Collection: Balls - Tooling

Balls -> Tooling

There are 10 products in the sub-categories of Balls - Tooling. Browse the Balls - Tooling products table. To narrow down the selection, please choose a sub-category from the links below.

Category Details

This category includes various types of tooling balls.
  • High quality tooling balls provide a precise reference point for critical machining operations.
  • Tooling balls, also known as tooling spheres or precision spheres, are precision components used in fixture design, tooling setup, and alignment applications.
  • Tooling balls are made of hardened steel or other materials with high wear resistance and precision-ground surfaces.
Balls - Tooling

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Balls - Tooling category on the MBA Minibearings main store.
Diameter (A) Shank Diameter (B) Base to Centre (C) Shoulder to Centre (D) Shoulder Diameter (E) Base Type Indicative
Image
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece
Part Number: BLTO-00635-CS-S2P (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A) Shank Diameter (B) Base to Centre (C) Shoulder to Centre (D) Indicative
Image
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece
Part Number: BLTO-00635-CS-S2P (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece
Part Number: BLTO-00635-CS-S2 (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.224
mm

(Equiv. 0.56 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.224 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece
Part Number: BLTO-00635-CS-S2 (Each)
Tooling Balls - 6.35x3.175x14.224 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $128.68 AUD
Regular price Sale price $128.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm

(Equiv. 0.563 in.)
Tooling Balls - 6.35x3.175x14.3 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-S440-1 (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $91.50 AUD
Regular price Sale price $91.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm

(Equiv. 0.563 in.)
Tooling Balls - 6.35x3.175x14.3 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-S440-1 (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $91.50 AUD
Regular price Sale price $91.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm

(Equiv. 0.563 in.)
Tooling Balls - 6.35x3.175x14.3 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-CS-1 (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $57.41 AUD
Regular price Sale price $57.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm

(Equiv. 0.563 in.)
Tooling Balls - 6.35x3.175x14.3 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-CS-1 (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $57.41 AUD
Regular price Sale price $57.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm

(Equiv. 0.563 in.)
Tooling Balls - 6.35x3.175x14.3 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-CS-1P (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $59.50 AUD
Regular price Sale price $59.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm

(Equiv. 0.563 in.)
Tooling Balls - 6.35x3.175x14.3 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-CS-1P (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $59.50 AUD
Regular price Sale price $59.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm
+/- 0.0051
(Equiv. 0.563 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.3 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-S440-1S (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $103.23 AUD
Regular price Sale price $103.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0102
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm
+/- 0.0051
(Equiv. 0.563 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.3 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-00635-S440-1S (Each)
Tooling Balls - 6.35x3.175x14.3 mm One Piece - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $103.23 AUD
Regular price Sale price $103.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm
+/- 0.0051
(Equiv. 0.563 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.3 mm - Carbon Steel
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 Mon, Dec 29, 2025
Regular price $105.59 AUD
Regular price Sale price $105.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Shank Diameter (B)
3.175
mm
+ 0.0000 / - 0.0076
(Equiv. 0.125 in.)
Base to Centre (C)
14.300
mm
+/- 0.0051
(Equiv. 0.563 in.)
Shoulder to Centre (D)
5.080
mm
Tooling Balls - 6.35x3.175x14.3 mm - Carbon Steel
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 Mon, Dec 29, 2025
Regular price $105.59 AUD
Regular price Sale price $105.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
12.000
mm
+/- 0.0051
(Equiv. 0.472 in.)
Shank Diameter (B)
6.000
mm
+/- 0.0051
(Equiv. 0.236 in.)
Base to Centre (C)
22.000
mm

(Equiv. 0.866 in.)
Shoulder to Centre (D)
12.000
mm
Shoulder Diameter (E)
12.500
mm
+/- 0.0051
Base Type
Solid
Tooling Balls - 12x6x22 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-01200-CS-C1 (Each)
Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $98.95 AUD
Regular price Sale price $98.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
12.000
mm
+/- 0.0051
(Equiv. 0.472 in.)
Shank Diameter (B)
6.000
mm
+/- 0.0051
(Equiv. 0.236 in.)
Base to Centre (C)
22.000
mm

(Equiv. 0.866 in.)
Shoulder to Centre (D)
12.000
mm
Tooling Balls - 12x6x22 mm - Carbon Steel
Material: Carbon Steel    Shoulder Diameter (E): 12.500 mm +/- 0.0051    Base Type: Solid   
Category: Balls - Tooling - One Piece
Part Number: BLTO-01200-CS-C1 (Each)
Tooling Balls - 12x6x22 mm One Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $98.95 AUD
Regular price Sale price $98.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
12.700
mm
+/- 0.0051
(Equiv. 0.5 in.)
Shank Diameter (B)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Base to Centre (C)
15.875
mm

(Equiv. 0.625 in.)
Shoulder to Centre (D)
7.938
mm
Base Type
6-32 UNC x 6.35
Tooling Balls - 12.7x6.35x15.875 mm - Carbon Steel
Material: Carbon Steel   
Category: Balls - Tooling - Two Piece
Part Number: BLTO-01270-CS-C2-A (Each)
Tooling Balls - 12.7x6.35x15.875 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $145.68 AUD
Regular price Sale price $145.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
12.700
mm
+/- 0.0051
(Equiv. 0.5 in.)
Shank Diameter (B)
6.350
mm
+/- 0.0051
(Equiv. 0.25 in.)
Base to Centre (C)
15.875
mm

(Equiv. 0.625 in.)
Shoulder to Centre (D)
7.938
mm
Tooling Balls - 12.7x6.35x15.875 mm - Carbon Steel
Material: Carbon Steel    Base Type: 6-32 UNC x 6.35   
Category: Balls - Tooling - Two Piece
Part Number: BLTO-01270-CS-C2-A (Each)
Tooling Balls - 12.7x6.35x15.875 mm Two Piece - Carbon Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $145.68 AUD
Regular price Sale price $145.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
19.050
mm
+/- 0.0051
(Equiv. 0.75 in.)
Shank Diameter (B)
9.525
mm
+ 0.0000 / - 0.0076
(Equiv. 0.375 in.)
Base to Centre (C)
31.750
mm
+/- 0.0051
(Equiv. 1.25 in.)
Shoulder to Centre (D)
12.700
mm
Tooling Balls - 19.05x9.525x31.75 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-01905-S440-1SP (Each)
Tooling Balls - 19.05x9.525x31.75 mm One Piece - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $82.05 AUD
Regular price Sale price $82.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (A)
19.050
mm
+/- 0.0051
(Equiv. 0.75 in.)
Shank Diameter (B)
9.525
mm
+ 0.0000 / - 0.0076
(Equiv. 0.375 in.)
Base to Centre (C)
31.750
mm
+/- 0.0051
(Equiv. 1.25 in.)
Shoulder to Centre (D)
12.700
mm
Tooling Balls - 19.05x9.525x31.75 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Tooling - One Piece
Part Number: BLTO-01905-S440-1SP (Each)
Tooling Balls - 19.05x9.525x31.75 mm One Piece - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
Regular price $82.05 AUD
Regular price Sale price $82.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.