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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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51 results
Product SKUs information
Item Code Price range Availability Knob Diameter Knob Style Special Offer Brand Compatible Screw Sizes View
$0.53 - $0.53 226 In stock
1.024 in
Knurled
Reid Select
$0.14 - $0.14 197 In stock
0.63 in
Knurled
Reid Select
$1.29 - $1.29 406 In stock
1.5 in
Lobed
Reid Select
$0.53 - $0.53 37 In stock
1.5 in
Lobed
Reid Select
$0.56 - $0.56 Request the lead time here
1.25 in
Wing
Reid Select
$0.48 - $0.48 997 In stock
0.500 in
Knurled
Reid Select
$1.19 - $1.19 Request the lead time here
1.5 in
Lobed
Reid Select
$0.56 - $0.56 Request the lead time here
1.25 in
Wing
Reid Select
$0.48 - $0.48 96 In stock
0.374 in
Knurled
Reid Select
$0.56 - $0.56 40 In stock
1.181 in
Wing
Reid Select
$0.33 - $0.33 333 In stock
1.00 in
Wing
Reid Select
$0.29 - $0.29 125 In stock
0.311 in
Knurled
Reid Select
$0.48 - $0.48 1387 In stock
0.626 in
Knurled
Reid Select
$0.30 - $0.30 Request the lead time here
0.311 in
Knurled
Reid Select
$0.15 - $0.15 51 In stock
0.748 in
Knurled
Reid Select
$0.53 - $0.53 Request the lead time here
1 in
Knurled
Reid Select
$0.37 - $0.37 Request the lead time here
0.752 in
Knurled
Reid Select
$0.83 - $0.83 107 In stock
1 in
Knurled
Reid Select
$1.29 - $1.29 2010 In stock
1.496 in
Lobed
Reid Select
$1.19 - $1.19 228 In stock
1.496 in
Lobed
Reid Select
  • of 3
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-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; Lobed, Black, Delrin

SLK-10

Price Range
$1.29 - $1.29

Stock Levels
406 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

SLK-9

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

SLK-12Y

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

SLK-3R

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; Lobed, Red, Delrin

SLK-8R

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

SLK-12R

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

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; Wing, Black, Delrin

SLK-1200

Price Range
$0.56 - $0.56

Stock Levels
40 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

SLK-11

Price Range
$0.33 - $0.33

Stock Levels
333 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

SLK-1

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

SLK-4

Price Range
$0.48 - $0.48

Stock Levels
1387 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

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, 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, 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, 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-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; Lobed, Black, Delrin

SLK-1000

Price Range
$1.29 - $1.29

Stock Levels
2010 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

SLK-900

Price Range
$1.19 - $1.19

Stock Levels
228 In stock
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    83-98-935B
  • Base Diameter
    0.63 in
  • Knob Diameter
    1.496 in
  • Color
    Black