Hex Socket Button Head Cap Screw

We are offering hex socket button head cap screw etc. 1.item no.: iso7380 ,hex socket button head screws 2.material : alloy steel ,carbon steel 3.port : ningbo /shanghai 4.origin of place : zhejiang 5.packing :25kg for carton bulk, then pallets 6.size : m3------m56 7.material : carbon steel 8.thread: unc, unf, and bsw 9.grade : 4,6,8 10.colour : plain,yellow zinc-plated,black 11.packing:25 kg carton bulk, then pallets or packing according to customers if you want to know more about our products,please contact us,we will reply you upon received your feedback.