Tek Screw • Self Drilling Screws

Self-drilling screws with square hole

• SUFIX

• Designed to assemble metal 2 sheets up to times 1,5 mm each together in a single operation

• Zinc plated steel
• Round head with square hole for BIT, available in type 3.5 (size square head of bit 2,5 x 2,5 mm) or 4.2/4.8 (size square head of bit =3 x 3 mm)
• Drill point
• Thread of 4.2 or 4.8 mm with according headsize of 8.0 or 9.3 mm
• Serrations under the head for a better grip on the surface
• Bit supplied in each box of screws
• Shear force: 4.6 N
• Approved according DIN7504N standard

• Spare Screwdriver Bit with square head 50mm long BIT SDS