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For All Things Fixings.

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Reliable SD500 Self Drilling Screws for Metal

The 12g-24 self-drilling screw with an extended drill point for metal. Ideal for hardened or hot rolled steel and thick steel is not an issue for SD500 screws.

SD500 screws are designed to fix metal to metal, through thicknesses of up to 12mm in total without the need for pre-drilling or pilot holes into steel. Also can be used with timber to steel with the SD500 countersunk screw range.

These screws are a great alternative to standard tek screws and other screws for metal, allowing you to save time and user fatigue with the single action of drilling and fixing steel – one push, one screw done. Also known as Series500 screws the extended drilling tip guides the screw through just as the fine thread grabs hold and taps itself securely within the steel.

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But what sets this apart from other self-drillers? 

  • Dual-hardened carbon steel for superior strength
  • Drill thick steel with a single screw
  • A choice of head types to suit any situation – hex headcountersunk, and wafer head – and for all common driver bits
  • Option of hex head bi-metal stainless screws for superior corrosion resistance

Ask us about our SD500 Screws & other types of self-drilling screws.

Questions? At Allfasteners, we don’t just sell fasteners. We pride ourselves in being experienced in many different trades, so our advice on which screw to use is backed by practical onsite experience. Feel free to get in touch if you have any doubts.