Metric Shoulder Screw
Metric shoulder bolts
Metric Socket shoulder screws also called shoulder bolts or stripper bolts have an internal hexagon drive are also known as shoulder bolts and in America as stripper bolts. They are a high grade 12.9 screw with an integral shoulder between the head and thread. Metric shoulder screws are produced to three different standards with only minor differences between them.
Metric Coarse Hexagon Socket Shoulder Screw f9 Grade-12.9 ISO7379f9
Metric Coarse Hexagon Socket Shoulder Screw f9 Grade-12.9 B18.3.3M
Metric Coarse Hexagon Socket Shoulder Screw f9 Grade-12.9 BS4168
Metric Coarse Hexagon Socket Shoulder Screw H8 Grade-12.9 ISO7379H8
Metric Coarse Hexagon Socket Shoulder Screw f9 Stainless-Steel-A2 ISO7379f9
Metric Coarse Hexagon Socket Shoulder Screw f9 Stainless-Steel B18.3.3M