Collection: Balls

304 Products in this selection
Combined category including sub-categories of balls. These include rubber, metallic, plastic, bored, inspection, glass, ceramic, tooling, fixture, and checking.
Small Parts & Bearings

Additional resources:
Balls Master Catalogue PDF
AFBMA and ISO Ball Grades

A more comprehensive listing may be found on the MBA Minibearings main store at Balls.
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Diameter (D)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Material
3.175

+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Precision
14.300

+/- 0.0051
(Equiv. 0.563 in.)
Hardness
5.080
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Material: Carbon Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-CS-1SP (Each) Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Jul 26, 2026
Regular price $105.59 AUD
Regular price Sale price $105.59 AUD
Each
Diameter (D) Material Precision Hardness Indicative
Image
Diameter (D)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Material
3.175

+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Precision
14.300

+/- 0.0051
(Equiv. 0.563 in.)
Hardness
5.080
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Material: Carbon Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-CS-1SP (Each) Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Jul 26, 2026
Regular price $105.59 AUD
Regular price Sale price $105.59 AUD
Each
View the product page first if you are unsure.
Diameter (D)
6.350
mm
+/- 0.01270
(Equiv. 0.25 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 6.35 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00635-S4-G100 (PK-100) Metallic Balls - 6.35 mm 304 Stainless - ISO 3290 Grade 100 Ball
91 units (9100 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $10.32 AUD
Regular price Sale price $10.32 AUD
Per 100
Diameter (D)
6.350
mm
+/- 0.01270
(Equiv. 0.25 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 6.35 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00635-S4-G100 (PK-100) Metallic Balls - 6.35 mm 304 Stainless - ISO 3290 Grade 100 Ball
91 units (9100 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $10.32 AUD
Regular price Sale price $10.32 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
6.350
mm
+/- 0.01270
(Equiv. 0.25 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 6.35 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00635-S6-G100 (PK-100) Metallic Balls - 6.35 mm 316 Stainless - ISO 3290 Grade 100 Ball
53 units (5300 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Per 100
Diameter (D)
6.350
mm
+/- 0.01270
(Equiv. 0.25 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 6.35 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00635-S6-G100 (PK-100) Metallic Balls - 6.35 mm 316 Stainless - ISO 3290 Grade 100 Ball
53 units (5300 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
6.350
mm
+/- 0.00254
(Equiv. 0.25 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 6.35 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00635-S440-G28 (PK-100) Metallic Balls - 6.35 mm 440C Stainless - ISO 3290 Grade 28 Ball
26 units (2600 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $22.32 AUD
Regular price Sale price $22.32 AUD
Per 100
Diameter (D)
6.350
mm
+/- 0.00254
(Equiv. 0.25 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Metallic Balls - 6.35 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00635-S440-G28 (PK-100) Metallic Balls - 6.35 mm 440C Stainless - ISO 3290 Grade 28 Ball
26 units (2600 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $22.32 AUD
Regular price Sale price $22.32 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
6.350
mm
+/- 0.1270
(Equiv. 0.25 in.)
Material
Brass
Precision
AFBMA Grade 500
Hardness
60-70 Rockwell B
Properties
Good corrosion resistance, widely used as an electrical conductor
Colour
Brass
Metallic Balls - 6.35 mm Brass - AFBMA Grade 500 Ball
Material: Brass    Specific Gravity: 8.40   
Category: Balls - Metallic - Brass
Part Number: BL-00635-BR-G500 (PK-10) Metallic Balls - 6.35 mm Brass - AFBMA Grade 500 Ball
44 units (440 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.77 AUD
Regular price Sale price $3.77 AUD
Per 10
Diameter (D)
6.350
mm
+/- 0.1270
(Equiv. 0.25 in.)
Material
Brass
Precision
AFBMA Grade 500
Hardness
60-70 Rockwell B
Metallic Balls - 6.35 mm Brass - AFBMA Grade 500 Ball
Material: Brass    Properties: Good corrosion resistance, widely used as an electrical conductor    Colour: Brass    Specific Gravity: 8.40   
Category: Balls - Metallic - Brass
Part Number: BL-00635-BR-G500 (PK-10) Metallic Balls - 6.35 mm Brass - AFBMA Grade 500 Ball
44 units (440 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.77 AUD
Regular price Sale price $3.77 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
7.000
mm
+/- 0.005080
(Equiv. 0.276 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 40
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 7 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00700-CH-G40 (PK-100) Metallic Balls - 7 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
10 units (1000 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $12.14 AUD
Regular price Sale price $12.14 AUD
Per 100
Diameter (D)
7.000
mm
+/- 0.005080
(Equiv. 0.276 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 40
Hardness
60-70 Rockwell C
Metallic Balls - 7 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00700-CH-G40 (PK-100) Metallic Balls - 7 mm SAE52100 Chrome - ISO 3290 Grade 40 Ball
10 units (1000 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $12.14 AUD
Regular price Sale price $12.14 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
7.144
mm
+/- 0.00254
(Equiv. 0.281 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 7.144 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00714-CH-G28 (PK-100) Metallic Balls - 7.144 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
74 units (7400 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $8.23 AUD
Regular price Sale price $8.23 AUD
Per 100
Diameter (D)
7.144
mm
+/- 0.00254
(Equiv. 0.281 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Metallic Balls - 7.144 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00714-CH-G28 (PK-100) Metallic Balls - 7.144 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
74 units (7400 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $8.23 AUD
Regular price Sale price $8.23 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
7.144
mm
+/- 0.01270
(Equiv. 0.281 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 7.144 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00714-S4-G100 (PK-20) Metallic Balls - 7.144 mm 304 Stainless - ISO 3290 Grade 100 Ball
792 units (15840 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Per 20
Diameter (D)
7.144
mm
+/- 0.01270
(Equiv. 0.281 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 7.144 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00714-S4-G100 (PK-20) Metallic Balls - 7.144 mm 304 Stainless - ISO 3290 Grade 100 Ball
792 units (15840 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
7.144
mm
+/- 0.00254
(Equiv. 0.281 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 7.144 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00714-S440-G28 (PK-10) Metallic Balls - 7.144 mm 440C Stainless - ISO 3290 Grade 28 Ball
840 units (8400 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $1.59 AUD
Regular price $4.40 AUD Sale price $1.59 AUD
Per 10
Diameter (D)
7.144
mm
+/- 0.00254
(Equiv. 0.281 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Metallic Balls - 7.144 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00714-S440-G28 (PK-10) Metallic Balls - 7.144 mm 440C Stainless - ISO 3290 Grade 28 Ball
840 units (8400 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $1.59 AUD
Regular price $4.40 AUD Sale price $1.59 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
Si3N4
Precision
AFBMA Grade 25
Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 7.938 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Material: Si3N4    Specific Gravity: 3.29   
Category: Balls - Ceramic - Silicon Nitride
Part Number: BL-00794-SN-G25 (Each) Ceramic Balls - 7.938 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
205 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
Si3N4
Precision
AFBMA Grade 25
Hardness
1580 kg/mm.sq
Ceramic Balls - 7.938 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29   
Category: Balls - Ceramic - Silicon Nitride
Part Number: BL-00794-SN-G25 (Each) Ceramic Balls - 7.938 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
205 Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $4.59 AUD
Regular price Sale price $4.59 AUD
Each
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.1270
(Equiv. 0.313 in.)
Material
Copper
Precision
AFBMA Grade 500
Hardness
51 Rockwell B
Properties
Good corrosion resistance, widely used as an electrical conductor
Colour
Copper
Metallic Balls - 7.938 mm Copper - AFBMA Grade 500 Ball
Material: Copper    Specific Gravity: 8.95   
Category: Balls - Metallic - Copper
Part Number: BL-00794-COP-G500 (PK-10) Metallic Balls - 7.938 mm Copper - AFBMA Grade 500 Ball
9 units (90 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Per 10
Diameter (D)
7.938
mm
+/- 0.1270
(Equiv. 0.313 in.)
Material
Copper
Precision
AFBMA Grade 500
Hardness
51 Rockwell B
Metallic Balls - 7.938 mm Copper - AFBMA Grade 500 Ball
Material: Copper    Properties: Good corrosion resistance, widely used as an electrical conductor    Colour: Copper    Specific Gravity: 8.95   
Category: Balls - Metallic - Copper
Part Number: BL-00794-COP-G500 (PK-10) Metallic Balls - 7.938 mm Copper - AFBMA Grade 500 Ball
9 units (90 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
Synthetic Sapphire
Precision
AFBMA Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 7.938 mm Synthetic Sapphire - AFBMA Grade 25 Ball
Material: Synthetic Sapphire    Specific Gravity: 3.98   
Category: Balls - Ceramic - Synthetic
Part Number: BL-00794-SP-G25 (Each) Ceramic Balls - 7.938 mm Synthetic Sapphire - AFBMA Grade 25 Ball
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $50.50 AUD
Regular price $60.60 AUD Sale price $50.50 AUD
Each
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
Synthetic Sapphire
Precision
AFBMA Grade 25
Hardness
9 Mohs
Ceramic Balls - 7.938 mm Synthetic Sapphire - AFBMA Grade 25 Ball
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98   
Category: Balls - Ceramic - Synthetic
Part Number: BL-00794-SP-G25 (Each) Ceramic Balls - 7.938 mm Synthetic Sapphire - AFBMA Grade 25 Ball
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $50.50 AUD
Regular price $60.60 AUD Sale price $50.50 AUD
Each
Diameter (D)
7.938
mm
+/- 0.1270
(Equiv. 0.313 in.)
Material
Phosphor Bronze
Precision
AFBMA Grade 1000
Hardness
75-98 Rockwell B
Properties
Good corrosion resistance, widely used as an electrical conductor
Colour
Bronze
Metallic Balls - 7.938 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Material: Phosphor Bronze    Specific Gravity: 8.4   
Category: Balls - Metallic - Phosphor Bronze
Part Number: BL-00794-PB-G1000 (PK-10) Metallic Balls - 7.938 mm Phosphor Bronze - AFBMA Grade 1000 Ball
90 units (900 pcs) Available Now | Further orders can be expected around Wed, Sep 16, 2026
Regular price $23.77 AUD
Regular price Sale price $23.77 AUD
Per 10
Diameter (D)
7.938
mm
+/- 0.1270
(Equiv. 0.313 in.)
Material
Phosphor Bronze
Precision
AFBMA Grade 1000
Hardness
75-98 Rockwell B
Metallic Balls - 7.938 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Material: Phosphor Bronze    Properties: Good corrosion resistance, widely used as an electrical conductor    Colour: Bronze    Specific Gravity: 8.4   
Category: Balls - Metallic - Phosphor Bronze
Part Number: BL-00794-PB-G1000 (PK-10) Metallic Balls - 7.938 mm Phosphor Bronze - AFBMA Grade 1000 Ball
90 units (900 pcs) Available Now | Further orders can be expected around Wed, Sep 16, 2026
Regular price $23.77 AUD
Regular price Sale price $23.77 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.01270
(Equiv. 0.313 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 7.938 mm 304 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00794-S4-G200 (PK-20) Metallic Balls - 7.938 mm 304 Stainless - ISO 3290 Grade 200 Ball
318 units (6360 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Per 20
Diameter (D)
7.938
mm
+/- 0.01270
(Equiv. 0.313 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 7.938 mm 304 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00794-S4-G200 (PK-20) Metallic Balls - 7.938 mm 304 Stainless - ISO 3290 Grade 200 Ball
318 units (6360 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.01270
(Equiv. 0.313 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 7.938 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00794-S6-G200 (PK-20) Metallic Balls - 7.938 mm 316 Stainless - ISO 3290 Grade 200 Ball
44 units (880 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Per 20
Diameter (D)
7.938
mm
+/- 0.01270
(Equiv. 0.313 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 7.938 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00794-S6-G200 (PK-20) Metallic Balls - 7.938 mm 316 Stainless - ISO 3290 Grade 200 Ball
44 units (880 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.32 AUD
Regular price Sale price $3.32 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 7.938 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00794-S440-G28 (PK-20) Metallic Balls - 7.938 mm 440C Stainless - ISO 3290 Grade 28 Ball
341 units (6820 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $10.77 AUD
Regular price Sale price $10.77 AUD
Per 20
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Metallic Balls - 7.938 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00794-S440-G28 (PK-20) Metallic Balls - 7.938 mm 440C Stainless - ISO 3290 Grade 28 Ball
341 units (6820 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $10.77 AUD
Regular price Sale price $10.77 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
7.938
mm
+/- 0.1270
(Equiv. 0.313 in.)
Material
Brass
Precision
AFBMA Grade 500
Hardness
60-70 Rockwell B
Properties
Good corrosion resistance, widely used as an electrical conductor
Colour
Brass
Metallic Balls - 7.938 mm Brass - AFBMA Grade 500 Ball
Material: Brass    Specific Gravity: 8.40   
Category: Balls - Metallic - Brass
Part Number: BL-00794-BR-G500 (PK-10) Metallic Balls - 7.938 mm Brass - AFBMA Grade 500 Ball
59 units (590 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Per 10
Diameter (D)
7.938
mm
+/- 0.1270
(Equiv. 0.313 in.)
Material
Brass
Precision
AFBMA Grade 500
Hardness
60-70 Rockwell B
Metallic Balls - 7.938 mm Brass - AFBMA Grade 500 Ball
Material: Brass    Properties: Good corrosion resistance, widely used as an electrical conductor    Colour: Brass    Specific Gravity: 8.40   
Category: Balls - Metallic - Brass
Part Number: BL-00794-BR-G500 (PK-10) Metallic Balls - 7.938 mm Brass - AFBMA Grade 500 Ball
59 units (590 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Acetal
Precision
Grade 2
Hardness
118 Rockwell R
Properties
High intensity strength, rigidity, outstanding resistance to abrasion and most solvents.
Colour
Off White
Plastic Balls - 7.94 mm Acetal - Grade 2 Ball
Material: Acetal    Specific Gravity: 1.4   
Category: Balls - Plastic - Acetal
Part Number: BL-00794-AC (PK-20) Plastic Balls - 7.94 mm Acetal - Grade 2 Ball
47 units (940 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Per 20
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Acetal
Precision
Grade 2
Hardness
118 Rockwell R
Plastic Balls - 7.94 mm Acetal - Grade 2 Ball
Material: Acetal    Properties: High intensity strength, rigidity, outstanding resistance to abrasion and most solvents.    Colour: Off White    Specific Gravity: 1.4   
Category: Balls - Plastic - Acetal
Part Number: BL-00794-AC (PK-20) Plastic Balls - 7.94 mm Acetal - Grade 2 Ball
47 units (940 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Acrylic
Precision
Grade 3
Hardness
132 Rockwell R
Properties
Resistance to weather and sunlight
Colour
Water clear transparent
Plastic Balls - 7.94 mm Acrylic - Grade 3 Ball
Material: Acrylic    Specific Gravity: 1.19   
Category: Balls - Plastic - Acrylic
Part Number: BL-00794-ACR (PK-10) Plastic Balls - 7.94 mm Acrylic - Grade 3 Ball
43 units (430 pcs) Available Now | Item Discontinued - Up to 43 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $1.54 AUD
Regular price $6.88 AUD Sale price $1.54 AUD
Per 10
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Acrylic
Precision
Grade 3
Hardness
132 Rockwell R
Plastic Balls - 7.94 mm Acrylic - Grade 3 Ball
Material: Acrylic    Properties: Resistance to weather and sunlight    Colour: Water clear transparent    Specific Gravity: 1.19   
Category: Balls - Plastic - Acrylic
Part Number: BL-00794-ACR (PK-10) Plastic Balls - 7.94 mm Acrylic - Grade 3 Ball
43 units (430 pcs) Available Now | Item Discontinued - Up to 43 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $1.54 AUD
Regular price $6.88 AUD Sale price $1.54 AUD
Per 10
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Nylon (Polyamide 6/6)
Precision
Grade 2
Hardness
108 Rockwell R
Properties
Resists alkalies, weak acids and most organic solvents.
Colour
Off White
Plastic Balls - 7.94 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
Material: Nylon (Polyamide 6/6)    Specific Gravity: 1.14   
Category: Balls - Plastic - Nylon
Part Number: BL-00794-NY (PK-5) Plastic Balls - 7.94 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
64 units (320 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Per 5
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Nylon (Polyamide 6/6)
Precision
Grade 2
Hardness
108 Rockwell R
Plastic Balls - 7.94 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
Material: Nylon (Polyamide 6/6)    Properties: Resists alkalies, weak acids and most organic solvents.    Colour: Off White    Specific Gravity: 1.14   
Category: Balls - Plastic - Nylon
Part Number: BL-00794-NY (PK-5) Plastic Balls - 7.94 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
64 units (320 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Torlon (Polyamide-imide)
Precision
Grade II
Hardness
Rockwell E86 or M109-119
Properties
High resistance to heat, high strength, dimensional stability and impact resistance.
Colour
Green-Brown
Plastic Balls - 7.94 mm Torlon - Polyamide-imide - - Grade II Ball
Material: Torlon (Polyamide-imide)    Specific Gravity: 1.38   
Category: Balls - Plastic - Torlon
Part Number: BL-00794-TO (Each) Plastic Balls - 7.94 mm Torlon - Polyamide-imide - - Grade II Ball
34 Available Now | Further orders can be expected around Tue, Aug 11, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Each
Diameter (D)
7.94
mm
+/- 0.051
(Equiv. 0.313 in.)
Material
Torlon (Polyamide-imide)
Precision
Grade II
Hardness
Rockwell E86 or M109-119
Plastic Balls - 7.94 mm Torlon - Polyamide-imide - - Grade II Ball
Material: Torlon (Polyamide-imide)    Properties: High resistance to heat, high strength, dimensional stability and impact resistance.    Colour: Green-Brown    Specific Gravity: 1.38   
Category: Balls - Plastic - Torlon
Part Number: BL-00794-TO (Each) Plastic Balls - 7.94 mm Torlon - Polyamide-imide - - Grade II Ball
34 Available Now | Further orders can be expected around Tue, Aug 11, 2026
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Each
View the product page first if you are unsure.
Diameter (D)
8.000
mm
+/- 0.01270
(Equiv. 0.315 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Titanium Ti-Gr23 - 6Al4V-ELI   
Category: Balls - Metallic - Titanium Alloy
Part Number: BLT-00800-T23-12 (Each) Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
80 Available Now | Item Discontinued - Up to 80 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $1.70 AUD
Regular price $2.04 AUD Sale price $1.70 AUD
Each
Diameter (D)
8.000
mm
+/- 0.01270
(Equiv. 0.315 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Titanium Ti-Gr23 - 6Al4V-ELI    Properties: Implant Grade Titanium    Colour: Silver   
Category: Balls - Metallic - Titanium Alloy
Part Number: BLT-00800-T23-12 (Each) Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
80 Available Now | Item Discontinued - Up to 80 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $1.70 AUD
Regular price $2.04 AUD Sale price $1.70 AUD
Each
Diameter (D)
8.000
mm
+/- 0.01270
(Equiv. 0.315 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Titanium Ti-Gr23 - 6Al4V-ELI   
Category: Balls - Metallic - Titanium Alloy
Part Number: BLT-00800-T23-16 (Each) Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
9 Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.86 AUD
Regular price $1.53 AUD Sale price $0.86 AUD
Each
Diameter (D)
8.000
mm
+/- 0.01270
(Equiv. 0.315 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Titanium Ti-Gr23 - 6Al4V-ELI    Properties: Implant Grade Titanium    Colour: Silver   
Category: Balls - Metallic - Titanium Alloy
Part Number: BLT-00800-T23-16 (Each) Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
9 Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.86 AUD
Regular price $1.53 AUD Sale price $0.86 AUD
Each
Diameter (D)
8.000
mm
+/- 0.01270
(Equiv. 0.315 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Ti-Gr23/Ti-6AL4V-ELI   
Category: Balls - Metallic - Titanium Alloy
Part Number: BL-00800-T23-G100 (PK-10) Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
3 units (30 pcs) Available Now | Further orders can be expected around Sat, Aug 29, 2026
Regular price $17.50 AUD
Regular price Sale price $17.50 AUD
Per 10
Diameter (D)
8.000
mm
+/- 0.01270
(Equiv. 0.315 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Ti-Gr23/Ti-6AL4V-ELI    Properties: Implant Grade Titanium    Colour: Silver   
Category: Balls - Metallic - Titanium Alloy
Part Number: BL-00800-T23-G100 (PK-10) Metallic Balls - 8 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
3 units (30 pcs) Available Now | Further orders can be expected around Sat, Aug 29, 2026
Regular price $17.50 AUD
Regular price Sale price $17.50 AUD
Per 10
View the product page first if you are unsure.