ĐẦU VÍT VUÔNG 868/4 IMP DC DIY HỘP 5 CHI TIẾT 5x#2x50MM WERA 05057671001 Enhanced friction resistance, thanks to the rough diamond-particle coating on the bit tip, prevents any slipping out of the screw head. Particularly suitable for use with customary impact drivers The Impaktor technology offers an above-average service life even under extreme circumstances. Impact Driver Bits Wera 05073931001 - 868/1 IMP DC SB Impaktor Square-Plus Bits, # 2 X 25 Wera Impaktor Screwdriver Bits Application: Square socket head screwsDrive: 1/4 hexagon, suitable for DIN ISO 1173-F 6.3 bit holdersDesign: The Impaktor technology ensures an... Diamond coating for a secure fit in the screw, literally bites into the screwhead to prevent cam-out High quality bits for square socket screws. Sockets for Square Head Bolts | Secure Fastening Tools – Blacksmiths Depot 1/4 hexagon drive (Wera connecting series 4)