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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.

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For large volumes and customised products, add to your cart and click request a quote, orcontact usand we will respond within 2 working days.

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Knob Style Knurled
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28 results
Product SKUs information
Item Code Price range Availability Knob Diameter Knob Style Special Offer Brand Compatible Screw Sizes View
$0.30 - $0.30 Request the lead time here
0.311 in
Knurled
Reid Select
$0.14 - $0.14 197 In stock
0.63 in
Knurled
Reid Select
$0.83 - $0.83 107 In stock
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
$0.53 - $0.53 101 In stock
1.024 in
Knurled
Reid Select
$0.37 - $0.37 Request the lead time here
0.748 in
Knurled
Reid Select
$0.84 - $0.84 307 In stock
1.024 in
Knurled
Reid Select
$0.15 - $0.15 51 In stock
0.748 in
Knurled
Reid Select
$0.55 - $0.55 60 In stock
0.752 in
Knurled
Reid Select
$0.48 - $0.48 275 In stock
0.374 in
Knurled
Reid Select
$0.48 - $0.48 Request the lead time here
0.626 in
Knurled
Reid Select
$0.84 - $0.84 177 In stock
1 in
Knurled
Reid Select
$0.37 - $0.37 Request the lead time here
0.752 in
Knurled
Reid Select
$0.48 - $0.48 96 In stock
0.374 in
Knurled
Reid Select
$0.48 - $0.48 777 In stock
0.626 in
Knurled
Reid Select
$0.53 - $0.53 Request the lead time here
1 in
Knurled
Reid Select
$0.53 - $0.53 226 In stock
1.024 in
Knurled
Reid Select
$0.48 - $0.48 1000 In stock
0.378 in
Knurled
Reid Select
$0.34 - $0.34 100 In stock
0.626 in
Knurled
Reid Select
  • of 2
Thumb Screw Knob; Knurled, Red, Delrin

SLK-1R

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

SLK-400

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; Knurled, Black, Delrin

SLK-7

Price Range
$0.83 - $0.83

Stock Levels
107 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; Knurled, Black, Delrin

SLK-300

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

SLK-500

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, Gray, Delrin

SLK-600G

Price Range
$0.53 - $0.53

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, Gray, Delrin

SLK-500G

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, Black, Delrin

SLK-600

Price Range
$0.84 - $0.84

Stock Levels
307 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, Red, Delrin

SLK-500R

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, Red, Delrin

SLK-5R

Price Range
$0.55 - $0.55

Stock Levels
60 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, Red, Delrin

SLK-2R

Price Range
$0.48 - $0.48

Stock Levels
275 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, Yellow, Delrin

SLK-4Y

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, Black, Delrin

SLK-6

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, Gray, Delrin

SLK-5G

Price Range
$0.37 - $0.37

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

SLK-2

Price Range
$0.48 - $0.48

Stock Levels
96 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

SLK-4

Price Range
$0.48 - $0.48

Stock Levels
777 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

SLK-6Y

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; Knurled, Black, Delrin

SLK-700

Price Range
$0.53 - $0.53

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, Black, Delrin

SLK-200

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, Red, Delrin

SLK-4R

Price Range
$0.34 - $0.34

Stock Levels
100 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    83-98-902R
  • Base Diameter
    0.421 in
  • Knob Diameter
    0.626 in
  • Color
    Red