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Hex Head Heavy Gauge Tek Screws

Manufacturer: Spit
SKU: Buildex Tek Screws Hex - for 4.0-12.5mm Steel
Availability: Please select required attribute(s)
£9.59 ex VAT
+ - 1
The Hex Head Heavy Gauge Tek Screws are designed for fixing cladding/roofing applications to hot/cold rolled purlins/rails and fastening liner panels and general components to steel. They have a single, fine thread form (Tek 5) and are made from carbon steel with a AISI C1022 material grade. The drilling capacity is 4.0-12.5mm and the recommended drill speed is 1500-2500 RPM.


  • High clamping action
  • The integral washer on Maxiseal prevents water ingress and reduces bimetallic corrosion
  • Seals when driven at an angle - 1 - 2º Sharp convex drill point has precise cutting edges to improve drill performance with less effort
  • Climaseal finish provides excellent corrosion resistance and lower tapping torque


  • Fastening liner panels and general components to steel