Cobalt Drill Bit Set 115 PCS, High Speed Steel M35 Cobalt 5% Drill Bits Durable Round Shank Drill Sets for Hardened Steel, Wood Plastic, Sheet Metal, with Metal Index Storage Box. Size: 115pcs Cobalt Brand: CaRoller MPN: HSD91-115C UPC: Does not apply EAN: Does not apply. Material: High Speed Steel, Stainless Steel, Alloy Steel, Cobalt Steel. Cutting Angle String: 135 Degrees. Product Dimensions? 14.6 x 5 x 2.9 inches; 7.36 Pounds. Date First Available? June 16, 2023. Best Sellers Rank: #16,181 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #39 in Jobber Drill Bits. #39 in Jobber Drill Bits. Customer Reviews: 4.5 4.5 out of 5 stars 385 ratings. 115 PCS Drill Bit Set Includes29pcs Fractional Size: 1/16 to 1/2 inch bits in 1/64th increments; 26pcs Letter Size: A to Z, 60pcs Wire Size: #1 to #60, Metal index storage box for easy carry and organizing. A Must For ProfessionalsWhether a professional woodworker, handyman, or construction worker, or you simply enjoy the occasional house project as a relaxing hobby, the CaRoller metal drill bit set for steel are an excellent assortment for ensuring perfect holes and plugs! Heavy Duty Construction The drill bit is made with durable material containing 5% Cobalt alloy steel, which ensures long-lasting use and superior wear resistance! Suitable for cutting stainless steel, cast iron, high-temperature alloy, titanium alloy, hard plastics, and wood. Practical and Portable Say goodbye to constantly losing or misplacing your drill bits! The CaRoller drill bit set for metal comes with an ergonomic and portable metal size index storage box with a built-in clip, easily attaching to your tool belt and keeping your bits within immediate reach!