Washer: 
Fender Washers
SAE & USS Flat Washers
spring washer
square washer
Split Lock Washers
Hardened Flat Washers





Located in jiaxing city,zhejiang province. Close to shanghai. Since 2004, Jiaxing Sini Fastener Co.,ltd, is a Standard and customized fasteners exporter and manufacturer .  Jiaxing Sini Fastener got shares in Xinyuan fastener factory  which specialized in bolts in 2009  and shares in shenli fastener factory which specialized in nuts in 2010, We became partner of Lianyungang pingxin fastener co.,ltd in 2017.
Jiaxing Sini Fastener Co.,ltd has been providing bolts and customized stamping parts to a wide range of industries throughout North America, South America , Europe and the Middle East.

Mainly Product:

BOLT :  din933, din931,  din7990, din6922,
Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect
Rod :     threaded rod din976, threaded bar din975 stud bolt, B7 stud bolt ect
Nut  :        din934, hex heavy hex nut,  flange bolt, cap nut, nylon nut, ect
Screw  hex screw, self drilling screw, self tapping screw, drywall screw, pan head screw, button head screw, machine screw, wood screw, ect
washer  :flat washer, spring washer, lock washer,square washer,spring lock washer, plain washer ect

Our products are welcomed around the world, and got good feedback and reputation from our clients. Sincerely hope our professional service is able to win your heart and get your orders.