HSS Drill Bit Twist Jobber Length Sprial Parabolic Flute Black/Golden 135 Deg. Split Point 3-Flat Shank ?Specifications: ● Product Name: HSS Drill Bit Parabolic 3 Flat Shank ● Cutting Point Angle: 135 Deg. ● Angle Point Type: Split Point ● Flute Type: Parabolic Sprial Flute ● Shank Type: 3 Flat Shank ● Surface Treatment: Golden/Black Oxided ● Specification Met: ANSI. ● Application: Drill Hole on Steel Metal Iron Copper Aluminum Plastic ● Packaging: Strong Plastic Package. ?Features and Benefits: ?1. What Makes This Drill Bit Work Well? ●MATERIAL: Premium High Speed Steel Keeps High Hardness and Strength for Long Life Drilling. ●UNIQUE FLUTE: Parabolic Flute Design Enable Easy and Quick Penetration and Chips Removal. ●POINT ANGLE: 135 Degree Split Point Prevents Drill from walking, Better Self-Centering and Reduce Thrust. ●SPECIAL SHANK: 3-Flat Shank Eables Tight and Easy Chuck without Slippage During Application. ?2. How To Use for Easy Drilling? ●Fit into the Chuck of Corded and Cordless Drill, Easy and Quick! ?Make Easy for Hole Drilling in Steel Metal Iron Copper Aluminum Plastic Cast Iron Metal Sheet... ? This Drill can do great works of drilling in various of metal and steel material in DIY Home use or industry use.