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duggatron t1_ir42ykt wrote

Reply to comment by yawningangel in Can i use 3 in 1 brand all temp fluid to lubricate drill bits when drilling (steel?) hinges? by drummerene

Use step drills on sheet metal too. There's no upward force component to pull it out of the clamps or vise.

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ZeroTrousers3D t1_ir7vp4j wrote

What step bits lack in pull they make up for in showering you with hot metal shavings.

Plus, the places you'd use a vari-bit aren't the ones you'd normally be using clamps for.

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