Countersunk screw ISO 10642 / DIN 7991, M 5x30, head 10 mm, hex socket 3 mm, stainless steel A4

The 90 degree countersunk head of this screw to ISO 10642 and DIN 7991 sinks 3.1 mm into the counterbore and finishes flush. It is made with thread M 5 and 30 mm length, the hexagon socket measures 3 mm, the head 10 mm. The data sheet names stainless steel A4 as the material.

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 30 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 3.1 mm head height no edge is left standing above the joint

Applications

It is fitted in steel and vessel construction, on clamping strips and brackets with a countersunk hole.

Standards and conformity

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