Discover the secrets behind creating your very own essential tool for sheet metal work! In this informative and engaging ...

It also leads to slug-pulling when withdrawing the punch, which ultimately affects the life of both punch and metal sheet. Spacing between holes also matters. It should be at least two times the ...

Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty … ...

ROCKFORD — You know the hole punches we have in our offices to punch holes in paper? Take that concept and apply it to metal. For 104 years, that's been the function of the Roper Whitney No. 5 ...