Timco Hex Heavy Self Drill Screws are high‑performance structural fasteners engineered for rapid, reliable fixing into steel and other heavy‑gauge materials. Designed with a robust hex‑drive head, they deliver powerful torque transfer and secure bit engagement, enabling controlled, high‑force installation in demanding environments. Their precision‑formed self‑drill point provides fast, clean penetration through metal without the need for pre‑drilling, significantly reducing installation time and improving productivity on structural steelwork, cladding, framing, and industrial fabrication. The advanced thread geometry ensures strong, consistent pull‑out performance and a firm mechanical bond, even under heavy load and vibration. A reinforced hex recess minimises cam‑out, maintains driving stability at high speeds, and supports confident fixing in overhead, angled, or tight‑access applications. Each screw features a durable, corrosion‑resistant coating engineered for long‑lasting performance in exposed or harsh outdoor conditions, ensuring dependable integrity across a wide range of environments. Trusted by professionals for their strength, precision, and exceptional drilling capability, Timco Hex Heavy Self Drill Screws are an essential choice for achieving secure, high‑quality, and time‑efficient fixings on every demanding steel‑to‑steel installation.
Timco Hex Heavy Self Drill Screws 5.5mm Diameter With 16mm Washer
Timco Hex Heavy Self Drill Screws 5.5mm Diameter With 16mm Washer
Price range: £13.51 through £32.87
Timco Hex Heavy Self Drill Screws are high‑performance fasteners designed for rapid, reliable fixing into steel and other heavy‑gauge materials. Their robust hex‑drive head delivers strong torque transfer and secure bit engagement, while the precision self‑drill point provides fast, clean penetration without pre‑drilling—boosting productivity on structural steelwork, cladding, and fabrication tasks. Advanced thread geometry ensures consistent pull‑out strength and a firm mechanical hold, even under heavy load and vibration. The reinforced hex recess minimises cam‑out and maintains stability during high‑speed or awkward‑angle installation. A durable corrosion‑resistant coating ensures long‑lasting performance in harsh outdoor conditions. Trusted by professionals, these screws deliver strength, precision, and efficient steel‑to‑steel fixing on demanding jobs.
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We have a fleet of four vehicles which we run from this branch. We cover most situations for all our customers with the diversity of the vehicles
- Van, used for mainly plumbing materials and light sized building products
- 12 tonne tipper wagon which carries 6.5 tonnes of loose aggregate
- 2 x 18 tonne wagons with a rear mounted Hiab cranes
Only local delivery is available.

