Lead Screws - Screws & Shafts

Lead screws, also known as power screws, are bars of lead with a thread, similar to a traditional screw but without a head. They are used in motion control to translate turning or rotating movements into a linear motion.

How do they work?
They sometimes work alongside nuts, a type of fastener that features a threaded hole. The threaded hole twists onto the lead screw thread. As the lead screw turns or rotates, the nut moves along the screw in a linear motion.
Lead screws are available in various diameters and lengths, with a range of different pitches or lead

Types of thread:
• Trapezoidal thread
• Square thread
• Acme thread
• Sharp thread
• Buttress thread
• Knuckle thread
• Course thread
• Diamond thread

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Description Price Lead Size Shaft Diameter Shaft Length
RS Stock No. 862-5284
BrandRS PRO
SGD31.32
Each
units
3mm 14mm 1000mm
RS Stock No. 885-4987
Mfr. Part No.DST-LS-10x25-R-500-ES
BrandIgus
SGD74.73
Each
units
25mm 10mm 500mm
RS Stock No. 862-5317
BrandRS PRO
SGD226.79
Each
units
4mm 20mm 1000mm
RS Stock No. 885-4962
Mfr. Part No.DST-LS-10x50-R-300-ES
BrandIgus
SGD40.43
Each
units
50mm 10mm 300mm
RS Stock No. 885-4956
Mfr. Part No.DST-LS-6.35x25.4-R-300-ES
BrandIgus
SGD36.10
Each
units
25.4mm 6.35mm 300mm
RS Stock No. 885-5041
Mfr. Part No.DST-LS-14x30-R-1000-ES
BrandIgus
SGD129.63
Each
units
30mm 14mm 1000mm
RS Stock No. 862-5281
BrandRS PRO
SGD24.39
Each
units
3mm 12mm 1000mm
RS Stock No. 885-4990
Mfr. Part No.DST-LS-14x25-R-500-ES
BrandIgus
SGD103.57
Each
units
25mm 14mm 500mm
RS Stock No. 862-5301
BrandRS PRO
SGD90.33
Each
units
3mm 12mm 1000mm
RS Stock No. 885-4959
Mfr. Part No.DST-LS-10x12-R-300-ES
BrandIgus
SGD50.01
Each
units
12mm 10mm 300mm
RS Stock No. 885-4984
Mfr. Part No.DST-LS-10x12-R-500-ES
BrandIgus
SGD73.22
Each
units
12mm 10mm 500mm