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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.
Request a quote
For large volumes and customised products, add to your cart and click request a quote, orcontact usand we will respond within 2 working days.
Filter or Search Variants
Use the filters or search below to find what you're looking for
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None| Price range | Availability | Knob Diameter | Knob Style | Special Offer | Brand | Compatible Screw Sizes | View | |
|---|---|---|---|---|---|---|---|---|
| $0.41 - $0.65 | 33 In stock |
0.750 in
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Push-Pull Knobs
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New
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Reid Select
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| $0.35 - $0.35 | 240 In stock |
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Lobed
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Reid Select
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| $1.19 - $1.19 | 76 In stock |
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Lobed
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Reid Select
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| $0.33 - $0.33 | 333 In stock |
1.00 in
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Wing
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Reid Select
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| $0.56 - $0.56 | 115 In stock |
1.181 in
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Wing
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Reid Select
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| $0.18 - $0.18 | 22 In stock |
1.496 in
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Wing
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Reid Select
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| $0.10 - $0.10 | 30 In stock |
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Knurled
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Reid Select
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| $0.15 - $0.15 | 9 In stock |
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Knurled
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Reid Select
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| $0.56 - $0.56 | Request the lead time here |
1.25 in
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Wing
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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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| $0.40 - $0.40 | Request the lead time here |
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Knurled
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Reid Select
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| $0.55 - $0.55 | 155 In stock |
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Knurled
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Reid Select
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| $0.55 - $0.55 | 60 In stock |
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Knurled
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Reid Select
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| $0.15 - $0.15 | 101 In stock |
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Knurled
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Reid Select
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| $0.29 - $0.29 | 125 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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| $0.53 - $0.53 | 226 In stock |
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Knurled
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Reid Select
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| $96.32 - $151.36 | Request the lead time here |
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Knurled, Lobed, Wing, L-Knob
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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 | 307 In stock |
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Knurled
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Reid Select
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Push-Pull Knurled Knobs - Knob Diameter 19.1 mm | 0.750 in; Thread Size 1/4-20; Insert Type Not Applicable
- Price Range
- $0.65 - $0.41
- Stock Levels
- 33 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
KN4C0500K7---21 -
Knob Diameter
0.750 in -
Knob Style
Push-Pull Knobs -
Special Offer
New
Thumb Screw Knob - Knob Diameter 38.1 mm | 1.5 in; ;
- Price Range
- $0.35 - $0.35
- Stock Levels
- 240 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-909G -
Color
Gray -
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
- 76 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-934B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Lobed
Thumb Screw Knob - Knob Diameter 25.4 mm | 1.00 in; ;
- Price Range
- $0.33 - $0.33
- Stock Levels
- 333 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-923B -
Knob Diameter
1.00 in -
Color
Black -
Full Material
Delrin 500 Acetal Resin
Thumb Screw Knob - Knob Diameter 30.0 mm | 1.181 in; ;
- Price Range
- $0.56 - $0.56
- Stock Levels
- 115 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-938B -
Knob Diameter
1.181 in -
Color
Black -
Full Material
Delrin 500 Acetal Resin
Thumb Screw Knob - Knob Diameter 38.0 mm | 1.496 in; ;
- Price Range
- $0.18 - $0.18
- Stock Levels
- 22 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-939B -
Knob Diameter
1.496 in -
Color
Black -
Full Material
Delrin 500 Acetal Resin
Thumb Screw Knob - Knob Diameter 19.1 mm | 0.752 in; ;
- Price Range
- $0.10 - $0.10
- Stock Levels
- 30 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903Y -
Color
Yellow -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 25.4 mm | 1 in; ;
- Price Range
- $0.15 - $0.15
- Stock Levels
- 9 In stock
Attributes
-
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 31.8 mm | 1.25 in; ;
- Price Range
- $0.56 - $0.56
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-924R -
Knob Diameter
1.25 in -
Color
Red -
Full Material
Delrin 500 Acetal Resin
Thumb Screw Knob - Knob Diameter 19.0 mm | 0.748 in; ;
- Price Range
- $0.15 - $0.15
- Stock Levels
- 51 In stock
Attributes
-
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 15.9 mm | 0.626 in; ;
- Price Range
- $0.40 - $0.40
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-902G -
Color
Gray -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 19.0 mm | 0.748 in; ;
- Price Range
- $0.55 - $0.55
- Stock Levels
- 155 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-931B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 19.1 mm | 0.752 in; ;
- Price Range
- $0.55 - $0.55
- Stock Levels
- 60 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903R -
Color
Red -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 26.0 mm | 1.024 in; ;
- Price Range
- $0.15 - $0.15
- Stock Levels
- 101 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-932G -
Color
Gray -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - Knob Diameter 7.9 mm | 0.311 in; ;
- Price Range
- $0.29 - $0.29
- Stock Levels
- 125 In stock
Attributes
-
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 9.5 mm | 0.374 in; ;
- Price Range
- $0.48 - $0.48
- Stock Levels
- 109 In stock
Attributes
-
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 26.0 mm | 1.024 in; ;
- Price Range
- $0.53 - $0.53
- Stock Levels
- 226 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-933B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
Thumb Screw Knob - ; ;
- Price Range
- $151.36 - $96.32
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
99-622-3 -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled, Lobed, Wing, L-Knob
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
- 307 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-932B -
Color
Black -
Full Material
Delrin 500 Acetal Resin -
Knob Style
Knurled
