Menu Search

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
Hide Show Filters
52 results
Product SKUs information
Item Code Price range Availability Knob Diameter Knob Style Special Offer Brand Compatible Screw Sizes View
$0.48 - $0.48 600 In stock
0.378 in
Knurled
Reid Select
$0.48 - $0.48 100 In stock
0.626 in
Knurled
Reid Select
$0.15 - $0.15 30 In stock
0.752 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
$80.30 - $126.19 2 In stock
Knurled, Lobed, Wing
Reid Select
$1.29 - $1.29 Request the lead time here
1.5 in
Lobed
Reid Select
$0.48 - $0.48 39 In stock
1.00 in
Wing
Reid Select
$0.48 - $0.48 106 In stock
0.374 in
Knurled
Reid Select
$0.40 - $0.40 Request the lead time here
0.626 in
Knurled
Reid Select
$0.55 - $0.55 100 In stock
0.752 in
Knurled
Reid Select
$0.18 - $0.18 42 In stock
1.496 in
Wing
Reid Select
  • of 3
Thumb Screw Knob; Knurled, Black, Delrin

SLK-200

Price Range
$0.48 - $0.48

Stock Levels
600 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
$0.48 - $0.48

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
Thumb Screw Knob; Knurled, Yellow, Delrin

SLK-5Y

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, 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, Lobed, Wing, Black, Delrin

SLK-280

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; Lobed, Yellow, Delrin

SLK-10Y

Price Range
$1.29 - $1.29

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    83-98-909Y
  • Base Diameter
    0.705 in
  • Knob Diameter
    1.5 in
  • Color
    Yellow
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; Knurled, Black, Delrin

SLK-2

Price Range
$0.48 - $0.48

Stock Levels
106 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, Gray, Delrin

SLK-4G

Price Range
$0.40 - $0.40

Stock Levels
Request the lead time here
Attributes
  • Brand
    Reid Select
  • Manufacturer Part Number
    83-98-902G
  • Base Diameter
    0.421 in
  • Knob Diameter
    0.626 in
  • Color
    Gray
Thumb Screw Knob; Knurled, Red, Delrin

SLK-5R

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; Wing, Black, Delrin

SLK-1300

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