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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 Knob Diameter Compatible Screw SizeTEST Colour Type Compatible Screw Sizes Base Diameter
TSK285A
6.88 RM - 13.3407 RM In production
25.4 mm
Black
Knurled
25.4 mm
TSK255A
5.114 RM - 9.9163 RM In production
16.6 mm
Black
Knurled
16.6 mm
TSK395A
1.9203 RM - 3.7236 RM In production
16.6 mm
Black
Thumb Screw Knobs
16.6 mm
TSK390A
1.9208 RM - 3.7244 RM In production
12.7 mm
Black
Thumb Screw Knobs
12.7 mm
TSK420A
1.9208 RM - 3.7244 RM 169 In stock
12.7 mm
Red
Thumb Screw Knobs
12.7 mm
TSK400A
1.9203 RM - 3.7236 RM 170 In stock
25.4 mm
Black
Thumb Screw Knobs
25.4 mm
TSK430A
1.9203 RM - 3.7236 RM In production
25.4 mm
Red
Thumb Screw Knobs
25.4 mm
TSK410A
1.9203 RM - 3.7236 RM 170 In stock
16.6 mm
Blue
Thumb Screw Knobs
16.6 mm
TSK425A
1.9203 RM - 3.7236 RM In production
16.6 mm
Red
Thumb Screw Knobs
16.6 mm
TSK405A
1.9208 RM - 3.7244 RM 169 In stock
12.7 mm
Blue
Thumb Screw Knobs
12.7 mm
TSK415A
1.9203 RM - 3.7236 RM 170 In stock
25.4 mm
Blue
Thumb Screw Knobs
25.4 mm
037040259905
0.3054 RM - 0.5922 RM 304 In stock
17.0 mm
Black
7.0 mm
037100059905
0.9103 RM - 1.7652 RM In production
36.0 mm
Black
17.0 mm
037050200905
0.4172 RM - 0.8089 RM 120 In stock
20.0 mm
Orange
8.0 mm
038050059905
1.1234 RM - 2.1782 RM 24575 In stock
17.0 mm
Black
8.5 mm
037060059905
0.4155 RM - 0.8056 RM 5820 In stock
20.0 mm
Black
10.0 mm
037040100905
0.3366 RM - 0.6526 RM 3120 In stock
13.0 mm
Orange
7.0 mm
037050100905
0.3696 RM - 0.7167 RM 2020 In stock
17.0 mm
Orange
8.0 mm
466350
0.5306 RM - 1.0288 RM 2925 In stock
13.0 mm
Black
10.0 mm
037060000905
0.4929 RM - 0.9556 RM 3920 In stock
20.0 mm
Orange
10.0 mm
038040000905
0.2768 RM - 0.5367 RM 2020 In stock
13.0 mm
Orange
7.0 mm
037060159905
0.486 RM - 0.9424 RM In production
20.0 mm
Black
10.0 mm
038030059905
0.4172 RM - 0.809 RM 16016 In stock
11.0 mm
Black
5.5 mm
038040159905
0.3876 RM - 0.7516 RM In production
17.0 mm
Black
7.0 mm
038040100905
0.4184 RM - 0.8113 RM In production
17.0 mm
Orange
7.0 mm
  • of 4
Thumb Screw Knob - Compatible Screw Sizes - M8 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 12.0 mm | 0.472 in ; Knob Diameter - 25.4 mm | 1 in

TSK285A

Price Range
13.3407 RM - 6.88 RM

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Nylon;Zinc Plated Steel
  • Type
    Knurled
  • Base Diameter
    25.4 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 16.6 mm | 0.654 in ; Overall Height - 12.0 mm | 0.472 in ; Knob Diameter - 16.6 mm | 0.654 in

TSK255A

Price Range
9.9163 RM - 5.114 RM

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Nylon;Zinc Plated Steel
  • Type
    Knurled
  • Base Diameter
    16.6 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 16.6 mm | 0.654 in ; Overall Height - 6.4 mm | 0.252 in ; Knob Diameter - 16.6 mm | 0.654 in

TSK395A

Price Range
3.7236 RM - 1.9203 RM

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    16.6 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 12.7 mm | 0.500 in ; Overall Height - 5.6 mm | 0.22 in ; Knob Diameter - 12.7 mm | 0.500 in

TSK390A

Price Range
3.7244 RM - 1.9208 RM

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    12.7 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 12.7 mm | 0.500 in ; Overall Height - 5.6 mm | 0.22 in ; Knob Diameter - 12.7 mm | 0.500 in

TSK420A

Price Range
3.7244 RM - 1.9208 RM

Stock Levels
169 In stock
Attributes
  • Colour
    Red
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    12.7 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 9.3 mm | 0.366 in ; Knob Diameter - 25.4 mm | 1 in

TSK400A

Price Range
3.7236 RM - 1.9203 RM

Stock Levels
170 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    25.4 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 9.3 mm | 0.366 in ; Knob Diameter - 25.4 mm | 1 in

TSK430A

Price Range
3.7236 RM - 1.9203 RM

Stock Levels
In production
Attributes
  • Colour
    Red
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    25.4 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 16.6 mm | 0.654 in ; Overall Height - 6.4 mm | 0.252 in ; Knob Diameter - 16.6 mm | 0.654 in

TSK410A

Price Range
3.7236 RM - 1.9203 RM

Stock Levels
170 In stock
Attributes
  • Colour
    Blue
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    16.6 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 16.6 mm | 0.654 in ; Overall Height - 6.4 mm | 0.252 in ; Knob Diameter - 16.6 mm | 0.654 in

TSK425A

Price Range
3.7236 RM - 1.9203 RM

Stock Levels
In production
Attributes
  • Colour
    Red
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    16.6 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 12.7 mm | 0.500 in ; Overall Height - 5.6 mm | 0.22 in ; Knob Diameter - 12.7 mm | 0.500 in

TSK405A

Price Range
3.7244 RM - 1.9208 RM

Stock Levels
169 In stock
Attributes
  • Colour
    Blue
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    12.7 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 9.3 mm | 0.366 in ; Knob Diameter - 25.4 mm | 1 in

TSK415A

Price Range
3.7236 RM - 1.9203 RM

Stock Levels
170 In stock
Attributes
  • Colour
    Blue
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Base Diameter
    25.4 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 7.0 mm | 0.276 in ; Overall Height - 5.5 mm | 0.217 in ; Knob Diameter - 17.0 mm | 0.669 in

037040259905

Price Range
0.5922 RM - 0.3054 RM

Stock Levels
304 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    7.0 mm
  • Knob Diameter
    17.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M10 ; Base Diameter - 17.0 mm | 0.669 in ; Overall Height - 10.0 mm | 0.394 in ; Knob Diameter - 36.0 mm | 1.417 in

037100059905

Price Range
1.7652 RM - 0.9103 RM

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    17.0 mm
  • Knob Diameter
    36.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 8.0 mm | 0.315 in ; Overall Height - 6.5 mm | 0.256 in ; Knob Diameter - 20.0 mm | 0.787 in

037050200905

Price Range
0.8089 RM - 0.4172 RM

Stock Levels
120 In stock
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    8.0 mm
  • Knob Diameter
    20.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 8.5 mm | 0.335 in ; Overall Height - 6.5 mm | 0.256 in ; Knob Diameter - 17.0 mm | 0.669 in

038050059905

Price Range
2.1782 RM - 1.1234 RM

Stock Levels
24575 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    8.5 mm
  • Knob Diameter
    17.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 10.0 mm | 0.394 in ; Overall Height - 6.5 mm | 0.256 in ; Knob Diameter - 20.0 mm | 0.787 in

037060059905

Price Range
0.8056 RM - 0.4155 RM

Stock Levels
5820 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    10.0 mm
  • Knob Diameter
    20.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 7.0 mm | 0.276 in ; Overall Height - 9.5 mm | 0.374 in ; Knob Diameter - 13.0 mm | 0.512 in

037040100905

Price Range
0.6526 RM - 0.3366 RM

Stock Levels
3120 In stock
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    7.0 mm
  • Knob Diameter
    13.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 8.0 mm | 0.315 in ; Overall Height - 11.5 mm | 0.453 in ; Knob Diameter - 17.0 mm | 0.669 in

037050100905

Price Range
0.7167 RM - 0.3696 RM

Stock Levels
2020 In stock
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    8.0 mm
  • Knob Diameter
    17.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 10.0 mm | 0.394 in ; Overall Height - 5.0 mm | 0.197 in ; Knob Diameter - 13.0 mm | 0.512 in

466350

Price Range
1.0288 RM - 0.5306 RM

Stock Levels
2925 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    Nylon
  • Base Diameter
    10.0 mm
  • Knob Diameter
    13.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 10.0 mm | 0.394 in ; Overall Height - 6.5 mm | 0.256 in ; Knob Diameter - 20.0 mm | 0.787 in

037060000905

Price Range
0.9556 RM - 0.4929 RM

Stock Levels
3920 In stock
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    10.0 mm
  • Knob Diameter
    20.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 7.0 mm | 0.276 in ; Overall Height - 5.5 mm | 0.217 in ; Knob Diameter - 13.0 mm | 0.512 in

038040000905

Price Range
0.5367 RM - 0.2768 RM

Stock Levels
2020 In stock
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    7.0 mm
  • Knob Diameter
    13.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 10.0 mm | 0.394 in ; Overall Height - 15.0 mm | 0.591 in ; Knob Diameter - 20.0 mm | 0.787 in

037060159905

Price Range
0.9424 RM - 0.486 RM

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    10.0 mm
  • Knob Diameter
    20.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M3 ; Base Diameter - 5.5 mm | 0.217 in ; Overall Height - 4.5 mm | 0.177 in ; Knob Diameter - 11.0 mm | 0.433 in

038030059905

Price Range
0.809 RM - 0.4172 RM

Stock Levels
16016 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    5.5 mm
  • Knob Diameter
    11.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 7.0 mm | 0.276 in ; Overall Height - 5.5 mm | 0.217 in ; Knob Diameter - 17.0 mm | 0.669 in

038040159905

Price Range
0.7516 RM - 0.3876 RM

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    7.0 mm
  • Knob Diameter
    17.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 7.0 mm | 0.276 in ; Overall Height - 5.5 mm | 0.217 in ; Knob Diameter - 17.0 mm | 0.669 in

038040100905

Price Range
0.8113 RM - 0.4184 RM

Stock Levels
In production
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    7.0 mm
  • Knob Diameter
    17.0 mm