Drillscrews - Heavy Duty

Heavy Duty Drill Screws are the most common sheet to heavy steel fixing used in the steel roofing and cladding industry.

Heavy Duty tek screws are self tapping roofing fixings that will self screw through up to 0.7mm thick steel roofing before screwing into hot rolled steel supports up to 12mm thick, there is no need to pre-drill.  Ideal for use into RSJ beams and angle iron.

  • High quality Carbon Steel fastener
  • 5.5mm Diameter fixings
  • 8mm (5/16) Hex Head (Sockets also available)
  • 19mm Neoprene bonded washer as standard (other washer sizes also available)

Other Lengths of Self Tapping Heavy Duty roofing Screws are available. Please contact us if you cannot find what you are looking for.

Please note that all Heavy duty drill screws are sold in bags/boxes of 100no.  VAT is not included in the listed prices