BS 4168-1-1981
Metric hexagon socket cap head screws
BS 4168-1-1981
Metric hexagon socket knurled heads cap screws
BS 2470-2A-1973
UN hexagon socket plain heads cap screws-Table 2A
BS 2470-2B-1973
BS hexagon socket plain heads cap screws-Table 2B
BS 2470-3-1973
UN hexagon socket countersunk head screws-Table 3
BS 2470-4-1973
UN hexagon socket button head screws-Table 4
BS 2470-2A-2004
UN hexagon socket plain heads cap screws-Table 2A
BS 2470-2A-2012
UN hexagon socket plain heads cap screws-Table 2A
BS 2470-2A-2017
UN hexagon socket plain heads cap screws-Table 2A
BS 2470-2B-2004
BS hexagon socket plain heads cap screws-Table 2B
BS 2470-2B-2012
BS hexagon socket plain heads cap screws-Table 2B
BS 2470-2B-2017
BS hexagon socket plain heads cap screws-Table 2B
BS 2470-3-2004
UN hexagon socket countersunk head screws-Table 3
BS 2470-3-2012
UN hexagon socket countersunk head screws-Table 3
BS 2470-3-2017
UN hexagon socket countersunk head screws-Table 3
BS 2470-4-2004
UN hexagon socket button head screws-Table 4
BS 2470-4-2012
UN hexagon socket button head screws-Table 4
BS 2470-4-2017
UN hexagon socket button head screws-Table 4
BS 4168-6-1982
Metric hexagon socket button head screws
BS 4168-6-2013
Metric hexagon socket button head screws
