Step Drill Bit 1pc 3-12/4-12/4-20/4-32 Blue Coated Core Hole Cutter for Wood/Metal Cone Drilling Tool 1Pcs(Round Spiral 4-12)

Taper Shank Drill BitsStep Drill Bit 1pc 3-12/4-12/4-20/4-32 Blue Coated Core Hole Cutter For Wood/Metal Cone Drill Bit Drilling Tool 1PcsSpecification:Tpye: CoreDrill BitMaterial: HSS High Speed SteelCoating: P6M5 Blue CoatedShank: Round / Hex3-12mm: 3-4-5-6-7-8-9-10-11-12mm4-12mm: 4-6-8-10-12mm4-20mm: 4-6-8-10-12-14-16-18-20mm4-32mm: 4-6-8-10-12-14-16-18-20-22-24-26-28-30-32mmNotePlease allow 1-3mm error due to manual measurement.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package Including:1pc HSS Step Drill Bits1

• Taper Shank Drill Bits
• 1. HSS Hex Shank Pagoda Step Drill Bit from 4-20mm
• 2. This is HSS High Speed Steel Step Drill, which is made from high quality HSS steel, and with the coated to reduce friction and heat.
• 3. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc
• 4. Usually used to mark the center of a point, the small dimple guide the tip of the drill and avoids slip or deviation which result in damaging.
• 5. The ladder of its structure, a bit can open a variety of specifications of aperture