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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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9 results
Product SKUs information
Item Code Price range Availability Knob Diameter Knob Style Special Offer Brand Compatible Screw Sizes View
$0.33 - $0.33 258 In stock
1.00 in
Wing
Reid Select
$0.56 - $0.56 264 In stock
1.25 in
Wing
Reid Select
$0.65 - $0.65 Request the lead time here
1.50 in
Wing
Reid Select
$0.48 - $0.48 Request the lead time here
1.024 in
Wing
Reid Select
$0.56 - $0.56 Request the lead time here
1.25 in
Wing
Reid Select
$0.48 - $0.48 39 In stock
1.00 in
Wing
Reid Select
$0.56 - $0.56 Request the lead time here
1.25 in
Wing
Reid Select
$0.56 - $0.56 65 In stock
1.181 in
Wing
Reid Select
$0.18 - $0.18 52 In stock
1.496 in
Wing
Reid Select
Thumb Screw Knob; Wing, Black, Delrin

SLK-11

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; Wing, Black, Delrin

SLK-12

Price Range
$0.56 - $0.56

Stock Levels
264 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

SLK-13

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; Wing, Black, Delrin

SLK-1100

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

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; Wing, Red, Delrin

SLK-11R

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

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; Wing, Black, Delrin

SLK-1200

Price Range
$0.56 - $0.56

Stock Levels
65 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-1300

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