BeHappy 29PCS Cobalt Drill Bit Set, M35 Drill Bit Set, High Speed Steel Jobber Drill Bit Set for Hardened Metal, Stainless Steel, Cast Iron, Wood, Plastic with Indexed Round Case, 1/16″-1/2″ by 1/64. Includes 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. This 29 PCS M35 Metal Drill Bit Sets meets all your needs. High-Speed Steel M35(Cobalt 5%)cobalt drill bit set can effectively drill tough and high tensile materials. The metal drill bit is especially suitable for cutting hard metals, such as stainless steel, cast iron, superalloys, titanium alloys, rigid plastics, and wood, It can also be used in soft materials. The twist drill bit is 135°split point with a round straight shank, self-centering prevents walking, and makes drilling precise and faster. Double back Angle process and full grinding process is adopted fully ground process twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance. The jobber drill bit set includes a portable bucket that can be hung anywhere or on your waist for easy operation. Whether you’re a professional woodworker, handyman, or builder, or you’re just taking on the occasional housing project as a relaxing hobby, this barrel-packed metal drill bit set has everything you need. BeHappy is a specialized tool product, buyers satisfaction is our most sought goal. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store!