Countersunk screw ISO 10642 / DIN 7991, M 12x45, head 25 mm, steel 10.9, zinc-plated

The countersunk screw to ISO 10642 and DIN 7991 draws components together in such a way that the head, 25 mm across, disappears completely into the counterbore. Thread M 12 and shank length 45 mm set the depth of engagement, tightening is done through the hexagon socket with a width across flats of 8 mm. The stated material is zinc-plated steel, property class 10.9.

Benefits

• head diameter 25 mm and head height 7.5 mm to ISO 10642, matching the standard counterbore
• hexagon socket with 8 mm width across flats for a high tightening torque in a tight space
• thread M 12 over 45 mm of shank length
• thread up to approximately the head, the full depth of engagement can be used
• property class 10.9 with a zinc-plated surface
• a flush finish, at 7.5 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 property class 10.9.