JB / T 4213-1996 fasteners cold heading die technical conditions Beijing Institute of Electrical and JB / T 7384.13-1994 fasteners self-tapping locking screw a circumscribed circle diameter gauge JB / T 7384.14-1994 wood screw threaded fastener trails caliper JB / T 7384.2-1994 fasteners countersunk head and countersunk head height test mode JB / T thickness test mode JB 7384.3-1994 fastener head and grooved support surface height between the / T 7384.4-1994 fastening member wrenching height test mode JB / T 7384.7-1994 Fasteners slot width plug JB / T 7384.8-1994 slotted fastener depth plug gauge 304 stainless steel self drilling screws, 304 stainless steel hose clamps securing SJ 2494-1984 piece Cross recessed oval head screws self-tapping threaded fastener SJ 2495-1984 SJ 2496-1984 fastener heat treated steel tapping screws - Mechanical properties of fasteners SJ 2497-1984 Cross recessed pan head self tapping screws SJ 2498-1984 Fasteners Cross recessed countersunk head self-tapping screw fastener SJ 2499-1984 Cross recessed countersunk head tapping screw fastener SJ 2500-1984 Cross recessed oval head self-tapping screw fastener SJ 2501-1984 Cross recessed pan flange head tapping screws stainless steel drilling screws Zibo drop-resistant screw screws, nuts Qingdao drop-resistant screw 316 screws, 316 stainless steel pan head Phillips screws. 304 drop-resistant screws hexagonal bolts screws, drop-resistant 316 Tai'an hoop screw screws, stainless steel screws, stainless steel slotted screws blind rivets, stainless steel studs sunshine drop-resistant screw screw screw drop-resistant screws _ _ Jinan Road ground from Jinan Daoqin Trading Limited. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) strong, credible, in Jinan, Shandong hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Road ground into the brilliant and you work for a better future!