HSS TitaniumCoated Spiral Groove Step Drill Bit Or Straight Grooved Drill Bits 312 412 420 432 For Wood Metal Hole Cutter

Label:yes Manufacture Country: China

Certification : FCC Model Number : Step Drill Bit DIY Supplies : Metalworking Material : High Speed Steel Type : Center Drill Bit Use : Metal Drilling Features 1 : Stepper Cone Drill Bit Features 2 : Spiral Groove Step Drill Bit Features 3 : Straight Groove Step Drill HSS Titanium-Coated Spiral Groove Step Drill Bit Or Straight Grooved Drill Bits 3-12 4-12 4-20 4-32 For Wood Metal Hole Cutter Specifications: 1.Product name: Step Drill Bit 2.Material: High Speed Steel + Titanium 3.Shank Type: Spiral or Straight Features: 1.The step drill bits are make by high speed steel, strong and durable can used for stainless steel sheet, aluminum alloy, plastic material and wood. 2..The Titanium coating resists the drill bits from corrosion and rust, deduces friction making it easily to do multiple drills on surfaces such as plastic, aluminum, copper, stainless steel, and other types of sheet metal. 3.The center punch help you mark the center point that you want to drill, with exquisite aluminum case protects the drill bits not easy to dull and prolongs the drills lifespan.