Countersunk screw ISO 10642 / DIN 7991, M 5x50, head 10 mm, hex socket 3 mm, steel 10.9, zinc-plated

This screw to ISO 10642 and DIN 7991 sits recessed in the hole with its countersunk head of 10 mm diameter and 3.1 mm height and leaves no edge in the way. Thread M 5, length 50 mm and socket width 3 mm govern the choice. The material is zinc-plated steel, property class 10.9.

Benefits

• head diameter 10 mm and head height 3.1 mm to ISO 10642, matching the standard counterbore
• hexagon socket with 3 mm width across flats for a high tightening torque in a tight space
• thread M 5 over 50 mm of shank length
• thread length at least 22 mm to DIN 7991
• property class 10.9 with a zinc-plated surface
• a flush finish, at 3.1 mm head height no edge is left standing above the joint

Applications

The screw is called for in jig and tool making, on guide strips and wherever something still has to slide or rest on the bolted surface.

Standards and conformity

The screw is made to ISO 10642 and DIN 7991. The material is stated as property class 10.9.