![Timco Self-Drilling Screws - Hex - Heavy Section Steel - Bi Metal- with EPDM Washer](http://justthejobsupplies.co.uk/cdn/shop/products/self-drilling-screw-for-heavy-section-steel-bi-metal_2_{width}x.jpg?v=1603991098)
Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole.
Hardened carbon steel drill tip fused on to an A2-304 Austenitic Stainless Steel body
- Washer - 16mm
- Head Type - Hex
- Thread Type - Metric with V Flutes & Torque Relieving Slash
- Point Type - Self-Drilling No.5
- Material -Bi-Metal/A2-304 Stainless Steel/Carbon Steel
- Corrosion Rating (1-5) -4 - Urban & industrial areas with a moderate salt atmosphere