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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
Item Code Price range Availability Knob Diameter Compatible Screw SizeTEST Colour Type Compatible Screw Sizes Base Diameter Buy
TSK275A
1.2639 USD - 1.4004 USD In production
25.4 mm
Black
Knurled
25.4 mm
TSK260A
1.2332 USD - 1.3663 USD In production
16.6 mm
Black
Knurled
16.6 mm
TSK255A
1.1114 USD - 1.2313 USD In production
16.6 mm
Black
Knurled
16.6 mm
TSK420A
0.4175 USD - 0.8094 USD 169 In stock
12.7 mm
Red
Thumb Screw Knobs
12.7 mm
TSK295A
1.5625 USD - 1.7312 USD 50 In stock
25.4 mm
Black
Knurled
25.4 mm
TSK245A
1.7671 USD - 1.958 USD In production
12.7 mm
Black
Knurled
12.7 mm
TSK240A
1.0789 USD - 1.1955 USD In production
12.7 mm
Black
Knurled
12.7 mm
TSK285A
1.4951 USD - 1.6566 USD In production
25.4 mm
Black
Knurled
25.4 mm
TSK415A
0.4173 USD - 0.8091 USD 170 In stock
25.4 mm
Blue
Thumb Screw Knobs
25.4 mm
TSK290A
1.4965 USD - 1.6582 USD In production
25.4 mm
Black
Knurled
25.4 mm
TSK270A
1.1625 USD - 1.2881 USD In production
25.4 mm
Black
Knurled
25.4 mm
037080100905
0.161 USD - 0.3121 USD 140 In stock
25.0 mm
Orange
13.0 mm
038080000905
0.1171 USD - 0.227 USD 6598 In stock
25.0 mm
Orange
13.0 mm
TSK395A
0.4173 USD - 0.8091 USD 20 In stock
16.6 mm
Black
Thumb Screw Knobs
16.6 mm
TSK410A
0.4173 USD - 0.8091 USD 170 In stock
16.6 mm
Blue
Thumb Screw Knobs
16.6 mm
TSK250A
2.0117 USD - 2.2291 USD In production
12.7 mm
Black
Knurled
12.7 mm
TSK390A
0.4175 USD - 0.8094 USD 46 In stock
12.7 mm
Black
Thumb Screw Knobs
12.7 mm
TSK280A
1.3148 USD - 1.4568 USD In production
25.4 mm
Black
Knurled
25.4 mm
TSK265A
1.294 USD - 1.4338 USD In production
16.6 mm
Black
Knurled
16.6 mm
038100059905
0.1343 USD - 0.2605 USD 6037 In stock
36.0 mm
Black
16.0 mm
  • of 4
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 20.0 mm | 0.787 in ; Knob Diameter - 25.4 mm | 1 in

TSK275A

Price Range
1.4004 USD - 1.2639 USD

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 - 20.0 mm | 0.787 in ; Knob Diameter - 16.6 mm | 0.654 in

TSK260A

Price Range
1.3663 USD - 1.2332 USD

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 - 12.0 mm | 0.472 in ; Knob Diameter - 16.6 mm | 0.654 in

TSK255A

Price Range
1.2313 USD - 1.1114 USD

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 - 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
0.8094 USD - 0.4175 USD

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 - M8 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 25.0 mm | 0.984 in ; Knob Diameter - 25.4 mm | 1 in

TSK295A

Price Range
1.7312 USD - 1.5625 USD

Stock Levels
50 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Nylon;Zinc Plated Steel
  • Type
    Knurled
  • Base Diameter
    25.4 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 12.7 mm | 0.5 in ; Overall Height - 20.0 mm | 0.787 in ; Knob Diameter - 12.7 mm | 0.5 in

TSK245A

Price Range
1.958 USD - 1.7671 USD

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Nylon;Zinc Plated Steel
  • Type
    Knurled
  • Base Diameter
    12.7 mm
Thumb Screw Knob - Compatible Screw Sizes - M4 ; Base Diameter - 12.7 mm | 0.5 in ; Overall Height - 10.0 mm | 0.394 in ; Knob Diameter - 12.7 mm | 0.5 in

TSK240A

Price Range
1.1955 USD - 1.0789 USD

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Nylon;Zinc Plated Steel
  • Type
    Knurled
  • Base Diameter
    12.7 mm
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
1.6566 USD - 1.4951 USD

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 - 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
0.8091 USD - 0.4173 USD

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 - M8 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 20.0 mm | 0.787 in ; Knob Diameter - 25.4 mm | 1 in

TSK290A

Price Range
1.6582 USD - 1.4965 USD

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 - M6 ; Base Diameter - 25.4 mm | 1 in ; Overall Height - 12.0 mm | 0.472 in ; Knob Diameter - 25.4 mm | 1 in

TSK270A

Price Range
1.2881 USD - 1.1625 USD

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 - M8 ; Base Diameter - 13.0 mm | 0.512 in ; Overall Height - 18.0 mm | 0.709 in ; Knob Diameter - 25.0 mm | 0.984 in

037080100905

Price Range
0.3121 USD - 0.161 USD

Stock Levels
140 In stock
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    13.0 mm
  • Knob Diameter
    25.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M8 ; Base Diameter - 13.0 mm | 0.512 in ; Overall Height - 9.5 mm | 0.374 in ; Knob Diameter - 25.0 mm | 0.984 in

038080000905

Price Range
0.227 USD - 0.1171 USD

Stock Levels
6598 In stock
Attributes
  • Colour
    Orange
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    13.0 mm
  • Knob Diameter
    25.0 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
0.8091 USD - 0.4173 USD

Stock Levels
20 In stock
Attributes
  • Colour
    Black
  • 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

TSK410A

Price Range
0.8091 USD - 0.4173 USD

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 - M4 ; Base Diameter - 12.7 mm | 0.5 in ; Overall Height - 25.0 mm | 0.984 in ; Knob Diameter - 12.7 mm | 0.5 in

TSK250A

Price Range
2.2291 USD - 2.0117 USD

Stock Levels
In production
Attributes
  • Colour
    Black
  • Knob Style
    Round
  • Material
    Nylon;Zinc Plated Steel
  • Type
    Knurled
  • 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

TSK390A

Price Range
0.8094 USD - 0.4175 USD

Stock Levels
46 In stock
Attributes
  • Colour
    Black
  • 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 - 25.0 mm | 0.984 in ; Knob Diameter - 25.4 mm | 1 in

TSK280A

Price Range
1.4568 USD - 1.3148 USD

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 - 25.0 mm | 0.984 in ; Knob Diameter - 16.6 mm | 0.654 in

TSK265A

Price Range
1.4338 USD - 1.294 USD

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 - M10 ; Base Diameter - 16.0 mm | 0.63 in ; Overall Height - 12.0 mm | 0.472 in ; Knob Diameter - 36.0 mm | 1.417 in

038100059905

Price Range
0.2605 USD - 0.1343 USD

Stock Levels
6037 In stock
Attributes
  • Colour
    Black
  • Knob Style
    Knurled
  • Material
    POM
  • Base Diameter
    16.0 mm
  • Knob Diameter
    36.0 mm