Irwin 1921

Find discount Irwin Industrial Tools 1921 Taper Pipe Tap Set, 6-Piece. Irwin 6 pc Pipe Tap set includes 1/8", 1/4", 3/8", 1/2", 3/4", 1" Taps. Nominal size of the tap is that Irwin 1921 of the pipe fitting being tapped Available in National Pipe Taper (NPT) and British Standard Pipe Taper (BSP) ... Learn more »

Irwin 1921 Review: Irwin Industrial Tools 1921 Taper Pipe Tap Set, 6-Piece. I'm not a professional plumber, but I've always had good luck with Irwin machine tools and these are not exception. High quality tools with hard bases and sharp cutters make quick work of threading pipe inserts. At least at the weekend home repair level, these are a good set. Just make sure you have a big enough tap handle (the little one that comes with the machinists' set won't fit). 1 ... Read more »

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