7.00mm Cobalt Drill Bit

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This heavy duty jobber length drill bit is the proper size for 7mm barrel pins. The best way to do it is to drill at 17/64 and ream at 7mm but for those with a really good drill press that like to drill once at 7mm and pin it this is for you


  • 5
    Drill bit

    Posted by John Green on Nov 6th 2020

    Good price on a hard to find tool. Never hurts to have 2. Will buy more as needed.