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These bits pay for themselves the first time they prevent your bit tip from skidding across a finished surface. The tips have a coating of fine diamond grit that increases friction between the driver and screw head to significantly reduce cam-out. Each bit is milled from chrome molybdenum vanadium tool steel, hardened to Rc57-59, and nickel-plated to resist corrosion.Made in Germany, they are 1" long with standard 1/4" hex shanks. For long screws or the slot bits, we recommend using a retracting screw holder (sold separately). Its sleeve holds the screw in line with the bit and retracts as the screw is driven. Online only.
These bits pay for themselves the first time they prevent your bit tip from skidding across a finished surface. The tips have a coating of fine diamond grit that increases friction between the driver and screw head to significantly reduce cam-out. Each bit is milled from chrome molybdenum vanadium tool steel, hardened to Rc57-59, and nickel-plated to resist corrosion.Made in Germany, they are 1" long with standard 1/4" hex shanks. For long screws or the slot bits, we recommend using a retracting screw holder (sold separately). Its sleeve holds the screw in line with the bit and retracts as the screw is driven. Online only.