Countersunk screw ISO 10642 / DIN 7991, M 8x45, head 16 mm, hex socket 5 mm, steel 10.9, plain

Where a bolted joint has to stay flat, the countersunk screw to ISO 10642 and DIN 7991 works with thread M 8 and 45 mm length. The head measures 16 mm across and 5.0 mm in height, the hexagon socket has a width across flats of 5 mm. It is supplied in plain steel (black), property class 10.9.

Benefits

• head diameter 16 mm and head height 5.0 mm to ISO 10642, matching the standard counterbore
• hexagon socket with 5 mm width across flats for a high tightening torque in a tight space
• thread M 8 over 45 mm of shank length
• thread up to approximately the head, the full depth of engagement can be used
• property class 10.9 for high preload forces
• a flush finish, at 5.0 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.