New HSS Co Cobalt Spiral Grooved Step Drill Bits 1 4 Hex Shank Wood Metal Cone
Fixmee New HSS-Co Cobalt Spiral Grooved Step Drill Bits 1/4" Hex Shank Wood Metal Cone Drilling 3-12mm Hole Saw M35 Brand Name: fixmee DIY Supplies: Woodworking Type: Core Drill Bit Features 100% brand new and high quality. Made from HSS-Co, heat treatment to it, high hardness, high wear resistance, high toughness, high bending strength, sharp edge, the best choice for processing stainless steel, better than ordinary step drill. Unique step structure, a drill can punch out a variety diameters of holes. Does not need center punch to assist it, compared with ordinary hemp flower drill, it is stabler and difficult to be broken. It has these functions that hemp flower drill does not have, such as burrs removing, chamfering, punching elliptic hole, etc. It is suitable for being installed on the pistol drill and bench drill, applicable for punching on these harder workpieces, such as stainless steel, carbon steel, aluminum plate, iron plate, etc. Note Please water it for...