sebS pan head drilling screw w. flange, sim to DIN 7504-N blk galv, H 2 4.2 x 13
Field of Application:
For St 12, St 13, St 14, St 33, St 37, UST 37, RSt 37, St 44, St 50, St 52, other unalloyed steels up to a tensile strength of 510 N/mm2, plus aluminium and other soft metals. The pressed-on washer generates a higher surface pressure, which helps to prevent stress cracks.
Advice:
Minimum screw length = clamping force + material thickness + drill tip length + 3 mm.
