Lead Screws

Lead screws, often referred to as power screws, are very similar to traditional screws but feature a continuously threaded shaft without a drive head at one end. Lead screws are commonly made from carbon steel, stainless steel or aluminium and can be found in a wide range of lengths and diameters to meet almost any need. Lead screws are used in motion control to translate turning or rotating movements into a smooth and consistent linear motion.

How do lead screws work?

Lead screws enable smooth, precise, movement and are often preloaded with an axial load that enables consistent contact between the nuts and screw filets. The screw threads require a large area of sliding contact between the external male threads and internal female threads. As the lead screw turns or rotates on a machine, the attached threaded hole from the nut moves along the screw in a linear motion.

These nuts are typically made from plastic or bronze and sometimes feature the addition of a PTFE type coating, this protects the screws and provides additional lubrication for the nut for prolonged life.

Lead screws are available in various diameters and lengths with a range of different pitches or lead dependent upon your application. Different pitches enable different travel speeds to ensure you can create the perfect solution for any application. These screws are widely used in lab testing equipment such as sampling and scanning as well as within the biomedical industry, clinical and hospital equipment.


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Description Price Lead Size Shaft Diameter Shaft Length Priced to Clear
RS Stock No. 885-4947
Mfr. Part No.DST-LS-6.35x2.54-R-300-ES
BrandIgus
£17.48
Each
Units
2.54mm 6.35mm 300mm -
RS Stock No. 885-5029
Mfr. Part No.DST-LS-10x25-R-1000-ES
BrandIgus
£55.52
Each
Units
25mm 10mm 1000mm -
RS Stock No. 885-4959
Mfr. Part No.DST-LS-10x12-R-300-ES
BrandIgus
£25.08
Each
Units
12mm 10mm 300mm -
RS Stock No. 885-5025
Mfr. Part No.DST-LS-10x12-R-1000-ES
BrandIgus
£54.10
Each
Units
12mm 10mm 1000mm -
RS Stock No. 885-5031
Mfr. Part No.DST-LS-10x50-R-1000-ES
BrandIgus
£68.71
Each
Units
50mm 10mm 1000mm -
RS Stock No. 885-4984
Mfr. Part No.DST-LS-10x12-R-500-ES
BrandIgus
£36.72
Each
Units
12mm 10mm 500mm -
RS Stock No. 885-4987
Mfr. Part No.DST-LS-10x25-R-500-ES
BrandIgus
£37.47
Each
Units
25mm 10mm 500mm -
RS Stock No. 885-5007
Mfr. Part No.DST-LS-6.35x2.54-R-1000-ES
BrandIgus
£30.57
Each
Units
2.54mm 6.35mm 1000mm -
RS Stock No. 885-4956
Mfr. Part No.DST-LS-6.35x25.4-R-300-ES
BrandIgus
£18.11
Each
Units
25.4mm 6.35mm 300mm -
RS Stock No. 885-4962
Mfr. Part No.DST-LS-10x50-R-300-ES
BrandIgus
£20.28
Each
Units
50mm 10mm 300mm -
RS Stock No. 885-4971
Mfr. Part No.DST-LS-6.35x2.54-R-500-ES
BrandIgus
£24.05
Each
Units
2.54mm 6.35mm 500mm -
RS Stock No. 885-5053
Mfr. Part No.DST-LS-16x35-R-1000-ES
BrandIgus
£103.54
Each
Units
35mm 16mm 1000mm -
RS Stock No. 885-4981
Mfr. Part No.DST-LS-10x50-R-500-ES
BrandIgus
£27.66
Each
Units
50mm 10mm 500mm -
RS Stock No. 885-5019
Mfr. Part No.DST-LS-6.35x25.4-R-1000-ES
BrandIgus
£27.61
Each
Units
25.4mm 6.35mm 1000mm -
RS Stock No. 885-4990
Mfr. Part No.DST-LS-14x25-R-500-ES
BrandIgus
£51.94
Each
Units
25mm 14mm 500mm -
RS Stock No. 885-5044
Mfr. Part No.DST-LS-14x25-R-1000-ES
BrandIgus
£79.99
Each
Units
25mm 14mm 1000mm -
RS Stock No. 885-4975
Mfr. Part No.DST-LS-6.35x25.4-R-500-ES
BrandIgus
£14.89
Each
Units
25.4mm 6.35mm 500mm -
RS Stock No. 885-5041
Mfr. Part No.DST-LS-14x30-R-1000-ES
BrandIgus
£39.18
Each
Units
30mm 14mm 1000mm Yes