Tools by Trade:
IRWIN Tools manufactures and distributes a broad assortment of professional tools for the metal worker – innovative tools that, in the hands of the tradesman, get the job done the way it was meant to be done. Consider the legendary IRWIN VISE-GRIP locking pliers and clamps – since 1924, VISE-GRIP has been the tool brand that tradesmen choose first, and pass on to future generations. Because not just any tool will do, IRWIN also offers a full line of UNIBIT step drill bits; HANSON taps, dies, and extractors; fastener drive accessories; and drill bits for metal drilling.
Are Irwin cobalt drill bits coated like the titanium ones? If the cobalt bits are rockwell hardness 66 - 67 HRc, what hardness are the titanium bits? Once you sharpen a cobalt bit and the gold coating is gone, is it just a regular bit?
Cobalt bits are not coated, they are cobalt steel through and through. At t... Read more
I plan on using my hole saw to cut into iron. What RPM should I use for best results?
Trying to cut metal too fast will overheat the material being cut, which 'h... Read more