General Contractor

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Tools by Trade: General Contractor

Tradesmen depend on innovative products that meet their needs on the jobsite. Whether its performance they can trust or a product that outlasts the competition, tradesmen seek out tools that help them get the job done faster. The IRWIN® VISE-GRIP® brand is legendary for innovative pliers and wrenches that tradesmen trust enough to ask for by name. While the IRWIN STRAIT-LINE® brand has been the category leader in marking and layout for decades.

General Contractor FAQ

What is the function of the hole in an auger bit?

The hole in the flute of the Installer Bits is to hook a wire through to ai... Read more

How do I resharpen Irwin auger bits?

First never sharpen the outside edges of the bit that cut--the spur and sid... 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