1 ISO9001:2008 and ROSH 2 CIF price 0.001-1 usd 3 Custom product 4 Delivery time:10-20 days 5 MOQ:500 pieces Specification1.Thread type: machine thread, triangle thread, metric thread, tapping thread, drilling thread, half thread, full thread etc.2.Head type: Hexagon head, Mushroom head, Pan head, Countersunk head, Bugle head, Oval head, Hex flange head, Button head, Triangular head , Round head, ...