Thumb Screw Knobs
In stock
Thumb screw knobs can be press-fit onto screws to create a small knob for clamping or securing quickly and easily with just the thumb and forefinger.
The wide variety of thumb screw knobs we supply can be used with any length screw and come in a variety of knurling patterns or wing-tip designs. They are ideal for applications where space is restricted and fastening with a tool is not possible.
We carry thumb screws in a variety of styles, including:
The versatility of thumb screw knobs extends to overlapping styles, including knurled lobed and many others. Browse our online catalog to see every style, size, and application type of thumb screw knob available with the quickest lead times.
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None| Price range | Availability | Knob Diameter | Knob Style | Special Offer | Brand | Compatible Screw Sizes | View | |
|---|---|---|---|---|---|---|---|---|
| $0.29 - $0.29 | 125 In stock |
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Knurled
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Reid Select
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| $0.56 - $0.56 | 243 In stock |
1.25 in
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Wing
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Reid Select
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| $0.65 - $0.65 | Request the lead time here |
1.50 in
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Wing
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Reid Select
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| $0.14 - $0.14 | 9 In stock |
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Knurled
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Reid Select
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| $0.48 - $0.48 | 109 In stock |
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Knurled
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Reid Select
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| $0.48 - $0.48 | 816 In stock |
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Knurled
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Reid Select
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| $0.48 - $0.48 | Request the lead time here |
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Knurled
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Reid Select
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| $0.15 - $0.15 | 51 In stock |
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Knurled
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Reid Select
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| $0.53 - $0.53 | Request the lead time here |
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Knurled
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Reid Select
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| $80.30 - $126.19 | 2 In stock |
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Knurled, Lobed, Wing
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Reid Select
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| $1.29 - $1.29 | 196 In stock |
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Lobed
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Reid Select
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| $0.55 - $0.55 | 550 In stock |
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Knurled
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Reid Select
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| $0.37 - $0.37 | Request the lead time here |
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Knurled
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Reid Select
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| $0.84 - $0.84 | 304 In stock |
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Knurled
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Reid Select
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| $0.83 - $0.83 | 151 In stock |
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Knurled
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Reid Select
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| $79.77 - $125.36 | Request the lead time here |
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Knurled, Lobed, Wing
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Reid Select
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| $1.29 - $1.29 | 1010 In stock |
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Lobed
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Reid Select
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| $1.19 - $1.19 | 227 In stock |
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Lobed
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Reid Select
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| $0.31 - $0.31 | Request the lead time here |
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Knurled
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Reid Select
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| $0.38 - $0.38 | 106 In stock |
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L-Knob
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Reid Select
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Thumb Screw Knob - Knob Diameter 7.9 mm | 0.311 in; ;
- Price Range
- $0.29 - $0.29
- Stock Levels
- 125 In stock
Attributes
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Brand
Reid Select -
Manufacturer Part Number
83-98-899B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 31.8 mm | 1.25 in; ;
- Price Range
- $0.56 - $0.56
- Stock Levels
- 243 In stock
Attributes
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Brand
Reid Select -
Manufacturer Part Number
83-98-924B -
Knob Diameter
1.25 in -
Color
Black -
Full Material
Delrin 500 Acetal Resin
Thumb Screw Knob - Knob Diameter 38.1 mm | 1.50 in; ;
- Price Range
- $0.65 - $0.65
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-925B -
Knob Diameter
1.50 in -
Color
Black -
Full Material
Delrin 500 Acetal Resin
Thumb Screw Knob - Knob Diameter 25.4 mm | 1 in; ;
- Price Range
- $0.14 - $0.14
- Stock Levels
- 9 In stock
Attributes
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Brand
Reid Select -
Manufacturer Part Number
83-98-904R -
Color
Red -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 9.5 mm | 0.374 in; ;
- Price Range
- $0.48 - $0.48
- Stock Levels
- 109 In stock
Attributes
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Brand
Reid Select -
Manufacturer Part Number
83-98-900R -
Color
Red -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 15.9 mm | 0.626 in; ;
- Price Range
- $0.48 - $0.48
- Stock Levels
- 816 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-902B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 15.9 mm | 0.626 in; ;
- Price Range
- $0.48 - $0.48
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-902Y -
Color
Yellow -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 19.0 mm | 0.748 in; ;
- Price Range
- $0.15 - $0.15
- Stock Levels
- 51 In stock
Attributes
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Brand
Reid Select -
Manufacturer Part Number
83-98-931R -
Color
Red -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 25.4 mm | 1 in; ;
- Price Range
- $0.53 - $0.53
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-904Y -
Color
Yellow -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - ; ;
- Price Range
- $126.19 - $80.30
- Stock Levels
- 2 In stock
Attributes
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Brand
Reid Select -
Manufacturer Part Number
99-617-3 -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled, Lobed, Wing
Thumb Screw Knob - Knob Diameter 38.1 mm | 1.5 in; ;
- Price Range
- $1.29 - $1.29
- Stock Levels
- 196 In stock
Attributes
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Brand
Reid Select -
Manufacturer Part Number
83-98-909B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Lobed
Thumb Screw Knob - Knob Diameter 19.1 mm | 0.752 in; ;
- Price Range
- $0.55 - $0.55
- Stock Levels
- 550 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 19.1 mm | 0.752 in; ;
- Price Range
- $0.37 - $0.37
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903G -
Color
Gray -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 26.0 mm | 1.024 in; ;
- Price Range
- $0.84 - $0.84
- Stock Levels
- 304 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-932B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 25.4 mm | 1 in; ;
- Price Range
- $0.83 - $0.83
- Stock Levels
- 151 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-906B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - ; ;
- Price Range
- $125.36 - $79.77
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
99-618-1 -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled, Lobed, Wing
Thumb Screw Knob - Knob Diameter 38.0 mm | 1.496 in; ;
- Price Range
- $1.29 - $1.29
- Stock Levels
- 1010 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-936B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Lobed
Thumb Screw Knob - Knob Diameter 38.0 mm | 1.496 in; ;
- Price Range
- $1.19 - $1.19
- Stock Levels
- 227 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-935B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Lobed
Thumb Screw Knob - Knob Diameter 26.0 mm | 1.024 in; ;
- Price Range
- $0.31 - $0.31
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-933R -
Color
Red -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw L-Knob: 1.375 in Knob Diameter, 13.1 mm Base Diameter, 1/4 Compatible Screw Size, SLK-16
- Price Range
- $0.38 - $0.38
- Stock Levels
- 106 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-951B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
L-Knob