DIN**7B 
1) Size: M3 to M*6, No. 6 to **1/2" 
2) Standard of spring washers: DIN**7, JIS B***1 
Feature: 
1) Size: M3 to M*6, No. 6 to **1/2" 
2) Standards of spring washers: DIN**7, JIS B***1 & IFI L*9 
3) Material: *0C, SUS**4 & SUS**6 
Outer packing: Carton or poly bag + Pallet 

Our Spring Washers: 

1. Material: Stainless steel**1 **4 **6 etc, carbon steel *0# etc 
2. Standard: 
A. ANSI AMSE. B *8.*1.1 etc, size from NO. 4 to 3" 
B. DIN**7B, DIN***0, size from M*-M*2, DIN**8B, DIN***5, size from M*-M*0 
C. BS***2, size from 1/8"***1/2" 
D. JIS*2, size from M*-M*6 
E. GB****6, GB****7 size from M*-M*4, GB*****6, GB*****7, size from M*-M*4, gb******7 heavy type, size from M*-M*8, GB***5, GB***6, GB***4, ETC 
3. Surface: Galvanized, oxide, plain, black etc. 
4. Use: For fastening, waterproof, etc 
5. Packing: 5kg/1kg/bag, then in carton, or bulk in carton then in pallet or according to customers' request 
*5kg/ctn, usually **0kg/palletc.

6.main market: Italy,England,Russia,Turkey,America,Canada,Brazil, Argentina,Peru,Ecuador,South Africa, Australia, New Zealand, Iran, etc