Description
Features:
Note
Specifications:
Package Included:
- 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 cooling while punching so that can prolong its lifetime, rotation rate from 250 to 400 is recommended.
Specifications:
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Item Material Handle type Handle diameter Step quantity Handle length Edge length Step diameter 001 HSS-Co Hex handle 1/4"(6.35mm) 9steps 31mm 50mm 3/4/5/6/7/8/9/10/12mm
002 HSS-Co Hex handle 1/4"(6.35mm) 10steps 31mm 50mm 4/6/8/10/12/14/16/18/20/22 mm
003 HSS-Co Hex handle 1/4"(6.35mm) 11steps 31mm 57mm 6/8/10/12/13/14/16/18/20/22/24 mm
Package Included:
- 1pc HSS-Co Spiral Groove Hex Handle Step Drill (we ship according to you choose!)