TIMCO Metal Construction Timber to Heavy Section Screws Countersunk Exterior Silver Organic BMHW55 Pack of 200

General description These TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section A2 Stainless Steel Bi-Metal Screws are specifically designed for attaching wood to metal, with a maximum thickness of 12mm. The unique wing design allows for efficient reaming of timber, enabling the screw to achieve maximum revolutions per minute (R.P.M.) without overheating. Once the wings contact the metal, they break off, allowing the screw to self-tap effectively. Technical specifications Dimensions: 5.5 x 55 mm Material: A2 Stainless Steel Thread type: Metric thread Maximum thickness for wood attachment: 12 mm

Specifically Designed To Attach Wood To Metal (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.PTDTIMBMHW55