Countersunk screw ISO 10642 / DIN 7991, M 10x25, head 21 mm, hex socket 6 mm, stainless steel A4

With a countersunk head 21 mm in diameter and 6.2 mm high, this screw to ISO 10642 and DIN 7991 stays flush with the surface. It carries thread M 10 at 25 mm length and is fitted with a hexagon key of 6 mm width across flats. It is made from stainless steel A4.

Benefits

• head diameter 21 mm and head height 6.2 mm to ISO 10642, matching the standard counterbore
• hexagon socket with 6 mm width across flats for a high tightening torque in a tight space
• thread M 10 over 25 mm of shank length
• thread up to approximately the head, the full depth of engagement can be used
• stainless steel A4 is also rated for chloride-bearing and marine environments
• a flush finish, at 6.2 mm head height no edge is left standing above the joint

Applications

It is used in machine and plant engineering, on panels, covers and cover plates whose surface must stay flat.

Standards and conformity

The screw is made to ISO 10642 and DIN 7991. The material is stated as stainless steel A4 to ISO 3506.