H.J TECH INDUSTRY LIMITED
H.J TECH INDUSTRY LIMITED
Professional and faithful Metal products Manufacturer & Exporter
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Flat Washer
Sealing Washer
Circlip,Retainer Ring
High Tensile Washer
Spring Washers
Tooth Lock Washers
customer part
spring nut
IFI/USA Standard Washers
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About Us
H.J Tech Industry  Has Grown To Become A  Professional  Washers,Pipe Clamps,Funuture Reinforcements,Construction Brackets,Stamping Parts Manufacturer  in China.
Quality

H.J Tech Industry is certificated according to the ISO 9001:2000 since 2005 and the Production Process Controls:
At the entrance;
During the production;
At the end of the process;
Also  many kinds of quality tests are supported.

News
spring and locking washers
( Updated: )

Lock washers are used to resist loosening of bolted joints. There are essentially two types: spring action and tooth.

Spring action lock washers include split (helical spring), which are also called spring washers. These washers, placed under the nut or screw head, compress as the fastener is tightened and the spring-back tension deters loosening.

Tooth lock washers—internal, external, internal-external and countersunk external—create a ratchet action by biting into the nut or screw head and the surface it contacts. Despite their widespread usage, tooth lock washers can scratch mating surfaces.

Hi-Collar Lock Washers,Lock Set Pair Lock Washers,Split Lock Washers,Countersunk External Tooth Lock Washers,External Tooth Lock Washers,Internal Tooth Lock Washers,Internal-External Tooth Lock Washers are lock washers.

Address:No.817 Jinyang Road,Jiashan County,Jiaxing City,China Phone:+86-573-84297069 Fax:+86-573-84297068
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