Hex Socket Flat Head Screw

We are offering hex socket flat head screw etc.
1 material : alloy steel ,carbon steel
2 item no.: din7991
3 grade : 8.8.10.9.12.9
4 price will get the latest price
5 sample wiill be supplied if need
6 timely delivery
7 plate zinc and black
8 port: ningbo or shanghai
9 place of origin : zhejiang
10 packing: less than 25kgs bulk into carton, then on pallet or small box + carton + pallet
we are specialize in hex socket countersunk head screws and socket head cap screwsand
if you want to know more about our products,please do not hesitate to contact me,we will reply you upon received you feedback .