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    Vintage Irwin USA Letter Drill Bits - NEW

    I came across a box of old Irwin USA letter drill bit packs that I'd like to sell. Each pack has six new drill bits in them, jobber length, black oxide. Here are the available sizes & quantities: S - QTY 6 T - QTY 5 U - QTY 5 V - QTY 6 W - QTY 8 X - QTY 7 Y - QTY 5 Z - QTY 8 I was going to...
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    Crown PSC 1000 + Aluminum?

    Good morning GJ'ers, I have a question for those of you using the Crown PSC 1000 in your solvent based parts washers. They state it is for steel parts, and I know there are plenty of chemicals out there that can damage or discolor raw aluminum parts, but I'm curious if anyone has had any...
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