6mm x 70mm (40mm) (Pack of 20) Yellow 'M' Hardened Countersunk Torx Wood Timber Construction Screw Sleepr Screws with Flat Head High Performacne Carpenter

Size: 6mm x 70mm (40mm) Pack of 20 Material: Hardened carbon steel + yellow galvanization. Drilling Tip (enables light screwing without pre-drilling) Improved Smooth Cutter (the cutter is responsible for widening the hole in the fastened element?new cutter shape eliminates chip clogging, resulting in less frictional forces reduced tightening torque) Cutting Notch (the cutting notch is along theentire length of the threadis responsible for breaking the chip and cutting the wood structure during screwing)