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Tr16x4 Right Hand Thread Trapezoidal Lead Screw

16mm lead screw
4mm pitch
MOQ:1 pc
Fast delivery:5~10 days
  • Tr16x4RH

  • ALM

  • 8483900090

Tr16x4 Right Hand Thread Trapezoidal Lead Screw

tr16x4 leadscrew

Model no:Tr16x4

Diameter:16mm, pitch 4mm, single start


Nut material:brass

Customized nuts and end machining are available upon drawing

ALM Quality standard: ISO2901-2016 ,DIN103,GB/T5796-1-2005

Clearance: 7e

Materials and Processes

All Trapezoidal lead screws, 45 mm in diameter and larger, are made of special quality medium carbon steel. Screws smaller than 45 mm are made from special quality low carbon steel. Alternate screw materials are 304 type stainless steel, alloy steels, high machinability grades of carbon steel and aluminum alloys.

Trapezoidal lead screws are cold formed using a unique, highly accurate thread rolling process which guarantees a smooth, high quality thread. ALM's thread rolling process eliminates the interrupted grain flow of conventional cut threads, thereby increasing yield, ultimate, and fatigue strengths.

Transmission Screw thread types

  Thread   Types                                                 Features
Trapezoidal   thread T ISO Trapezoldal Thread:For transmission and posltion adjustment, wldely used   In the
    mechanical Industry.
Metric thread M ISO Metric Thread (60° ):The most common form of thread used for fastening   and
    precislon transmission.
ACME thread English threads can also be used for fastening connectlons,but not for high accuracy
Round thread Wlth the same arc thread as ball screw, the transmission is smoother.
Goethe thread Gothic double arc thread,drawing the advantages of ball screw, is the new products.
Reclprocating   thread X Reclprocating thread:A screw that makes the slldle block reclprocate without   changing the rotation direction of the spindle.

Trapezoidal lead screws and nuts are widely used and well suited for both manual and power drive applications including:

Pharmaceutical machinery

Packaging machinery

Slide drives

Metric valve stems

Medical device drives

Farm machinery

Screw press drives


lead screw catalog.pdf

To learn more about lead screws,pls email us to get more files.

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


Technical support

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


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