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Tools by Trade: Do-It-Yourself

IRWIN Tools manufactures and distributes a broad assortment of tools for the DIYer who prides himself on using the quality tools that professional tradesman demand – durable, innovative tools that get the job done the way it was meant to be done. From the legendary IRWIN VISE-GRIP family of locking tools, pliers, and wrenches; to circular saw blades, utility knives, drill bits, and fastener drive accessories, IRWIN has a tool for every need.

Do-It-Yourself FAQ

What does the 'Bi-Metal' mean when referring to a utility blade?

The bi-metal terminology refers to how the utility blade is constructed. W... read more

I recently purchased a cargo trailer. There are 2 screws that hold the license plate bracket on. I cannot identify the screw drive type. At first glance I thought it was a Torx head, but upon closer examination and trial I noticed that the star has 8 points instead of 6. The points are not as prominent as a Torx. Can you identify it?

Unfortunately I cannnot. However, I've run into this once before. If it has... read more

I recently purchased an old 13 piece set of IRWIN Solid Centre Stem Auger Bits from a used tools store for use in a hand-brace. The bits came in a wooden box with a swing-out lower drawer, and a black descriptive label on the inside lid. The box label says "1 set 20 1-2 quarters". What do these numbers mean? The bit numbers are 4, 5, 6, 7, 8, 10, 12, 14, and 16.

The 4, 5, 6 etc refers to the size in sixteenths. 4 is 4/16 or 1/4". 6 is 6... read more