DIN934 HEX NUT (China)

Established in 1983,Ningbo Donghai Fastener Manufacturing Co.,LTD was orginally a state-owned factory.In 1992,the company was reformed into a joint-venture enterprise.In 2003,the company was awarded ISO9001:2000Icertificate.

The company now covers an area of 18000 square meters and is planning to buy another 20000 square meters to build a new factory.There are totally 230 experienced employees,which inlude 22 highly skilled technicians and inspectors who have all been in fastener line more than 5 years.Besides,the company has whole sets of testing equipments,such as hardometer,Impact Test Machine,Tensile Strength Testing Machine and Axial Power Tightening Machine and so on,which safeguard our quality stable.The productivity annually reaches 15000 tons.



Main Products

The main products we supply are as follows:

Hexagonal Bolt BOLT:



DIN933/931 HEX BOLT,DIN960/961 HEX BOLT,DIN6914 HEAVY STRUCTURAL BOLT,DIN603 CARRIAGE BOLT,A325/490 HEAVY STRUCTURAL BOLT,FINISHED HEX BOLT

Hexagonal Nut NUT:

ASTM A94/194M SERIES HEAVY HEX NUT,A563/A563M HEAVY HEX NUT,FINISHED HEX NUT,DIN6915 HEX NUT,UNI5587 HEX NUT,DIN934 H=D HEAVY HEX NUT

Threaded Bar STUD BOLT:

A193 B7/B16/B7M STUD BOLT,A320 L7 STUD BOLT,DIN976 THREADED BAR.

Washer WASHER:

DIN125 FLAT WASHER,DIN127 SPRING WASHER,F436 HARDEN WASHER