Regular Helical Spring Lock Washer – ASTM B18.21.1
Product: Regular Helical Spring Lock Washer
Standard: ASTM B18.21.1
Material: Steel/Stainless Steel
Finish: ASTM F1941
Package: Box(Plastic Bag)/Neutral Carton/Fumigation Pallet
![](https://www.bscmetal.com/wp-content/uploads/6.png)
![](https://www.bscmetal.com/wp-content/uploads/ASME-弹垫-01.jpg)
Product: Regular Helical Spring Lock Washer
Standard: ASTM B18.21.1
Material: Steel/Stainless Steel
Finish: ASTM F1941
Package: Box(Plastic Bag)/Neutral Carton/Fumigation Pallet