Evolution 5.5 x 50mm Hex Head Tek Screws BWZ50-5 – TEK5 Screw + Washer for Heavy Steel Section 4.0mm to 12.5mm in BZP

Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole
Standard 8mm (5/16″) AF hexagon drive
Carbon steel zinc plated with super hard and sharp drill tip
With 16mm Bonded EPDM Washer for weather protection
Thread length does not include screw head

Identical to the heavier duty standard hex headed self drilling screw or tek screw, tek 5, with the addition of the integrated EPDM washer for situations where a waterproof seal is required. For attaching to heavy steel section of thickness between 4.0mm and 12.5mm.

Product Datasheet