Woodworking Step Drill 6 Piece High Speed Steel Step Drill Set Automatic Center Punch Nano Blue Coating Empire Core Drill Aluminum Box

Cutting and deburring: steel, sheet metal and other surfaces can be cut with only a small amount of pressure and deburring when drillingFeature:1.100% 2. Made of high-quality high-speed steel, wear-resistant, not easy to rust, long service life.3. Smooth hole edge, very suitable for drilling holes in HVAC work.4. Prevent metal scraps from flying around to improve safety.5. Suitable for cutting holes in steel, brass, wood, plastic and other materialsspecification:Type: core drill + center punchMaterail: HSS high-speed steelCoating: Nano blue coatingSize: 3 / 16-1 / 2 1 / 8-1 / 2 1 / 4-3 / 4 3 / 16-7 / 8 1 / 4- 1-3 / 8note:Due to manual measurement, please allow an error of 1-3mm.Due to the differences between different monitors, the picture may not reflect the actual color of the project.Package Included:5 step drills + 1 center punch

• Suitable for general drilling of steel, stainless steel, copper, aluminum and other surfaces
• 1. Made of high-quality high-speed steel, wear-resistant, not easy to rust, long service life.
• 2. Smooth hole edge, very suitable for drilling holes in HVAC work.
• 3. Prevent metal scraps from flying around to improve safety.
• 4. Suitable for cutting holes in steel, brass, wood, plastic and other materials