• CoopaLoopa@lemmy.dbzer0.com
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          2 days ago

          It’s because that’s an impact rated bit. They have a thinner section that flexes a little bit to prevent the bits from shattering when used in an impact driver. All the different brands like to put a little ring with their colors on the torsion zone.

    • Noel_Skum@sh.itjust.works
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      2 days ago

      That’s a standard size bit - for use in a bit holder. You don’t put that bit directly into your impact gun.

      Milwaukee sell them in tic-tac boxes of 25. I only go through a maximum of maybe two bits a day working with timber.

      • LifeInMultipleChoice@lemmy.world
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        2 days ago

        Jeez that’s a lot. Why 2 a day? I know I don’t do nearly as much drilling as you, but even with cement the bits usually hold up longer for me than the drill. But I still run a craftsman with a c4 battery and DeWalt bits so I’m sure my tech is ancient compared to your day to day.

        My batteries don’t have much left in them, it takes 2 to get a 7/16" through a cement wall to mount a tv bracket or such, but as a normal every day person I’d say the C4 batteries did me well. I bought them in 2009 I think

        Edit for clarification, they are C3 apparently

        Old “shitty” drill, not a torque wrench, but the fr has lasted

        • Noel_Skum@sh.itjust.works
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          2 days ago

          No pre-drilling. 5” screw. c.200 Nm of torque. 25mm PZ3 (Metabo) bit. Magnetic Milwaukee bit holder.

          The bits break first, by design. The bit holder hardly ever breaks. Never broken the gun.

          It’s horses for courses at the end of the day. “If it works, it works” is the mantra I was brought up around.

          • LifeInMultipleChoice@lemmy.world
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            2 days ago

            Yeah I never thought that drill would last as it has for me, I need to get an impact drill eventually probably, but I figure I’ll do it when I hit a job I can’t stand this old thing for. I got that as a young lad, so now I feel like I just drag it out like it’s bad knees and ankles setting into the mid-late 30s like me