Toolso 9 steps 4-12mm HSS Cobalt M35 Spiral groove Step Drill Bit Hex Shank Step Cone Drill Bit Hole Cutter
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Material : High Speed Steel Use : Metal Drilling DIY Supplies : Metalworking Model Number : 4-12-2 Type : Core Drill Bit Features: . 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 cooling while punching so that can prolong its lifetime, rotation rate from 250 to 400 is recommended. Specifications: Item Material Handle type Handle diameter Step quantity Handle length Edge length Step diameter Straight Slot Hex Handle Step Drill HSS-Co Hex handle 1/4"(6.35mm) 9steps 31mm 50mm 4/5/6/7/8/9/10/11/12mm Package Included: 1pc HSS-Co Straight Slot Hex Handle Step Drill
Material : High Speed Steel Use : Metal Drilling DIY Supplies : Metalworking Model Number : 4-12-2 Type : Core Drill Bit Features: . 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 cooling while punching so that can prolong its lifetime, rotation rate from 250 to 400 is recommended. Specifications: Item Material Handle type Handle diameter Step quantity Handle length Edge length Step diameter Straight Slot Hex Handle Step Drill HSS-Co Hex handle 1/4"(6.35mm) 9steps 31mm 50mm 4/5/6/7/8/9/10/11/12mm Package Included: 1pc HSS-Co Straight Slot Hex Handle Step Drill
2019-04-07 13:22:08
