TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 65 Box OF 200 - BMHW65 Collated Metal Screws Manufactured from a good quality

Manufactured from a good quality

with mechanical 2 speed gearing

suitable for cutting mild steel to HRC20 9mm diameter and 7mm to HRC40

hose kinking or knotting

Overall screwdriver length 40mm

TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 65 Box OF 200 - BMHW65 Collated Metal Screws Manufactured from a good qualityBox of 200 Size 5. 5 x 65TIMCO Self Drilling Wing Tip Steel to Timber Heavy Section A2 Stainless Steel Bi Metal Screws 5. 5 x 65 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. WingTip Screw SDRILL No4 BIMET Hardened carbon