Thumb Screws

A thumb screw is a screw that is designed to be tightened and loosened by hand without the use of any tooling. The head of the thumb screw is knurled to provide extra grip and prevent slippage when tightening and loosening. The head diameter is large for ease of use and also provides a high degree of rotational accuracy.
Types of Thumb Screws
Thumb screws can be made from a range of materials including steel, brass, nylon and resin. A range of thread sizes and lengths are also available.
Applications
Thumb screws are ideal for use in machine and computer applications where there is restricted space and fastening tools cannot be used.

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Description Price Head Shape Thread Length Thread Size Metric Material Finish
RS Stock No. 664-4858
Mfr. Part No.KS M4X8
£10.09
1 Bag of 10
Bag(s)
Round Knurled 8mm M4 Brass Nickel Plated
RS Stock No. 664-4912
Mfr. Part No.KSUH NO.3 M5X15 White
£16.81
1 Bag of 50
Bag(s)
Round Knurled 15mm M5 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4637
Mfr. Part No.KS M3X6
£5.61
1 Bag of 10
Bag(s)
Round Knurled 6mm M3 Brass Nickel Plated
RS Stock No. 664-4631
Mfr. Part No.KS M3X10
£6.72
1 Bag of 10
Bag(s)
Round Knurled 10mm M3 Brass Nickel Plated
RS Stock No. 664-4851
Mfr. Part No.KS M4X15
£13.43
1 Bag of 10
Bag(s)
Round Knurled 15mm M4 Brass Nickel Plated
RS Stock No. 664-4924
Mfr. Part No.KSUH No.1 M4X10 Black
£3.83
1 Bag of 50
Bag(s)
Round Knurled 10mm M4 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4892
Mfr. Part No.KSUH NO.1 M3X10 White
£5.50
1 Bag of 50
Bag(s)
Round Knurled 10mm M3 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4937
Mfr. Part No.KSUH No.2 M4X10 Black
£8.39
1 Bag of 50
Bag(s)
Round Knurled 10mm M4 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4909
Mfr. Part No.KSUH NO.2 M4X10 White
£8.56
1 Bag of 50
Bag(s)
Round Knurled 10mm M4 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4918
Mfr. Part No.KSUH NO.3 M5X10 White
£16.81
1 Bag of 50
Bag(s)
Round Knurled 10mm M5 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4870
Mfr. Part No.KSS M5X10
£14.57
1 Bag of 10
Bag(s)
Round Knurled 10mm M5 Brass Nickel Plated
RS Stock No. 664-4861
Mfr. Part No.KSS M4X10
£10.65
1 Bag of 10
Bag(s)
Round Knurled 10mm M4 Brass Nickel Plated
RS Stock No. 664-4895
Mfr. Part No.KSUH NO.1 M3X16 White
£8.39
1 Bag of 50
Bag(s)
Round Knurled 16mm M3 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4864
Mfr. Part No.KSS M3X15
£9.52
1 Bag of 10
Bag(s)
Round Knurled 15mm M3 Brass Nickel Plated
RS Stock No. 664-4899
Mfr. Part No.KSUH NO.2 M4X8 White
£8.39
1 Bag of 50
Bag(s)
Round Knurled 8mm M4 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4855
Mfr. Part No.KSS M3X10
£7.28
1 Bag of 10
Bag(s)
Round Knurled 10mm M3 Brass Nickel Plated
RS Stock No. 664-4883
Mfr. Part No.KSUH NO.1 M3X8 White
£8.39
1 Bag of 50
Bag(s)
Round Knurled 8mm M3 Steel, Yuliya Resin Chrome Plated
RS Stock No. 664-4889
Mfr. Part No.KSUH NO.1 M3X6 White
£5.61
1 Bag of 50
Bag(s)
Round Knurled 6mm M3 Steel, Yuliya Resin Chrome Plated