VEVOR Step Drill Bit, 3/16 to 1-3/8 inch, 3/8 inch Triangular Shank, TiAlN Coating Cobalt High Speed Steel, Four Spiral Flute Step Bit for Metal, Stainless Steel, Aluminum, Wood, Plastic, Fiberglass 19 Hole Sizes Built for Durability Efficient Drilling Precision Starts Multi-Material Capability Universal Shank Blade Type: Spiral,Tip Angle: 118°,Item Model Number: 3/16–1-3/8,Material: M35 Cobalt High-Speed Steel,Set Includes: 1 Piece,Surface Finish: TiAlN Coated,Product Dimensions (L x W x H): 3.74 x 1.38 x 1.38 in / 95 x 35 x 35 mm,Max Diameter: 1-3/8 inch / 34.93 mm,Shank Type: 3/8" Tri-Flat,Flute Style: 4-Flute Spiral,Net Weight: 0.47 lbs / 0.212 kg
