Wera 05057657001 851/4 IMP DC DIY Impaktor 1/4'' Hex Phillips Insert Bits are high quality bits for phillups screws and are designed with Wera's Impaktor technology that offers an above average service life even under extreme circumstances. Wera 851/4 IMP DC Impaktor 1/4'' Phillips ® Insert Bits feature enhanced friction resistance thanks to the rough diamond-particle coating on the bit tip which prevents any slipping out of the screw head.
Wera 851/4 IMP DC Impaktor 1/4'' Phillips ® Insert Bits are particulary suitable for use with custamory impact drivers. Wera 851/4 IMP DC Impaktor 1/4'' Phillips ® Insert Bit are designed with a 1/4'' hex (Wera's Connecting Series 4) and are suitable for holders as per DIN ISO 1173-F 6.3.