Collection: Knobs

262 Products in this selection
Combined category including sub-categories of knobs. These include lobe, mushroom, star, round male soft, push pull, oval tapered press on phenolic, tri, lever, knurled, pointer, thumb, wing, ball, cross, cabinet hardware, and disc.
Small Parts & Bearings

Additional resources:
Knobs PDF Quick Guide by Thread Size

A more comprehensive listing may be found on the MBA Minibearings main store at Knobs.
Thread or Hole Size Ball Diameter (A) Thread Length Colour Style Indicative
Image
Thread or Hole Size
4-40 UNC (2.85mm)
Ball Diameter (A)
7.94
mm
Thread Length
6.4
Colour
Black
Style
Knurled
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic with Insert
Material: Plastic with Insert   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM029C-008-0635-KNU-B (Each) Thumb Knobs - 4-40 UNC - 2.85mm - 7.94x6.4 mm Male With Cap Screw - Plastic with Insert Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size Ball Diameter (A) Thread Length Colour Indicative
Image
Thread or Hole Size
4-40 UNC (2.85mm)
Ball Diameter (A)
7.94
mm
Thread Length
6.4
Colour
Black
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM029C-008-0635-KNU-B (Each) Thumb Knobs - 4-40 UNC - 2.85mm - 7.94x6.4 mm Male With Cap Screw - Plastic with Insert Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size
4-40 UNC (2.85mm)
Ball Diameter (A)
7.94
mm
Thread Length
12.7
Colour
Black
Style
Knurled
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x12.7 mm - Plastic with Insert
Material: Plastic with Insert   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM029C-008-1270-KNU-B (PK-4) Thumb Knobs - 4-40 UNC - 2.85mm - 7.94x12.7 mm Male With Cap Screw - Plastic with Insert Knob
1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.00 AUD
Regular price $3.80 AUD Sale price $2.00 AUD
Per 4
Thread or Hole Size
4-40 UNC (2.85mm)
Ball Diameter (A)
7.94
mm
Thread Length
12.7
Colour
Black
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x12.7 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM029C-008-1270-KNU-B (PK-4) Thumb Knobs - 4-40 UNC - 2.85mm - 7.94x12.7 mm Male With Cap Screw - Plastic with Insert Knob
1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.00 AUD
Regular price $3.80 AUD Sale price $2.00 AUD
Per 4
Thread or Hole Size
4-40, 4-56 (2.85mm) - Use Own Screw
Ball Diameter (A)
7.94
mm
Thread Length
4.4
Colour
Black
Style
Knurled
Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic
Material: Plastic   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM029-008-KNU-B (PK-10) Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic Knob
10 units (100 pcs) Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
4-40, 4-56 (2.85mm) - Use Own Screw
Ball Diameter (A)
7.94
mm
Thread Length
4.4
Colour
Black
Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic
Material: Plastic    Style: Knurled   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM029-008-KNU-B (PK-10) Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic Knob
10 units (100 pcs) Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
4-40, 4-56 (2.85mm) - Use Own Screw
Ball Diameter (A)
7.94
mm
Thread Length
4.4
Colour
Red
Style
Knurled
Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic
Material: Plastic   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM029-008-KNU-R (PK-10) Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic Knob
2 units (20 pcs) Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
4-40, 4-56 (2.85mm) - Use Own Screw
Ball Diameter (A)
7.94
mm
Thread Length
4.4
Colour
Red
Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic
Material: Plastic    Style: Knurled   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM029-008-KNU-R (PK-10) Thumb Knobs - 4-40, 4-56 - 2.85mm - - Use Own Screw 7.94x4.4 mm For Cap Screws - Plastic Knob
2 units (20 pcs) Available Now | Item Discontinued - Up to 2 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
6-32 UNC (3.5mm)
Ball Diameter (A)
9.53
mm
Thread Length
12.7
Colour
Black
Style
Knurled
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM035C-010-1270-KNU-B (Each) Thumb Knobs - 6-32 UNC - 3.5mm - 9.53x12.7 mm Male With Cap Screw - Plastic with Insert Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size
6-32 UNC (3.5mm)
Ball Diameter (A)
9.53
mm
Thread Length
12.7
Colour
Black
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM035C-010-1270-KNU-B (Each) Thumb Knobs - 6-32 UNC - 3.5mm - 9.53x12.7 mm Male With Cap Screw - Plastic with Insert Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size
6-32 UNC (3.5mm)
Ball Diameter (A)
9.53
mm
Thread Length
12.7
Colour
Red
Style
Knurled
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM035C-010-1270-KNU-R (Each) Thumb Knobs - 6-32 UNC - 3.5mm - 9.53x12.7 mm Male With Cap Screw - Plastic with Insert Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size
6-32 UNC (3.5mm)
Ball Diameter (A)
9.53
mm
Thread Length
12.7
Colour
Red
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Category: Knobs - Thumb - Male With Cap Screw
Part Number: KM035C-010-1270-KNU-R (Each) Thumb Knobs - 6-32 UNC - 3.5mm - 9.53x12.7 mm Male With Cap Screw - Plastic with Insert Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
12.00
mm
Thread Length
10.0
Knurled Knobs - M4 - 4x0.7mm - 12x10 mm Female - Phenolic Knob
Material: Phenolic   
Category: Knobs - Knurled - Female
Part Number: KF040M-012-KN-PH (Each) Knurled Knobs - M4 - 4x0.7mm - 12x10 mm Female - Phenolic Knob
Out of Stock | Backorder Now | More stock due: 10 around Fri, Aug 07, 2026 | Further orders can be expected around Mon, Jul 20, 2026
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
Each
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
12.00
mm
Thread Length
10.0
Knurled Knobs - M4 - 4x0.7mm - 12x10 mm Female - Phenolic Knob
Material: Phenolic   
Category: Knobs - Knurled - Female
Part Number: KF040M-012-KN-PH (Each) Knurled Knobs - M4 - 4x0.7mm - 12x10 mm Female - Phenolic Knob
Out of Stock | Backorder Now | More stock due: 10 around Fri, Aug 07, 2026 | Further orders can be expected around Mon, Jul 20, 2026
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
8.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x8 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC08 (PK-5) Knurled Knobs - M4 - 4x0.7mm - 13x8 mm Male - Polypropylene with Steel Shank Knob
40 units (200 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $3.32 AUD
Regular price $10.20 AUD Sale price $3.32 AUD
Per 5
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
8.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x8 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC08 (PK-5) Knurled Knobs - M4 - 4x0.7mm - 13x8 mm Male - Polypropylene with Steel Shank Knob
40 units (200 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $3.32 AUD
Regular price $10.20 AUD Sale price $3.32 AUD
Per 5
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
10.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x10 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC10 (Each) Knurled Knobs - M4 - 4x0.7mm - 13x10 mm Male - Polypropylene with Steel Shank Knob
3860 Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
10.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x10 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC10 (Each) Knurled Knobs - M4 - 4x0.7mm - 13x10 mm Male - Polypropylene with Steel Shank Knob
3860 Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
12.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x12 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC12 (PK-5) Knurled Knobs - M4 - 4x0.7mm - 13x12 mm Male - Polypropylene with Steel Shank Knob
40 units (200 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $3.59 AUD
Regular price $10.83 AUD Sale price $3.59 AUD
Per 5
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
12.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x12 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC12 (PK-5) Knurled Knobs - M4 - 4x0.7mm - 13x12 mm Male - Polypropylene with Steel Shank Knob
40 units (200 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $3.59 AUD
Regular price $10.83 AUD Sale price $3.59 AUD
Per 5
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
18.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x18 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC18 (PK-5) Knurled Knobs - M4 - 4x0.7mm - 13x18 mm Male - Polypropylene with Steel Shank Knob
38 units (190 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $3.59 AUD
Regular price $11.01 AUD Sale price $3.59 AUD
Per 5
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
13.00
mm
Thread Length
18.0
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 13x18 mm - Polypropylene with Steel Shank
Material: Polypropylene with Steel Shank   
Category: Knobs - Knurled - Male
Part Number: KM040M-013-KPC18 (PK-5) Knurled Knobs - M4 - 4x0.7mm - 13x18 mm Male - Polypropylene with Steel Shank Knob
38 units (190 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $3.59 AUD
Regular price $11.01 AUD Sale price $3.59 AUD
Per 5
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
15.00
mm
Thread Length
10.0
Knurled Knobs - M4 - 4x0.7mm - 15x10 mm Female - Phenolic Knob
Material: Phenolic   
Category: Knobs - Knurled - Female
Part Number: KF040M-015-KN-PH (Each) Knurled Knobs - M4 - 4x0.7mm - 15x10 mm Female - Phenolic Knob
3 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $2.32 AUD
Regular price $2.78 AUD Sale price $2.32 AUD
Each
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
15.00
mm
Thread Length
10.0
Knurled Knobs - M4 - 4x0.7mm - 15x10 mm Female - Phenolic Knob
Material: Phenolic   
Category: Knobs - Knurled - Female
Part Number: KF040M-015-KN-PH (Each) Knurled Knobs - M4 - 4x0.7mm - 15x10 mm Female - Phenolic Knob
3 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $2.32 AUD
Regular price $2.78 AUD Sale price $2.32 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
15.500
mm
Thread Length
7.000
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 15.5x7 mm - Phenolic
Material: Phenolic   
Category: Knobs - Knurled - Female
Part Number: KF040M-016-KN-PH (PK-5) Knurled Knobs - M4 - 4x0.7mm - 15.5x7 mm Female - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
Regular price $10.95 AUD
Regular price Sale price $10.95 AUD
Per 5
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
15.500
mm
Thread Length
7.000
Colour
Black
Knurled Knobs - M4 -4x0.7mm- 15.5x7 mm - Phenolic
Material: Phenolic   
Category: Knobs - Knurled - Female
Part Number: KF040M-016-KN-PH (PK-5) Knurled Knobs - M4 - 4x0.7mm - 15.5x7 mm Female - Phenolic Knob
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
Regular price $10.95 AUD
Regular price Sale price $10.95 AUD
Per 5
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
16.00
mm
Thread Length
7.0
Ball Knobs - M4 -4x0.7mm- 16x7 mm - Thermoplastic
Material: Thermoplastic   
Category: Knobs - Ball - Female Threaded
Part Number: KF040M-016-TTPL-TT (Each) Ball Knobs - M4 - 4x0.7mm - 16x7 mm Female Threaded - Thermoplastic Knob
2 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
16.00
mm
Thread Length
7.0
Ball Knobs - M4 -4x0.7mm- 16x7 mm - Thermoplastic
Material: Thermoplastic   
Category: Knobs - Ball - Female Threaded
Part Number: KF040M-016-TTPL-TT (Each) Ball Knobs - M4 - 4x0.7mm - 16x7 mm Female Threaded - Thermoplastic Knob
2 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
16.00
mm
Thread Length
7.2
Ball Knobs - M4 -4x0.7mm- 16x7.2 mm - Stainless Steel
Material: Stainless Steel   
Category: Knobs - Ball - Female Threaded
Part Number: KF040M-016-T303 (Each) Ball Knobs - M4 - 4x0.7mm - 16x7.2 mm Female Threaded - Stainless Steel Knob
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 20, 2026
Regular price $44.32 AUD
Regular price Sale price $44.32 AUD
Each
Thread or Hole Size
M4 (4x0.7mm)
Ball Diameter (A)
16.00
mm
Thread Length
7.2
Ball Knobs - M4 -4x0.7mm- 16x7.2 mm - Stainless Steel
Material: Stainless Steel   
Category: Knobs - Ball - Female Threaded
Part Number: KF040M-016-T303 (Each) Ball Knobs - M4 - 4x0.7mm - 16x7.2 mm Female Threaded - Stainless Steel Knob
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 20, 2026
Regular price $44.32 AUD
Regular price Sale price $44.32 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
M4 (4.00mm) - Use Own Screw
Ball Diameter (A)
16.00
mm
Thread Length
6.5
Colour
Black
Style
Knurled
Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic
Material: Plastic   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM050M-016-KNU-B (PK-10) Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic Knob
4 units (40 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
M4 (4.00mm) - Use Own Screw
Ball Diameter (A)
16.00
mm
Thread Length
6.5
Colour
Black
Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic
Material: Plastic    Style: Knurled   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM050M-016-KNU-B (PK-10) Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic Knob
4 units (40 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
M4 (4.00mm) - Use Own Screw
Ball Diameter (A)
16.00
mm
Thread Length
6.5
Colour
Red
Style
Knurled
Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic
Material: Plastic   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM050M-016-KNU-R (Each) Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size
M4 (4.00mm) - Use Own Screw
Ball Diameter (A)
16.00
mm
Thread Length
6.5
Colour
Red
Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic
Material: Plastic    Style: Knurled   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM050M-016-KNU-R (Each) Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic Knob
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $0.80 AUD
Regular price $1.52 AUD Sale price $0.80 AUD
Each
Thread or Hole Size
M4 (4.00mm) - Use Own Screw
Ball Diameter (A)
16.00
mm
Thread Length
6.5
Colour
Yellow
Style
Knurled
Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic
Material: Plastic   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM050M-016-KNU-Y (PK-10) Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic Knob
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
M4 (4.00mm) - Use Own Screw
Ball Diameter (A)
16.00
mm
Thread Length
6.5
Colour
Yellow
Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic
Material: Plastic    Style: Knurled   
Category: Knobs - Thumb - For Cap Screws
Part Number: KM050M-016-KNU-Y (PK-10) Thumb Knobs - M4 - 4.00mm - - Use Own Screw 16x6.5 mm For Cap Screws - Plastic Knob
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread or Hole Size
4.00 mm Push On
Ball Diameter (A)
16.00
mm
Colour
Black
Ball Knobs - 4.00 mm Push On 16 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF040-016-KOPH (PK-5) Ball Knobs - 4.00 mm Push On 16 mm - - Knock On Phenolic - Phenolic Knob
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 5
Thread or Hole Size
4.00 mm Push On
Ball Diameter (A)
16.00
mm
Colour
Black
Ball Knobs - 4.00 mm Push On 16 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF040-016-KOPH (PK-5) Ball Knobs - 4.00 mm Push On 16 mm - - Knock On Phenolic - Phenolic Knob
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 5
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
15.88
mm
Ball Knobs - 8-32 UNC -4.17mm- 15.88  - Aluminium
Material: Aluminium   
Category: Knobs - Ball - Female Threaded
Part Number: KF042C-016-TPAL (Each) Ball Knobs - 8-32 UNC - 4.17mm - 15.88 - - Female Threaded - Aluminium Knob
1 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $17.86 AUD
Regular price $33.60 AUD Sale price $17.86 AUD
Each
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
15.88
mm
Ball Knobs - 8-32 UNC -4.17mm- 15.88  - Aluminium
Material: Aluminium   
Category: Knobs - Ball - Female Threaded
Part Number: KF042C-016-TPAL (Each) Ball Knobs - 8-32 UNC - 4.17mm - 15.88 - - Female Threaded - Aluminium Knob
1 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $17.86 AUD
Regular price $33.60 AUD Sale price $17.86 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
16.89
mm
Thread Length
6.4
Ball Knobs - 8-32 UNC -4.17mm- 16.89x6.4 mm - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF042-017-TPHS (Each) Ball Knobs - 8-32 UNC - 4.17mm - 16.89x6.4 mm Female Threaded - Phenolic Knob
1 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $2.14 AUD
Regular price $3.72 AUD Sale price $2.14 AUD
Each
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
16.89
mm
Thread Length
6.4
Ball Knobs - 8-32 UNC -4.17mm- 16.89x6.4 mm - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF042-017-TPHS (Each) Ball Knobs - 8-32 UNC - 4.17mm - 16.89x6.4 mm Female Threaded - Phenolic Knob
1 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $2.14 AUD
Regular price $3.72 AUD Sale price $2.14 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
19.05
mm
Colour
Black
Ball Knobs - 8-32 UNC -4.17mm- 19.05 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF042C-019-TPH-IN (Each) Ball Knobs - 8-32 UNC - 4.17mm - 19.05 - - Female Threaded - Phenolic Knob
9 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $11.77 AUD
Regular price Sale price $11.77 AUD
Each
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
19.05
mm
Colour
Black
Ball Knobs - 8-32 UNC -4.17mm- 19.05 - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Female Threaded
Part Number: KF042C-019-TPH-IN (Each) Ball Knobs - 8-32 UNC - 4.17mm - 19.05 - - Female Threaded - Phenolic Knob
9 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $11.77 AUD
Regular price Sale price $11.77 AUD
Each
View the product page first if you are unsure.
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
31.80
mm
Thread Length
25.4
Colour
Bright Chrome
Style
Classic
Cabinet Hardware Knobs - 8-32 UNC -4.17mm- 31.8x25.4 mm - Bright Chrome Finish
Material: Bright Chrome Finish   
Category:
Part Number: KF042C-032-CAB-CH (Each) Cabinet Hardware Knobs - 8-32 UNC - 4.17mm - 31.8x25.4 mm - Bright Chrome Finish Knob
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Thread or Hole Size
8-32 UNC (4.17mm)
Ball Diameter (A)
31.80
mm
Thread Length
25.4
Colour
Bright Chrome
Cabinet Hardware Knobs - 8-32 UNC -4.17mm- 31.8x25.4 mm - Bright Chrome Finish
Material: Bright Chrome Finish    Style: Classic   
Category:
Part Number: KF042C-032-CAB-CH (Each) Cabinet Hardware Knobs - 8-32 UNC - 4.17mm - 31.8x25.4 mm - Bright Chrome Finish Knob
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Thread or Hole Size
4.76 mm Push On
Ball Diameter (A)
19.05
mm
Colour
Black
Ball Knobs - 4.76 mm Push On 19.05 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF048-019-KOPH (Each) Ball Knobs - 4.76 mm Push On 19.05 mm - - Knock On Phenolic - Phenolic Knob
8 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $5.59 AUD
Regular price $6.71 AUD Sale price $5.59 AUD
Each
Thread or Hole Size
4.76 mm Push On
Ball Diameter (A)
19.05
mm
Colour
Black
Ball Knobs - 4.76 mm Push On 19.05 mm - - - Phenolic
Material: Phenolic   
Category: Knobs - Ball - Knock On Phenolic
Part Number: KF048-019-KOPH (Each) Ball Knobs - 4.76 mm Push On 19.05 mm - - Knock On Phenolic - Phenolic Knob
8 Available Now | Further orders can be expected around Mon, Jul 20, 2026
Regular price $5.59 AUD
Regular price $6.71 AUD Sale price $5.59 AUD
Each
View the product page first if you are unsure.