Drill Bit, 5/16" Cutting Diameter, 4341 HSS Jobber Bits TiN Coated 135° Cutting Angle - (Applications: for Drilling Soft Metal Plastic Wood), 2-Pieces

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About This ★ Drill Bit Size --- Cutting edge diameter: 5/16 inch (7.938mm); shank diameter: 5/16 inch; cutting edge length: 80mm / 3.15 inch; overall length: 116mm / 4.57 inch, Inc luded: 2 Pieces x Drill Bit ★PRACTICAL PERFORMANCE --- The twist drill offers excellent toughness, combining a titanium coating and a 135° angle design. It has significant advantages in processing performance and cost-effectiveness, achieving superior processing at low cost and striking a perfect balance between cost and quality. ★ Wide Applications --- For acrylic, plastic, wood, soft metals (Cu, Al alloys), carbon steel, cast iron & thin stainless steel, suitable for vehicle maintenance like sheet metal, bolt holes, brackets, wire harness mounts. (not to be used on hardened steels, high-alloy steels, thick stainless steel, or other ultra-hard materials.) ★ 4341 High-Speed Steel (HSS) --- Offers high hardness, excellent wear resistance, and good toughness. It is a versatile drill bit suitable for machining medium- to low-hardness materials. ★ Useful Tips --- Ensure the drill bit is perpendicular to the workpiece surface—tilting can cause breakage or hole deviation. ​​For beginners: Always verify proper speed and feed rates before formal workpiece machining. Overview Material : 4341 High-Speed Steel Finish Type : Gold Finish Shank Type : Round Brand : CoCud Tool Flute Type : Spiral Show more