Fixing to Heavy Section Steel up to 12.5mm

Hex Washer Head With 5# Point Self Drilling Screw

Hex Washer Head 5# Point Galvanised Tek Screw

Hex Washer Head Self Drilling Screw With Long Drill Point

Self Drilling Screw No 5 Point Series 500

Self Drilling No 5 Point (Series 500) with Neo

Self Drilling Screw with Hardened Drill Point No.5

Hex Washer Head Self Drilling Screw W/Neoprene Bonded Washer Extended Drilling Point

Galvanised Hex Head with Seal Roofing Cladding Screw

Self Drilling Roofing Screw for Heavy Section Steel Purlin

No 5 Extended Self Drilling Screws

Galvanised Heavy Duty Metal Hex Head Self Drilling Screw

410 Stainless Steel Self Drilling Screws

Drill Tech Roofing Screw for Heavy Gauge Steel

DrillTech Series 500 Roofing Screws for Metal

410 Stainless Steel Long Drill Point Self Drilling Screw

Hex Head No.5 long tek screw

No.5 point Hexagon Head Tek screws for heavy steel

Hex Head No.5 Heavy Steel Self Drilling Tek Screws

Galvanised Hex Head Heavy Steel Tek Screws

Series 500 tek roofing screw for heavy steel