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
Imperial
Metric
Sort by
None| Item Code | Price range | Availability | Knob Diameter | Knob Style | Special Offer | Brand | Compatible Screw Sizes | View |
|---|---|---|---|---|---|---|---|---|
| $0.41 - $0.65 | 33 In stock |
0.750 in
|
Push-Pull Knobs
|
New
|
Reid Select
|
|
||
| $0.56 - $0.56 | 106 In stock |
1.375 in
|
L-Knob
|
|
Reid Select
|
|
||
| $0.35 - $0.35 | Request the lead time here |
1.5 in
|
Lobed
|
|
Reid Select
|
|
||
| $0.48 - $0.48 | 297 In stock |
0.374 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.48 - $0.48 | 899 In stock |
0.626 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.48 - $0.48 | Request the lead time here |
0.626 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.84 - $0.84 | Request the lead time here |
1 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.48 - $0.48 | 395 In stock |
0.512 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.55 - $0.55 | 155 In stock |
0.748 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.55 - $0.55 | 100 In stock |
0.752 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.69 - $0.69 | 101 In stock |
1.024 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.83 - $0.83 | 226 In stock |
1.024 in
|
Knurled
|
|
Reid Select
|
|
||
| $96.32 - $151.36 | Request the lead time here |
|
Knurled, Lobed, Wing, L-Knob
|
|
Reid Select
|
|
||
| $0.35 - $0.35 | 240 In stock |
1.5 in
|
Lobed
|
|
Reid Select
|
|
||
| $1.19 - $1.19 | 176 In stock |
1.496 in
|
Lobed
|
|
Reid Select
|
|
||
| $0.33 - $0.33 | 258 In stock |
1.00 in
|
Wing
|
|
Reid Select
|
|
||
| $0.48 - $0.48 | 188 In stock |
0.500 in
|
Knurled
|
|
Reid Select
|
|
||
| $0.14 - $0.14 | 197 In stock |
0.63 in
|
Knurled
|
|
Reid Select
|
|
||
| $1.29 - $1.29 | 2146 In stock |
1.496 in
|
Lobed
|
|
Reid Select
|
|
||
| $1.19 - $1.19 | 183 In stock |
1.5 in
|
Lobed
|
|
Reid Select
|
|
||
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
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, 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; 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
- 899 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, 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, Black, Delrin
- Price Range
- $0.48 - $0.48
- Stock Levels
- 395 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, 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
Thumb Screw Knob; Knurled, Red, Delrin
- Price Range
- $0.55 - $0.55
- Stock Levels
- 100 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, 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, 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, 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
- 176 In stock
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
- 258 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; 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
- 197 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; Lobed, Black, Delrin
- Price Range
- $1.29 - $1.29
- Stock Levels
- 2146 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
- 183 In stock
Attributes
-
Brand
Reid Select -
Manufacturer Part Number
83-98-907B -
Base Diameter
0.531 in -
Knob Diameter
1.5 in -
Color
Black