Feature●High quality materials: blades made of high quality alloy, waterproof and corrosion resistant, hardened HSS steel, blades sharper and more durable.●CONVENIENCE: HSS drill bit set with spiral flute with a central drill quickly discharge the chips from the hole. It can effectively prevent dirt from retaining and improve the efficiency of drilling.Description
Good Design Adjustable limits of round shank for a wider range of applications, stable clamping effect and easy operation.