DIN933: M5-M20 (cold Forging); M22-M76 (hot Forging).
Mar 09, 2009
We mainly provide Hex bolts and hex socket screw fastener.
Such as:
Material: Alloy steel, stainless steel.
Products:DIN931/ 933 DIN7991/ 912, ISO7380, DIN7981/ 7982/ 84/ 965/ 7985, Machine screws, self tapping screws, set screws, Socket Head.....
Ningbo Qunli Fastener Manufacturer Co., Ltd.