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 | |
|---|---|---|---|---|---|---|---|---|
| $0.39 - $0.39 | 25 In stock |
0.311 in
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Knurled
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Reid Select
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| $0.48 - $0.48 | 297 In stock |
0.374 in
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Knurled
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Reid Select
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| $0.48 - $0.48 | 1272 In stock |
0.626 in
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Knurled
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Reid Select
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| $0.48 - $0.48 | Request the lead time here |
0.626 in
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Knurled
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Reid Select
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| $0.15 - $0.15 | 83 In stock |
0.748 in
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Knurled
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Reid Select
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| $0.84 - $0.84 | 149 In stock |
1 in
|
Knurled
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Reid Select
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| $0.84 - $0.84 | Request the lead time here |
1 in
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Knurled
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Reid Select
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| $0.83 - $0.83 | Request the lead time here |
1 in
|
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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| $1.29 - $1.29 | 2846 In stock |
1.496 in
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Lobed
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Reid Select
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| $1.19 - $1.19 | 195 In stock |
1.5 in
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Lobed
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Reid Select
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| $1.19 - $1.19 | 128 In stock |
1.496 in
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Lobed
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Reid Select
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| $0.56 - $0.56 | 415 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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| $0.48 - $0.48 | 106 In stock |
0.374 in
|
Knurled
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Reid Select
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| $0.48 - $0.48 | 345 In stock |
0.512 in
|
Knurled
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Reid Select
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| $0.48 - $0.48 | 1297 In stock |
0.500 in
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Knurled
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Reid Select
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| $0.55 - $0.55 | 85 In stock |
0.752 in
|
Knurled
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Reid Select
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| $0.69 - $0.69 | 101 In stock |
1.024 in
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Knurled
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Reid Select
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| $0.21 - $0.21 | 9 In stock |
1 in
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Knurled
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Reid Select
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Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.39 - $0.39
- Stock Levels
- 25 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-899B -
Base Diameter
0.28 in -
Knob Diameter
0.311 in -
Color
Black
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 297 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-900R -
Base Diameter
0.327 in -
Knob Diameter
0.374 in -
Color
Red
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 1272 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-902B -
Base Diameter
0.421 in -
Knob Diameter
0.626 in -
Color
Black
Thumb Screw Knob; Knurled, Yellow, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-902Y -
Base Diameter
0.421 in -
Knob Diameter
0.626 in -
Color
Yellow
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.15 - $0.15
- Stock Levels
- 83 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-931R -
Base Diameter
0.512 in -
Knob Diameter
0.748 in -
Color
Red
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.84 - $0.84
- Stock Levels
- 149 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-904B -
Base Diameter
0.500 in -
Knob Diameter
1 in -
Color
Black
Thumb Screw Knob; Knurled, Yellow, Delrin
- Price Range
- $0.84 - $0.84
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-904Y -
Base Diameter
0.500 in -
Knob Diameter
1 in -
Color
Yellow
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.83 - $0.83
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-906R -
Base Diameter
0.594 in -
Knob Diameter
1 in -
Color
Red
Thumb Screw Knob; Knurled, Lobed, Wing, L-Knob, Black, Delrin
- 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; Lobed, Black, Delrin
- Price Range
- $1.29 - $1.29
- Stock Levels
- 2846 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-936B -
Base Diameter
0.768 in -
Knob Diameter
1.496 in -
Color
Black
Thumb Screw Knob; Lobed, Black, Delrin
- Price Range
- $1.19 - $1.19
- Stock Levels
- 195 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-907B -
Base Diameter
0.531 in -
Knob Diameter
1.5 in -
Color
Black
Thumb Screw Knob; Lobed, Black, Delrin
- Price Range
- $1.19 - $1.19
- Stock Levels
- 128 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-935B -
Base Diameter
0.63 in -
Knob Diameter
1.496 in -
Color
Black
Thumb Screw Knob; Wing, Black, Delrin
- Price Range
- $0.56 - $0.56
- Stock Levels
- 415 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-924B -
Base Diameter
0.516 in -
Knob Diameter
1.25 in -
Color
Black
Thumb Screw Knob; Wing, Black, Delrin
- Price Range
- $0.65 - $0.65
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-925B -
Base Diameter
0.626 in -
Knob Diameter
1.50 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 106 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-900B -
Base Diameter
0.327 in -
Knob Diameter
0.374 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 345 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-929B -
Base Diameter
0.386 in -
Knob Diameter
0.512 in -
Color
Black
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 1297 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-901R -
Base Diameter
0.374 in -
Knob Diameter
0.500 in -
Color
Red
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.55 - $0.55
- Stock Levels
- 85 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903R -
Base Diameter
0.500 in -
Knob Diameter
0.752 in -
Color
Red
Thumb Screw Knob; Knurled, Gray, Delrin
- Price Range
- $0.69 - $0.69
- Stock Levels
- 101 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-932G -
Base Diameter
0.512 in -
Knob Diameter
1.024 in -
Color
Gray
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.21 - $0.21
- Stock Levels
- 9 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-904R -
Base Diameter
0.500 in -
Knob Diameter
1 in -
Color
Red
Thumb Screw Knob; Knurled, Lobed, Wing, Black, Delrin
- 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; L-Knob, Red, Delrin
- Price Range
- $0.56 - $0.56
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-951R -
Base Diameter
0.516 in -
Knob Diameter
1.375 in -
Color
Red
Thumb Screw Knob; Lobed, Black, Delrin
- Price Range
- $1.29 - $1.29
- Stock Levels
- 177 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-909B -
Base Diameter
0.705 in -
Knob Diameter
1.5 in -
Color
Black
Thumb Screw Knob; Lobed, Yellow, Delrin
- Price Range
- $1.29 - $1.29
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-909Y -
Base Diameter
0.705 in -
Knob Diameter
1.5 in -
Color
Yellow
Thumb Screw Knob; Lobed, Black, Delrin
- Price Range
- $1.19 - $1.19
- Stock Levels
- 41 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-908B -
Base Diameter
0.579 in -
Knob Diameter
1.5 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 188 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-901B -
Base Diameter
0.374 in -
Knob Diameter
0.500 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.14 - $0.14
- Stock Levels
- 255 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-930B -
Base Diameter
0.453 in -
Knob Diameter
0.63 in -
Color
Black
Thumb Screw Knob; Knurled, Gray, Delrin
- Price Range
- $0.47 - $0.47
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903G -
Base Diameter
0.500 in -
Knob Diameter
0.752 in -
Color
Gray
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.84 - $0.84
- Stock Levels
- 312 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-932B -
Base Diameter
0.512 in -
Knob Diameter
1.024 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 1200 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-928B -
Base Diameter
0.327 in -
Knob Diameter
0.378 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.55 - $0.55
- Stock Levels
- 77 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-931B -
Base Diameter
0.512 in -
Knob Diameter
0.748 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.83 - $0.83
- Stock Levels
- 226 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-933B -
Base Diameter
0.63 in -
Knob Diameter
1.024 in -
Color
Black
Thumb Screw Knob; Knurled, Lobed, Wing, Black, Delrin
- Price Range
- $126.19 - $80.30
- 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 -
Includes
260 Pcs. Metric Asst. - Black 20 Ea. of SLK-200 thru SLK-1300
Thumb Screw Knob; Lobed, Red, Delrin
- Price Range
- $0.35 - $0.35
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-909R -
Base Diameter
0.705 in -
Knob Diameter
1.5 in -
Color
Red
Thumb Screw Knob; Wing, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-937B -
Base Diameter
0.472 in -
Knob Diameter
1.024 in -
Color
Black
Thumb Screw Knob; Wing, Red, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 39 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-923R -
Base Diameter
0.437 in -
Knob Diameter
1.00 in -
Color
Red
Thumb Screw Knob; Wing, Yellow, Delrin
- Price Range
- $0.56 - $0.56
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-924Y -
Base Diameter
0.516 in -
Knob Diameter
1.25 in -
Color
Yellow
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.30 - $0.30
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-899R -
Base Diameter
0.28 in -
Knob Diameter
0.311 in -
Color
Red
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.55 - $0.55
- Stock Levels
- 850 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903B -
Base Diameter
0.500 in -
Knob Diameter
0.752 in -
Color
Black
Thumb Screw Knob; Knurled, Lobed, Wing, Black, Delrin
- Price Range
- $126.19 - $80.30
- Stock Levels
- 2 In stock
Attributes
-
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; Knurled, Gray, Delrin
- Price Range
- $0.40 - $0.40
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-902G -
Base Diameter
0.421 in -
Knob Diameter
0.626 in -
Color
Gray
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-902R -
Base Diameter
0.421 in -
Knob Diameter
0.626 in -
Color
Red
Thumb Screw Knob; Knurled, Gray, Delrin
- Price Range
- $0.55 - $0.55
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-931G -
Base Diameter
0.512 in -
Knob Diameter
0.748 in -
Color
Gray
Thumb Screw Knob; Knurled, Yellow, Delrin
- Price Range
- $0.15 - $0.15
- Stock Levels
- 30 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-903Y -
Base Diameter
0.500 in -
Knob Diameter
0.752 in -
Color
Yellow
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.31 - $0.31
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-933R -
Base Diameter
0.63 in -
Knob Diameter
1.024 in -
Color
Red
Thumb Screw Knob; Lobed, Red, Delrin
- Price Range
- $1.19 - $1.19
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-907R -
Base Diameter
0.531 in -
Knob Diameter
1.5 in -
Color
Red
Thumb Screw Knob; Wing, Red, Delrin
- Price Range
- $0.56 - $0.56
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-924R -
Base Diameter
0.516 in -
Knob Diameter
1.25 in -
Color
Red
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.83 - $0.83
- Stock Levels
- 192 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-906B -
Base Diameter
0.594 in -
Knob Diameter
1 in -
Color
Black
Thumb Screw Knob; L-Knob, Black, Delrin
- Price Range
- $0.56 - $0.56
- Stock Levels
- 106 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-951B -
Base Diameter
0.516 in -
Knob Diameter
1.375 in -
Color
Black
Thumb Screw Knob; Lobed, Gray, Delrin
- Price Range
- $0.35 - $0.35
- Stock Levels
- 240 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-909G -
Base Diameter
0.705 in -
Knob Diameter
1.5 in -
Color
Gray
Thumb Screw Knob; Lobed, Black, Delrin
- Price Range
- $1.19 - $1.19
- Stock Levels
- Request the lead time here
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-934B -
Base Diameter
0.555 in -
Knob Diameter
1.496 in -
Color
Black
Thumb Screw Knob; Wing, Black, Delrin
- Price Range
- $0.33 - $0.33
- Stock Levels
- 489 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-923B -
Base Diameter
0.437 in -
Knob Diameter
1.00 in -
Color
Black
Thumb Screw Knob; Wing, Black, Delrin
- Price Range
- $0.56 - $0.56
- Stock Levels
- 110 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-938B -
Base Diameter
0.531 in -
Knob Diameter
1.181 in -
Color
Black
Thumb Screw Knob; Wing, Black, Delrin
- Price Range
- $0.18 - $0.18
- Stock Levels
- 52 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-939B -
Base Diameter
0.65 in -
Knob Diameter
1.496 in -
Color
Black
Push-Pull Knurled Knobs; , ,
- 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