You always want a minimum of 3 teeth engagement so for 1/4" minimum bar stock you need a minimum of 12 TPI - Lenox recommends 14/18 TPI. For 1/8" wall thickness tubing Lenox recommends 8/12 TPI. If you are cutting a bundle of tubing you can go one pitch coarser to 6/10 TPI. I like their bimetal blades. I run a variable pitch 10 to 14 but don't cut anything thinner than about 3/8.
Brand new owner and want to buy a good Lenox blade. I¡¯ll be cutting bar stock from 1/4¡± through 1¡± and angle iron up to 2¡±x2¡±x1/4¡± and square tubing 1/8¡± thick 2¡±x2¡±. All mild steel. What would be my best blade selection if I only selected one blade? Many thanks.
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John A. Schirra?
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