6 x 70mm Pozi Countersunk Timco C2 Strong-Fix Cutter Wood Screws, Zinc & Yellow, Box of 200 (60070C2) A4 Stainless Steel Hex Flange Head Timber Frame Construction Screws Thread Pitch (TPI): 13 per

Thread Pitch (TPI): 13 per inch

By reversing the countersink on the drill

Rothenberger ROCUT 26 TC Plastic Pipe Cutter

Total Length: 182mm

6 x 70mm Pozi Countersunk Timco C2 Strong-Fix Cutter Wood Screws, Zinc & Yellow, Box of 200 (60070C2) A4 Stainless Steel Hex Flange Head Timber Frame Construction Screws Thread Pitch (TPI): 13 per70mm Timco Wood Screws Timco c2 strong fix wood screws in boxes of 200 with a twin cut point and dual angle thread providing superior hold and excellent pull out resistance every time. With a ribbed double countersunk head for a flush finish and a deep Pozi recess to prevent cam out, gives precise and positive drive control on every screw. A quality countersunk wood screw coated with a polymer lubricant that reduces the insertion torque by up to 52%