Our company is a manufacture located in Shanghai, China. We can supply all kinds of bolts nuts and washers. If you are interested, pls feel free to contact us.

(1) Bolt
Standard: DIN558/601/931/933, A(American Standard)10-2/5
Finishes: Material: steel.
Surface color: black; zinc plated; yellow zinc; dichromate and hot-dip galvanized.
Grades: 10.9, 8.8, 6.8, 5.8, 4.8
Dimensions: available in diameters of M3 to M20 and lengths of 6mm to 150mm


(2) Washer

Special washer: According to drawings and the customer’s requirement.
DIN6797,DIN6798-A,DIN6798-I,AS1252,Rhombus washers
Flat washer: standard:DIN125A,DIN125B, ASTM F436, DIN1441, DIN433, JIS1256,DIN9021,DIN440,DIN7989,DIN126,DIN6916,DIN7349,DIN436,NFE-25513,USS,UAE,BS4320 TYPE A,B,C,D,E,F,G ETC.
Square washers: DIN434, DIN435, DIN436
Finishes: Material: steel./stainless steel
Surface color: plain; black; zinc plated; yellow zinc; dichromate and hot-dip galvanized, chrome plated, hardened.
Size: all sizes

(3)Spring washer
According to drawings and the customer’s requirement.
Standard: DIN127B,DIN7980,JIS1251,IFI K-13
Finishes: Material: steel./stainless steel
Surface color: plain; black; zinc plated; yellow zinc; dichromate and hot-dip galvanized, chrome plated, hardened.

(4) Nut
Standard: DIN934, ANSI B18.2.2 etc.
Finishes: Material: steel.
Surface color: black; zinc plated; yellow zinc; dichromate and hot-dip galvanized.