High speed steel step drills allow for drilling multiple hole sizes with one bit.Specially designed to automatically debug holes as it drills.A balanced double flute design minimizes chattering.This....
Xiamen Rizheng Industry Co., Ltd is an experienced manufacturer of various of woodworking tools, such as HSS twist drill bits, milling drill bits, Auger bits, Spade bits, HSS end mills, center drills....
HSS Twist drill bit are probably the most common drill tools used by the handyman with either a hand or electric drill.The front edges cut the material and the spirals along the length remove the....