Thumb Screw Knobs - Knurled

In stock

Knurled Style Thumb Screw Knobs can be press-fit onto screws to create a small knob for clamping or securing. These knobs can be used with any length screw and the knurled edge is easily gripped for tightening and loosening.

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Product SKUs information
Quick View Item code Price range Availability Head Height Knob Diameter Colour
29M400RBL
$0.3417 - $0.453 In production
0.22 in
0.5 in
Blue
29R004RD
$0.3076 - $0.4079 970 In stock
.172 in
.313 in
Red
29R010BL
$0.3419 - $0.9382 In production
.250 in
.656 in
Blue
29M400RB
$0.3419 - $0.4532 In production
0.22 in
0.5 in
Black
29M600RRD
$0.3417 - $0.9377 40 In stock
0.311 in
0.752 in
Red
29R006B
$0.3076 - $0.4079 1000 In stock
.203 in
.375 in
Black
29R010RD
$0.3419 - $0.9382 3500 In stock
.250 in
.656 in
Red
29M500RB
$0.3417 - $0.9377 3000 In stock
0.252 in
0.654 in
Black
29R008B
$0.3076 - $0.4079 In production
.219 in
.500 in
Black
29R006BL
$0.3076 - $0.4079 In production
.203 in
.375 in
Blue
29R008RD
$0.3076 - $0.4079 In production
.219 in
.500 in
Red
29R141B
$0.5124 - $1.4062 10500 In stock
.328 in
1.000 in
Black
29R004BL
$0.3076 - $0.4079 In production
.172 in
.313 in
Blue
29R010B
$0.3419 - $0.9382 5500 In stock
.250 in
.656 in
Black
29M500RRD
$0.3417 - $0.9377 In production
0.252 in
0.654 in
Red
29R141RD
$0.5124 - $1.4062 In production
.328 in
1.000 in
Red
29M400RRD
$0.3417 - $0.453 In production
0.22 in
0.5 in
Red
29M600RB
$0.3417 - $0.9377 In production
0.311 in
0.752 in
Black
29R141BL
$0.5124 - $1.4062 500 In stock
.328 in
1.000 in
Blue
29R516RD
$0.5124 - $1.4062 In production
.391 in
1.000 in
Red
29M500RBL
$0.3417 - $0.9377 In production
0.252 in
0.654 in
Blue
29R008BL
$0.3076 - $0.4079 In production
.219 in
.500 in
Blue
29R516B
$0.5124 - $1.4062 1000 In stock
.391 in
1.000 in
Black
29M600RBL
$0.3417 - $0.9377 In production
0.311 in
0.752 in
Blue
29R004B
$0.3076 - $0.4079 In production
.172 in
.313 in
Black
  • of 3
Thumb Screw Knob Compatible Screw Sizes - M4 Knob Diameter - 12.7 mm | 0.5 in

29M400RBL

Price Range
$0.453 - $0.3417

Stock Levels
In production
Attributes
  • Head Height
    0.22 in
  • Knob Diameter
    0.5 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #4 Knob Diameter - 8 mm | .313 in

29R004RD

Price Range
$0.4079 - $0.3076

Stock Levels
970 In stock
Attributes
  • Head Height
    .172 in
  • Knob Diameter
    .313 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #10 Knob Diameter - 16.7 mm | .656 in

29R010BL

Price Range
$0.9382 - $0.3419

Stock Levels
In production
Attributes
  • Head Height
    .250 in
  • Knob Diameter
    .656 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M4 Knob Diameter - 12.7 mm | 0.5 in

29M400RB

Price Range
$0.4532 - $0.3419

Stock Levels
In production
Attributes
  • Head Height
    0.22 in
  • Knob Diameter
    0.5 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M6 Knob Diameter - 19.1 mm | 0.752 in

29M600RRD

Price Range
$0.9377 - $0.3417

Stock Levels
40 In stock
Attributes
  • Head Height
    0.311 in
  • Knob Diameter
    0.752 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #6 Knob Diameter - 9.5 mm | .375 in

29R006B

Price Range
$0.4079 - $0.3076

Stock Levels
1000 In stock
Attributes
  • Head Height
    .203 in
  • Knob Diameter
    .375 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #10 Knob Diameter - 16.7 mm | .656 in

29R010RD

Price Range
$0.9382 - $0.3419

Stock Levels
3500 In stock
Attributes
  • Head Height
    .250 in
  • Knob Diameter
    .656 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M5 Knob Diameter - 16.6 mm | 0.654 in

29M500RB

Price Range
$0.9377 - $0.3417

Stock Levels
3000 In stock
Attributes
  • Head Height
    0.252 in
  • Knob Diameter
    0.654 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #8 Knob Diameter - 12.7 mm | .500 in

29R008B

Price Range
$0.4079 - $0.3076

Stock Levels
In production
Attributes
  • Head Height
    .219 in
  • Knob Diameter
    .500 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #6 Knob Diameter - 9.5 mm | .375 in

29R006BL

Price Range
$0.4079 - $0.3076

Stock Levels
In production
Attributes
  • Head Height
    .203 in
  • Knob Diameter
    .375 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #8 Knob Diameter - 12.7 mm | .500 in

29R008RD

Price Range
$0.4079 - $0.3076

Stock Levels
In production
Attributes
  • Head Height
    .219 in
  • Knob Diameter
    .500 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - 1/4 Knob Diameter - 25.4 mm | 1.000 in

29R141B

Price Range
$1.4062 - $0.5124

Stock Levels
10500 In stock
Attributes
  • Head Height
    .328 in
  • Knob Diameter
    1.000 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #4 Knob Diameter - 8 mm | .313 in

29R004BL

Price Range
$0.4079 - $0.3076

Stock Levels
In production
Attributes
  • Head Height
    .172 in
  • Knob Diameter
    .313 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #10 Knob Diameter - 16.7 mm | .656 in

29R010B

Price Range
$0.9382 - $0.3419

Stock Levels
5500 In stock
Attributes
  • Head Height
    .250 in
  • Knob Diameter
    .656 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M5 Knob Diameter - 16.6 mm | 0.654 in

29M500RRD

Price Range
$0.9377 - $0.3417

Stock Levels
In production
Attributes
  • Head Height
    0.252 in
  • Knob Diameter
    0.654 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - 1/4 Knob Diameter - 25.4 mm | 1.000 in

29R141RD

Price Range
$1.4062 - $0.5124

Stock Levels
In production
Attributes
  • Head Height
    .328 in
  • Knob Diameter
    1.000 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M4 Knob Diameter - 12.7 mm | 0.5 in

29M400RRD

Price Range
$0.453 - $0.3417

Stock Levels
In production
Attributes
  • Head Height
    0.22 in
  • Knob Diameter
    0.5 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M6 Knob Diameter - 19.1 mm | 0.752 in

29M600RB

Price Range
$0.9377 - $0.3417

Stock Levels
In production
Attributes
  • Head Height
    0.311 in
  • Knob Diameter
    0.752 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - 1/4 Knob Diameter - 25.4 mm | 1.000 in

29R141BL

Price Range
$1.4062 - $0.5124

Stock Levels
500 In stock
Attributes
  • Head Height
    .328 in
  • Knob Diameter
    1.000 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - 5/16 Knob Diameter - 25.4 mm | 1.000 in

29R516RD

Price Range
$1.4062 - $0.5124

Stock Levels
In production
Attributes
  • Head Height
    .391 in
  • Knob Diameter
    1.000 in
  • Colour
    Red
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M5 Knob Diameter - 16.6 mm | 0.654 in

29M500RBL

Price Range
$0.9377 - $0.3417

Stock Levels
In production
Attributes
  • Head Height
    0.252 in
  • Knob Diameter
    0.654 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #8 Knob Diameter - 12.7 mm | .500 in

29R008BL

Price Range
$0.4079 - $0.3076

Stock Levels
In production
Attributes
  • Head Height
    .219 in
  • Knob Diameter
    .500 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - 5/16 Knob Diameter - 25.4 mm | 1.000 in

29R516B

Price Range
$1.4062 - $0.5124

Stock Levels
1000 In stock
Attributes
  • Head Height
    .391 in
  • Knob Diameter
    1.000 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - M6 Knob Diameter - 19.1 mm | 0.752 in

29M600RBL

Price Range
$0.9377 - $0.3417

Stock Levels
In production
Attributes
  • Head Height
    0.311 in
  • Knob Diameter
    0.752 in
  • Colour
    Blue
  • Full Material
    Acetal
  • Knob Style
    Round
Thumb Screw Knob Compatible Screw Sizes - #4 Knob Diameter - 8 mm | .313 in

29R004B

Price Range
$0.4079 - $0.3076

Stock Levels
In production
Attributes
  • Head Height
    .172 in
  • Knob Diameter
    .313 in
  • Colour
    Black
  • Full Material
    Acetal
  • Knob Style
    Round

Product facets

Product Range Knobs, Handles, Grips & Levers

Product Set Clamping Knobs Knobs