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Diameter 6.7mm Lead 4mm Lead Screw Tr6.7X4

Rich experience
customized service
Integrity management
Professional technical team
  • Tr6.7X4

  • ALM

  • 8483900090

Diameter 6.7mm Lead 4mm Lead Screw Tr6.7X4. Lead Screw Tr6.7 is a miniature trapezoidal lead screw type.The diameter of the trapezoidal lead crew is 6.7mm and the lead of the trapezoidal lead screw is 4mm. The trapezoidal lead screw pitch is 1.5mm.ALM is an innovative technology manufacturing company. With the spirit of sincerity, hard work and innovation, ALM has gradually become a leading company in the industry.

Tr6.7x4 lead screw

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 actuator


What is the lead and pitch of lead screw?


Lead and pitch

ALM's lead screw manufacturing technology:

Left hand and right hand thread lead screw

lead screw processing technology

ALM lead screw production tolerance

ALM lead screw tolerance sheet

Available Material for screwASTM1045, SUS303, SUS304, SS316, SS316L

Material for nutBrass, Tin bronze, Phosphor bronze, Aluminum bronze, POM, PEEK, nylon, POK, Stainless steel, 1045, Zinc alloy, Brass+Plastic, Aluminum alloy+Plastic, Brass+Steel, Self lubricating(No oil type)

Quality standardISO2901-4, DIN103


A broad range of lead nuts are available,other nut type or size can be made upon drawing

Lead nut

Part of ALM standard models:

lead screw list

lead screw list 2

Other models are available upon drawing

ALM lead screw Feature: Self locking, High surface smoothness, low friction, good straightness, flexible production

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

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.

Contact us for a quote now!

Lead screw workshop

ALM possesses factory occupying 8000 square meters with 120 employees.Among which,more than 30 professional technical engineers in lead screws,ball screws and the mating linear motion parts. 

All factory key manufacturing and testing equipments are imported from Japan, like CNC lathe, internal and external high-precision grinder, screw grinding machine, etc. ALM has passed the ISO9001:2015 and TS16949 Quality Management System. 

The R&D achievements over many years bring the company more than 25 national patents on lead screw and ball screw design.

Production technology

Quality testing facilities

Quality testing





 No 1998 Jinfeng south road,Wuzhong district,Suzhou China.


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