HSS Drill Bit Parabolic Flute Golden/Black Finished Drill Steel Metal Iron HSS Drill Bit Parabolic Flute Golden/Black Finished Drill Steel Metal Iron Make Easy for Hole Drilling Steel, Generaly Steel, Alloy Steel, Metal, Iron, Copper, Plastic...Designed to work for all Metalworking, Industrial Projects, DIY Home or Workshops Reparing, Maintenance Works.This Drill can do great works of drilling in various of metal material in DIY Home use or industry use. Bit is precision ground for Drilling Holes in many different materials. HSS Drill Bit Parbolic Flute Golden/Black Features: 135 DEG.SPLIT CUTTING POINT With 135 deg. Split Point Enable Quick Drilling and Easy Pisitioning. SURFACE TREATMENT Titanium nitrided drill body and black finished flute keeps longer cutting life. PARABOLIC FLUTE DESIGN Parabolic Spiral Twist Flute Keeps the Fast Chips-Removing and Easy Penetrating During Application. 3-FLAT SHANK 3-Flat Shank ensures much tighter and easy chucking in various of tool holders and machines withou slip. How To Use: Cordless Electric Drill Can Be used in Cordless Drill: Make sure the electric cordless drill is fully charged before application Corded Electric Drill Can be used in Corded Drill: Make sure the corded drill is plugged in before application Drill Press can be used in Drill Press: Make sure the drill press is plugged in before application. Drill Bit Specifications: ●Size From 1/16 inch to 1/2 Inch ● Cutting Point Angle: 135 Degree ● Angle Point Type: Split Point ● Flute Type: Parabolic Spiral Flute ● Shank Type: 3-Flat Shank ● Surface Treatment: Titanium Nitrided Body and Black Finished Flute ● Specification Met: ANSI ● Packaging: Packed in plastic package ● Application: Drill through Stainless steel, general steel, metal, iron, copper, aluminum, plastic... Material: High Speed Steel