Timco HW65B Wing Tip Self-Drilling Screw 5.5 x 65 Zinc Box of 200

ManoMano

General description The TIMco Wing Tip heavy section screw is engineered for securely attaching wood to metal, specifically designed for heavy section steel up to a maximum thickness of 12mm. Its innovative wing design allows for efficient reaming of timber, enabling the screw to achieve maximum revolutions per minute (R.P.M.) without overheating. Technical specifications Size: 5.5 x 65mm Box Quantity: 200 Colour/Plating: Bright zinc electrolytic plating with a clear toxin-free finish Head Type: Phillips Countersunk Bit Size: PH3 Other information The fine self-tapping thread ensures effective penetration into both wood and metal. When the wings contact metal, they break off to allow the thread to self-tap into the metal.

Power Tools Direct

Specifically Designed To Attach Wood To Heavy Section Steel (Max. 12Mm). Metric Thread With Wings Designed To Ream Out The Timber So The Screw Can Achieve Max. R.p.m. Without Burning Out. When The Wings Hit The Metal They Will Break Off To Permit The Thread To Self-Tap Into The Metal.PTDTIMHW65B

Amazon

Hex head with washer Self-drilling tip Zinc plated to 3-5 microns Designed for heavy sectional work