Knobs - Thumb - Male With Cap Screw

10 Products in this selection
  • Four types and four colours.
  • Complete with high tensile alloy steel screw.
  • If stainless steel screws required please order cap screws separately and knobs without screw.
Additional resources:
Knobs PDF Quick Guide by Thread Size
Thumb Screws and Nuts PDF Quick Guide
Cap Screws
A more concise listing may be found on the Smallparts store at Knobs - Thumb - Male With Cap Screw. Smallparts promote the most popular MBA products.
Thread Size Head Diameter (A) Screw Length Colour Style Indicative
Image
Thread Size
4-40 UNC (2.85mm)
Head Diameter (A)
7.94
mm
Screw Length
6.4
mm
Colour
Black
Style
Knurled
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic with Insert
Material: Plastic with Insert   
Part Number: KM029C-008-0635-KNU-B Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic with Insert
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$0.50 AUD
$95.00 AUD $0.50 AUD
Each
Thread Size Head Diameter (A) Screw Length Colour Indicative
Image
Thread Size
4-40 UNC (2.85mm)
Head Diameter (A)
7.94
mm
Screw Length
6.4
mm
Colour
Black
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Part Number: KM029C-008-0635-KNU-B Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic with Insert
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$0.50 AUD
$95.00 AUD $0.50 AUD
Each
Thread Size
4-40 UNC (2.85mm)
Head Diameter (A)
7.94
mm
Screw Length
6.4
mm
Colour
Grey
Style
Knurled
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic
Material: Plastic   
Part Number: KM029C-008-0635-KNU-G (2 Pcs) Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic
1 pack (2 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$1.00 AUD
$1.90 AUD $1.00 AUD
Per 2
Thread Size
4-40 UNC (2.85mm)
Head Diameter (A)
7.94
mm
Screw Length
6.4
mm
Colour
Grey
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic
Material: Plastic    Style: Knurled   
Part Number: KM029C-008-0635-KNU-G (2 Pcs) Thumb Knobs - 4-40 UNC -2.85mm- 7.94x6.4 mm - Plastic
1 pack (2 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$1.00 AUD
$1.90 AUD $1.00 AUD
Per 2
Thread Size
4-40 UNC (2.85mm)
Head Diameter (A)
7.94
mm
Screw Length
12.7
mm
Colour
Black
Style
Knurled
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x12.7 mm - Plastic with Insert
Material: Plastic with Insert   
Part Number: KM029C-008-1270-KNU-B (4 Pcs) Thumb Knobs - 4-40 UNC -2.85mm- 7.94x12.7 mm - Plastic with Insert
1 pack (4 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$2.00 AUD
$3.80 AUD $2.00 AUD
Per 4
Thread Size
4-40 UNC (2.85mm)
Head Diameter (A)
7.94
mm
Screw Length
12.7
mm
Colour
Black
Thumb Knobs - 4-40 UNC -2.85mm- 7.94x12.7 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Part Number: KM029C-008-1270-KNU-B (4 Pcs) Thumb Knobs - 4-40 UNC -2.85mm- 7.94x12.7 mm - Plastic with Insert
1 pack (4 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$2.00 AUD
$3.80 AUD $2.00 AUD
Per 4
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
6.4
mm
Colour
Black
Style
Knurled
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
Material: Plastic with Insert   
Part Number: KM035C-010-0635-KNU-B (9 Pcs) Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
1 pack (9 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$4.50 AUD
$8.55 AUD $4.50 AUD
Per 9
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
6.4
mm
Colour
Black
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Part Number: KM035C-010-0635-KNU-B (9 Pcs) Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
1 pack (9 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$4.50 AUD
$8.55 AUD $4.50 AUD
Per 9
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
6.4
mm
Colour
Red
Style
Knurled
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
Material: Plastic with Insert   
Part Number: KM035C-010-0635-KNU-R (9 Pcs) Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
1 pack (9 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$4.50 AUD
$8.55 AUD $4.50 AUD
Per 9
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
6.4
mm
Colour
Red
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Part Number: KM035C-010-0635-KNU-R (9 Pcs) Thumb Knobs - 6-32 UNC -3.5mm- 9.53x6.4 mm - Plastic with Insert
1 pack (9 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$4.50 AUD
$8.55 AUD $4.50 AUD
Per 9
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
12.7
mm
Colour
Black
Style
Knurled
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert   
Part Number: KM035C-010-1270-KNU-B Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$0.50 AUD
$95.00 AUD $0.50 AUD
Each
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
12.7
mm
Colour
Black
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Part Number: KM035C-010-1270-KNU-B Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$0.50 AUD
$95.00 AUD $0.50 AUD
Each
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
12.7
mm
Colour
Red
Style
Knurled
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert   
Part Number: KM035C-010-1270-KNU-R Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$0.50 AUD
$95.00 AUD $0.50 AUD
Each
Thread Size
6-32 UNC (3.5mm)
Head Diameter (A)
9.53
mm
Screw Length
12.7
mm
Colour
Red
Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
Material: Plastic with Insert    Style: Knurled   
Part Number: KM035C-010-1270-KNU-R Thumb Knobs - 6-32 UNC -3.5mm- 9.53x12.7 mm - Plastic with Insert
1 Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$0.50 AUD
$95.00 AUD $0.50 AUD
Each
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
19.05
mm
Screw Length
38.1
mm
Colour
Grey
Style
Knurled
Thumb Knobs - 1/4-20 UNC -6.35mm- 19.05x38.1 mm - Plastic
Material: Plastic   
Part Number: KM064C-019-3810-KNU-G (6 Pcs) Thumb Knobs - 1/4-20 UNC -6.35mm- 19.05x38.1 mm - Plastic
1 pack (6 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$3.00 AUD
$5.70 AUD $3.00 AUD
Per 6
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
19.05
mm
Screw Length
38.1
mm
Colour
Grey
Thumb Knobs - 1/4-20 UNC -6.35mm- 19.05x38.1 mm - Plastic
Material: Plastic    Style: Knurled   
Part Number: KM064C-019-3810-KNU-G (6 Pcs) Thumb Knobs - 1/4-20 UNC -6.35mm- 19.05x38.1 mm - Plastic
1 pack (6 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$3.00 AUD
$5.70 AUD $3.00 AUD
Per 6
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
25.40
mm
Screw Length
38.1
mm
Colour
Grey
Style
Knurled
Thumb Knobs - 1/4-20 UNC -6.35mm- 25.4x38.1 mm - Plastic
Material: Plastic   
Part Number: KM064C-025-3810-KNU-G (10 Pcs) Thumb Knobs - 1/4-20 UNC -6.35mm- 25.4x38.1 mm - Plastic
1 pack (10 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$5.00 AUD
$9.50 AUD $5.00 AUD
Per 10
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
25.40
mm
Screw Length
38.1
mm
Colour
Grey
Thumb Knobs - 1/4-20 UNC -6.35mm- 25.4x38.1 mm - Plastic
Material: Plastic    Style: Knurled   
Part Number: KM064C-025-3810-KNU-G (10 Pcs) Thumb Knobs - 1/4-20 UNC -6.35mm- 25.4x38.1 mm - Plastic
1 pack (10 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$5.00 AUD
$9.50 AUD $5.00 AUD
Per 10
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
38.10
mm
Screw Length
38.1
mm
Colour
Grey
Style
Rosette
Thumb Knobs - 1/4-20 UNC -6.35mm- 38.1x38.1 mm - Plastic
Material: Plastic   
Part Number: KM064C-038-3810-ROS-G (5 Pcs) Thumb Knobs - 1/4-20 UNC -6.35mm- 38.1x38.1 mm - Plastic
1 pack (5 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Per 5
Thread Size
1/4-20 UNC (6.35mm)
Head Diameter (A)
38.10
mm
Screw Length
38.1
mm
Colour
Grey
Thumb Knobs - 1/4-20 UNC -6.35mm- 38.1x38.1 mm - Plastic
Material: Plastic    Style: Rosette   
Part Number: KM064C-038-3810-ROS-G (5 Pcs) Thumb Knobs - 1/4-20 UNC -6.35mm- 38.1x38.1 mm - Plastic
1 pack (5 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Per 5