Q 214-2012
Pan head screws with type H cross recess
Q 215B-2012
6-Lobe pan head screws
QC/T 855-2011
6-Lobe pan head screws
Q 218B-2012
Hexagon socket head cap screws
Q 271-2012
Type H cross recessed pan head tapping screws and plain washer assemblies-type A-type C
Q 272-2012
Type H cross recessed pan head tapping screws and plain washer assemblies-type A-type F
Q 220B-2012
Type H cross recessed pan head tapping screws and plain washer assemblies-type A-type C
Q 220B-2012
Type H cross recessed pan head tapping screws and plain washer assemblies-type A-type F
Q 221B-2012
Type H cross recessed pan head tapping screws and large plain washer assemblies-type A-type C
Q 221B-2012
Type H cross recessed pan head tapping screws and large plain washer assemblies-type A-type F
Q 230B-2012
Cross recessed pan head screws and plain washers assemblies
Q 232-2012
Cross recessed pan head screws and spring washers assemblies
Q 234-2012
Cross recessed pan head screws and external teeth serrated lock washers assemblies
Q 236B-2012
Cross recessed pan head screws, plain and spring washers assemblies
Q 254-2012
Countersunk flat head screws cross recess
Q 240-2012
Cross recessed countersunk head screw and countersunk serrated lock washer assemblies
Q 256-2012
Cross recessed raised countersunk head screws
Q 242-2012
Cross recessed raised countersunk head screw and countersunk serrate lock washer assemblies
Q 250-2012
Hexagon socket countersunk head screws
Q 257B-2012
6-Lobe 90° oval head screws
