About This

• Premium 8% Cobalt High Speed Steel M42 provides extended tool life compared to ordinary drill bits, Durable, Strong and Impressive performance, Hardness up to HRC66. It is more suitable for drilling hardened and tough materials (HRC45)
• Precision fully ground edges and flutes ensure fast drilling, excellent chips moving smoothly and ultimate accuracy竊?135-degree split point prevents "Walking", reduce logging, and penetrates hard material without a pilot hole
• Golden surface finish resists corrosion and increases the hardness of the drill bits, and lubricates the drill bits better than ordinary surface
• Drill bits include: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64, 1/2 inch, 1/16 (0.0625) to 1/2" (0.5) in 1/64" increments; All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)
• Our goal is for buyers to be completely satisfied with your transaction. If for any reason this is not the case, we would appreciate it if you would give us a chance to address your concerns by sending e-mails or call us directly

Overview

• Material : Cobalt M42
• Cutting Diameter : 0.5 Inches
• Finish Type : Gold
• Shank Type : Straight
• Cutting Angle String : 135 Degrees