Metal Construction Timber to Heavy Section Screws - Countersunk - Wing-Tip - Self-Drilling - Zinc - 5.5 x 85

Timco

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.. 5.5 x 85 HW85B Pack Type: Box Pack Quantity: 100 Pieces. Carton Qty (packs): 16, Corrosion Rating (1-5): 1 - Clean, dry & low humidity environments, Drill Tip L (mm): 25, Driver Bit Size: PH3, Effective Thread L (mm): 51, Finish: Zinc, Head H (mm): 5, Head Ø (mm): 11, Head Type: Countersunk with Ribs, Included Items: PH3 S2 Bit (Qty 1), L (mm): 85, Material: Case & Core Hardened Carbon Steel, MDT (mm): 12, MOQ: 1, MOQ Increment: 1, Pack Dimensions L x W x H (mm): 135 x 90 x 90, Pack Qty: 100, Pack Quantity Unit: Pieces, Pack Type: Box, Pack Weight (kg): 1.219, Pallet Qty (packs): 384, Point Type: Self-Drilling No.5, Rec. RPM: 1,000 - 1,800, Recess Type: Phillips, Size (mm): 5.5 x 85, Steel & Fixture Thickness (mm): 55, Substrates: Steel, Timber, Thread Coverage: Fully Threaded, Thread Ø (mm): 5.5, Thread Type: Metric, To Suit Timber (mm): 30 - 49, Type: For Timber to Heavy Section Steel