M35 Cobalt Steel 29 piece Hardened Drill Bit Set for metal, plastic, and wood ensures hardened performance and sharp edging that stands up to wear and overheating. High tensile strength provides a smooth drilling experience, while the round shanks accommodate most drill chucks and lathes for easy use. Prevent drag and walking and quickly clear chips and particles with the stepped angled tips and deep twisted design. Unique round drill index container with threaded lid securely holds your numbered drill bit set for metal. Package 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-inch metal drill bits for steel, brass, aluminum, and more. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. [Smoothly Cut Holes]: Deliver speed and accuracy, while ensuring sharp, burr-free holes with the 29pc Cobalt Drill Bits for hardened steel, iron, alloy, brass, and other metals; Pilot point tips help reduce error and improve clean cuts [Multi-Step Sizes for Any Project]: Building in 1/64-inch increments, this 29 piece drill tap bits set includes sizes from 1/16 to 1/2-inch; Friction drill bits feature ridges on the angled tips for quick cutting [Quality You Can Trust]: Rely on the M35 cobalt drill bit set for hardened steel; Cobalt steel maintains toughness and hardness even when cutting at high temperatures to extend the life of these bits; Gold finish helps to resist wear [Cut Various Materials]: Cobalt M35 drill bit sets can cut through hardened and stainless steel, titanium alloy, aluminum, brass, acrylics, and even wood [Organized Storage]: Heavy-duty 6.3-inch (16cm) tall cylinder bit case with 3.4-inch (8.6cm) diameter keeps large to small drill bits organized so they are easy to find when you need them most; Labeled compartments provide quick identification and organization.