6.3 x 50mm Hexagon Flange Head Self Drilling Screw, Stainless Steel A2 (304) DIN 7504K

Material: Stainless Steel
Class / Grade: A2 (304)
Head Shape: Flange Self Drilling Screw

Hex head self-drilling screws, for joining roofing sheets without the need to pre-drill a hole
Stainless Steel A2 (304)
Hexagon head drive
DIN 7504K
Sizes are thread diameter x screw length
Requires a pre-drilled hole in steel but not aluminium or plastics
Nut setters (driver) available from the powertool accessories section
Subtract Drill Tip Length (see table) from overall length to determine effective thread length