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Diameter 18mm Lead 4mm Lead Screw Tr18X4

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  • Tr18X4

  • ALM

  • 8483900090

Diameter 18mm Lead 4mm Lead Screw Tr18X4. Lead Screw Tr18 is a miniature trapezoidal lead screw type.The diameter of the trapezoidal lead crew is 18mm and the lead of the trapezoidal lead screw is 4mm. The trapezoidal lead screw pitch is 4mm.ALM spent 16 years of research in the screw manufacturing field and eventually became the industry leader.ALM will use technology expertise and long-lasting quality for the new and old customer service.

Screw material ASTM1045, SUS303, SUS304, SS316, SS316L
Nut material POM, Brass, Bronze, PTFE ,C45
Quality standard ISO2901-4, DIN103
Clearance 7e, higher precision is available up on request

lead screw

Linear lead screw

                             Thread type               Direction of thread
Code Meaning Code Meaning
Tr ISO trapezoidal thread(30°) RH Right Hand
A ACME thread(29°) LH Left Hand
M ISO Metric thread(60°) RL Bi-directional thread

FeatureNon self locking,High surface smoothness,low friction,good straightness

Application3D printer, CNC router, medical machine, Semiconductor and LCD Production Equipment, Machine Tools and Injection Molding Machines, Semiconductor Manufacturing Equipment, Laboratory Equipment etc..

Packing and Delivery:In cartons or wooden cases 

Sample order:DHL, FeDex, UPS VIP account with discount.So you can get favorable shipping freight.

Bulk order:Negotiated professional shipping agent by air or by sea.


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