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| Item Code | Price range | Availability | Knob Diameter | Knob Style | Special Offer | Brand | Compatible Screw Sizes | View |
|---|---|---|---|---|---|---|---|---|
| $0.29 - $0.29 | 125 In stock |
0.311 in
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Knurled
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Reid Select
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| $0.48 - $0.48 | 687 In stock |
0.626 in
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Knurled
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Reid Select
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| $0.15 - $0.15 | 51 In stock |
0.748 in
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Knurled
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Reid Select
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| $0.53 - $0.53 | Request the lead time here |
1 in
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Knurled
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Reid Select
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| $1.29 - $1.29 | 407 In stock |
1.5 in
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Lobed
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Reid Select
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| $0.53 - $0.53 | 37 In stock |
1.5 in
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Lobed
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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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| $0.34 - $0.34 | 80 In stock |
0.626 in
|
Knurled
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Reid Select
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| $0.48 - $0.48 | 1000 In stock |
0.378 in
|
Knurled
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Reid Select
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| $0.15 - $0.15 | 30 In stock |
0.752 in
|
Knurled
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Reid Select
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| $0.31 - $0.31 | Request the lead time here |
1.024 in
|
Knurled
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Reid Select
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| $0.35 - $0.35 | Request the lead time here |
1.5 in
|
Lobed
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Reid Select
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| $0.48 - $0.48 | Request the lead time here |
1.024 in
|
Wing
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Reid Select
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| $0.48 - $0.48 | 997 In stock |
0.500 in
|
Knurled
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|
Reid Select
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| $0.37 - $0.37 | Request the lead time here |
0.748 in
|
Knurled
|
|
Reid Select
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| $0.21 - $0.21 | 9 In stock |
1 in
|
Knurled
|
|
Reid Select
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| $0.84 - $0.84 | 177 In stock |
1 in
|
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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| $0.18 - $0.18 | 42 In stock |
1.496 in
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Wing
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Reid Select
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| $0.55 - $0.55 | 155 In stock |
0.748 in
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Knurled
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Reid Select
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Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.29 - $0.29
- Stock Levels
- 125 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, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 687 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, Red, Delrin
- Price Range
- $0.15 - $0.15
- Stock Levels
- 51 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, Yellow, Delrin
- Price Range
- $0.53 - $0.53
- 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; Lobed, Black, Delrin
- Price Range
- $1.29 - $1.29
- Stock Levels
- 407 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, Black, Delrin
- Price Range
- $0.53 - $0.53
- Stock Levels
- 37 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; 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
- $0.34 - $0.34
- Stock Levels
- 80 In stock
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, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 1000 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, 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
- $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; Knurled, Red, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 997 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, Gray, Delrin
- Price Range
- $0.37 - $0.37
- 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, 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, Black, Delrin
- Price Range
- $0.84 - $0.84
- Stock Levels
- 177 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, 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; Wing, Black, Delrin
- Price Range
- $0.18 - $0.18
- Stock Levels
- 42 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-939B -
Base Diameter
0.65 in -
Knob Diameter
1.496 in -
Color
Black
Thumb Screw Knob; Knurled, Black, Delrin
- Price Range
- $0.55 - $0.55
- Stock Levels
- 155 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-931B -
Base Diameter
0.512 in -
Knob Diameter
0.748 in -
Color
Black