TIMCO Self-Drilling Heavy Section Silver Drill Screw with EPDM Washer - 5.5 x 65 (100pcs)

Description

This high-quality self-drilling hex head fastener from TIMCO is designed for strong and reliable metal fixing. Built in a 5.5 x 65 mm size from case and core hardened carbon steel, it is made for direct fixing into steel without pre-drilling. The design includes a sharp self-drilling point with a 110° drill tip angle and a 15 mm drill tip length for smooth entry into heavy sections. It is commonly used where a strong 5.5 mm Drill Screw is needed for steel-to-steel applications. The screw also features a secure 16 mm EPDM washer to help create a tight seal, making it a dependable self drilling screw with EPDM washer. With its hex head design, it also works as a practical hex self drilling screw for construction and roofing tasks.

Made from hardened carbon steel with a protective zinc finish, this screw is built for long-lasting strength and resistance in demanding environments. Its design allows it to handle up to 12 mm drilling thickness, making it suitable for heavy section steel work. The EPDM washer improves sealing performance and helps prevent water entry, giving better protection in outdoor use. A 43 mm effective thread length ensures strong grip, while the hex head allows easy and stable driving during installation. The balanced 65 mm length improves handling and control, making everyday fixing tasks faster, easier, and more secure.