Q 277-1999
Type H cross recessed raised countersunk head tapping screws-type A-type F
Q 276-1999
Type H cross recessed raised countersunk head tapping screws-type A-type C
Q 292-1999
Cross recessed round head wood screws
Q 294-1999
Cross recessed raised countersunk head wood screws
Q 296-1999
Cross recessed countersunk head wood screws
Q 178-2012
Hexagon flange surface self-debris removal bolts with T-thread
QC/T 853-2011
Hexagon flange surface self-debris removal bolts with T-thread
Q 200-2012
Hexagon flange head drilling screw with tapping screw thread
Q 202-2012
6-Lobe pan head self drilling screws with tapping screw thread
Q 203-2012
6-Lobe 90°flat head self drilling screws with tapping screw thread
Q 204-2012
6-Lobe 90°oval head self drilling screws with tapping screw thread
Q 209-2012
Hexagon head self-drilling and tapping screws with collar
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 260-2012
6-Lobe cheese head thread rolling screws
Q 261-2012
Hexagon head thread forming screws
Q 262-2012
Cross recessed pan head thread forming screws
Q 263-2012
Cross recessed countersunk head thread forming screws
Q 264-2012
Cross recessed raised countersunk head thread forming screws
Q 270-2012
Type H hexagon flange head tapping screws-type A-type C
