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1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12 1/4 in

Quick facts

  • Brand: ‎Drill Hulk
  • Price: USD 26.88
  • Rating: 4.60 (2772 reviews)

If you regularly drill stainless steel or other hard metals, these Drill Hulk 1/4-inch M35 cobalt jobber bits are a practical, shop-ready option. The set includes 12 matching bits, so you can keep spares on hand for production work or repeated projects.

Built from high-speed steel with 5% cobalt for higher heat resistance, these twist drill bits are made to handle demanding drilling where standard HSS bits can struggle. The 135° split point helps with faster starts, and the 3-flat shank is designed to reduce slipping in the chuck.

  • 12-piece set of 1/4-inch (0.25 in) jobber-length twist drill bits with a storage case
  • M35 cobalt construction (high-speed steel + 5% cobalt) for improved heat resistance
  • 135° split point for more controlled starting
  • 3-flat shank designed to help the bit stay secure in the chuck
  • Jobber length: 2-3/4-inch flute length and 4-inch overall length

Because cobalt hardness is uniform through the material, these bits can be repeatedly sharpened as needed, making them a good fit for users who prefer maintaining bits rather than replacing them.