Knobs - Thumb - Male With Cap Screw

7 Products in this selection

A selection of Male With Cap Screw Thumb Knobs. Four types and four colours.

  • An expanded range may be available on special order. Please enquire.
  • Complete with high tensile alloy steel screw.
  • If stainless steel screws required please order cap screws separately and knobs without screw.
Small Parts & Bearings

Additional resources:
Knobs PDF Quick Guide by Thread Size
Thumb Screws and Nuts PDF Quick Guide
Cap Screws

A more comprehensive listing may be found on the MBA Minibearings main store at Knobs - Thumb - Male With Cap Screw.
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 (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
$0.80 AUD
$1.52 AUD $0.80 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 (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
$0.80 AUD
$1.52 AUD $0.80 AUD
Each
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 (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
$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 (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
$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
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 (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
$0.80 AUD
$1.52 AUD $0.80 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 (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
$0.80 AUD
$1.52 AUD $0.80 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 (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
$0.80 AUD
$1.52 AUD $0.80 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 (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
$0.80 AUD
$1.52 AUD $0.80 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 (PK-6) Thumb Knobs - 1/4-20 UNC - 6.35mm - 19.05x38.1 mm Male With Cap Screw - Plastic Knob
1 pack (6 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. 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 (PK-6) Thumb Knobs - 1/4-20 UNC - 6.35mm - 19.05x38.1 mm Male With Cap Screw - Plastic Knob
1 pack (6 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. 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 (PK-10) Thumb Knobs - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Male With Cap Screw - Plastic Knob
1 pack (10 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. 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 (PK-10) Thumb Knobs - 1/4-20 UNC - 6.35mm - 25.4x38.1 mm Male With Cap Screw - Plastic Knob
1 pack (10 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. 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 (PK-5) Thumb Knobs - 1/4-20 UNC - 6.35mm - 38.1x38.1 mm Male With Cap Screw - Plastic 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
$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 (PK-5) Thumb Knobs - 1/4-20 UNC - 6.35mm - 38.1x38.1 mm Male With Cap Screw - Plastic 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
$8.00 AUD
$15.20 AUD $8.00 AUD
Per 5