Q 140-1999
Hexagon head bolts and plain washer assemblies
Q 141-1999
Hexagon head bolts and conical spring washers assemblies
Q 142-1999
Hexagon head bolts and spring washer assemblies
Q 144-1999
Hexagon head bolt and external teeth serrated lock washer assemblies
Q 146-1999
Hexagon head bolts, spring and plain washer assemblies
Q 220-1999
Type H cross recessed pan head tapping screws and plain washer assemblies-type A-type F
Q 220-1999
Type H cross recessed pan head tapping screws and plain washer assemblies-type A-type C
Q 221-1999
Type H cross recessed pan head tapping screw and large plain washer assemblies-type A-type C
Q 221-1999
Type H cross recessed pan head tapping screw and large plain washer assemblies-type A-type F
Q 230-1999
Cross recessed pan head screws and plain washers assemblies
Q 232-1999
Cross recessed pan head screws and spring washers assemblies
Q 234-1999
Cross recessed pan head screws and external teeth serrated lock washers assemblies
Q 236-1999
Cross recessed pan head screws, plain and spring washers assemblies
Q 240-1999
Cross recessed countersunk head screw and countersunk serrated lock washer assemblies
Q 242-1999
Cross recessed raised countersunk head screw and countersunk serrate lock washer assemblies
Q 141-1999
Hexagon head bolts and large conical spring washers
QC/T 600-1999
Hexagon head bolts and conical spring washers assemblies
QC/T 600-1999
Hexagon head bolts and large conical spring washers
Q 140B-2012
Hexagon head bolts and plain washer assemblies
Q 140B-2012
Hexagon head bolts and large plain washer assemblies