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Thumb Screw Knobs - Knurled

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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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133 results
Product SKUs information
Item Code Price range Availability Knob Diameter Knob Style Compatible Screw SizeTEST Type Base Diameter Compatible Screw Sizes View
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12.7 mm
Round
Thumb Screw Knobs
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25.4 mm
Round
Thumb Screw Knobs
$34.4722 - $38.1964 Request the lead time here
30.0 mm
Knurled Nut
M8
20.0 mm
$21.6964 - $24.0403 Request the lead time here
20.0 mm
Knurled Nut
M5
14.0 mm
$56.849 - $62.9905 Request the lead time here
40.0 mm
Knurled Nut
M12
32.0 mm
$42.8635 - $47.4943 Request the lead time here
36.0 mm
Knurled Nut
M10
28.0 mm
$17.9921 - $19.9358 Request the lead time here
24.0 mm
Knurled Nut
M6
16.0 mm
$26.4589 - $29.3174 Request the lead time here
24.0 mm
Knurled Nut
M6
16.0 mm
$16.8582 - $18.6794 Request the lead time here
20.0 mm
Knurled Nut
M5
14.0 mm
$27.9709 - $30.9928 Request the lead time here
36.0 mm
Knurled Nut
M10
28.0 mm
$49.8185 - $55.2005 Request the lead time here
40.0 mm
Knurled Nut
M12
32.0 mm
$23.6618 - $26.2181 Request the lead time here
30.0 mm
Knurled Nut
M8
20.0 mm
Request the lead time here
30.0 mm
Knurled
Screw
16.0 mm
  • of 7
Thumb Screw Knob - Compatible Screw Sizes - M4 ; ; Overall Height - 5.6 mm | 0.22 in ; Knob Diameter - 12.7 mm | 0.5 in

TSK390A


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

TSK430A


Stock Levels
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Attributes
  • Colour
    Red
  • Knob Style
    Round
  • Material
    Acetal
  • Type
    Thumb Screw Knobs
  • Knob Diameter
    25.4 mm
Thumb Screw Knob - Compatible Screw Sizes - M8 ; Base Diameter - 20.0 mm | 0.787 in ; ; Knob Diameter - 30.0 mm | 1.181 in

1504888

Price Range
$38.1964 - $34.4722

Stock Levels
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Attributes
  • Knob Style
    Knurled Nut
  • Material
    Stainless Steel
  • Type
    M8
  • Base Diameter
    20.0 mm
  • Knob Diameter
    30.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 14.0 mm | 0.551 in ; ; Knob Diameter - 20.0 mm | 0.787 in

1504884

Price Range
$24.0403 - $21.6964

Stock Levels
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Attributes
  • Knob Style
    Knurled Nut
  • Material
    Stainless Steel
  • Type
    M5
  • Base Diameter
    14.0 mm
  • Knob Diameter
    20.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M12 ; Base Diameter - 32.0 mm | 1.26 in ; ; Knob Diameter - 40.0 mm | 1.575 in

1504882

Price Range
$62.9905 - $56.849

Stock Levels
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Attributes
  • Knob Style
    Knurled Nut
  • Material
    Stainless Steel
  • Type
    M12
  • Base Diameter
    32.0 mm
  • Knob Diameter
    40.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M10 ; Base Diameter - 28.0 mm | 1.102 in ; ; Knob Diameter - 36.0 mm | 1.417 in

1504880

Price Range
$47.4943 - $42.8635

Stock Levels
Request the lead time here
Attributes
  • Knob Style
    Knurled Nut
  • Material
    Stainless Steel
  • Type
    M10
  • Base Diameter
    28.0 mm
  • Knob Diameter
    36.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 16.0 mm | 0.63 in ; ; Knob Diameter - 24.0 mm | 0.945 in

1504885

Price Range
$19.9358 - $17.9921

Stock Levels
Request the lead time here
Attributes
  • Knob Style
    Knurled Nut
  • Material
    Steel
  • Type
    M6
  • Base Diameter
    16.0 mm
  • Knob Diameter
    24.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M6 ; Base Diameter - 16.0 mm | 0.63 in ; ; Knob Diameter - 24.0 mm | 0.945 in

1504886

Price Range
$29.3174 - $26.4589

Stock Levels
Request the lead time here
Attributes
  • Knob Style
    Knurled Nut
  • Material
    Stainless Steel
  • Type
    M6
  • Base Diameter
    16.0 mm
  • Knob Diameter
    24.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M5 ; Base Diameter - 14.0 mm | 0.551 in ; ; Knob Diameter - 20.0 mm | 0.787 in

1504883

Price Range
$18.6794 - $16.8582

Stock Levels
Request the lead time here
Attributes
  • Knob Style
    Knurled Nut
  • Material
    Steel
  • Type
    M5
  • Base Diameter
    14.0 mm
  • Knob Diameter
    20.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M10 ; Base Diameter - 28.0 mm | 1.102 in ; ; Knob Diameter - 36.0 mm | 1.417 in

1504879

Price Range
$30.9928 - $27.9709

Stock Levels
Request the lead time here
Attributes
  • Knob Style
    Knurled Nut
  • Material
    Steel
  • Type
    M10
  • Base Diameter
    28.0 mm
  • Knob Diameter
    36.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M12 ; Base Diameter - 32.0 mm | 1.26 in ; ; Knob Diameter - 40.0 mm | 1.575 in

1504881

Price Range
$55.2005 - $49.8185

Stock Levels
Request the lead time here
Attributes
  • Knob Style
    Knurled Nut
  • Material
    Steel
  • Type
    M12
  • Base Diameter
    32.0 mm
  • Knob Diameter
    40.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M8 ; Base Diameter - 20.0 mm | 0.787 in ; ; Knob Diameter - 30.0 mm | 1.181 in

1504887

Price Range
$26.2181 - $23.6618

Stock Levels
Request the lead time here
Attributes
  • Knob Style
    Knurled Nut
  • Material
    Steel
  • Type
    M8
  • Base Diameter
    20.0 mm
  • Knob Diameter
    30.0 mm
Thumb Screw Knob - Compatible Screw Sizes - M8 ; Base Diameter - 16.0 mm | 0.63 in; Overall Height - 53.0 mm | 2.087 in; Knob Diameter - 30.0 mm | 1.181 in; Stainless Steel

1220611


Stock Levels
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Attributes
  • Colour
    Silver
  • Knob Style
    Knurled
  • Material
    Stainless Steel
  • Type
    Screw
  • Base Diameter
    16.0 mm