Blair 11108-3 Cutter-3/8 in

Blair 11108-3 Cutter-3/8 in

The Blair 11108-3 Cutter delivers reliable, clean hole-cutting performance in sheet metal, steel, and plastic up to ~½” thick. Made from M2 high-speed steel in the USA, this cutter produces burr-free, round holes without deforming the surrounding material. Since it works with most standard 3/8” or 1/2” drill chucks, you can integrate it easily into your existing toolkit — no special arbor required.

Clean, Burr-Free Holes and Minimal Metal Stress

Unlike twist drills or hole-saws that tear and distort sheet metal, the Blair 11108-3 Cutter uses an annular (ring) cutting method. Thus, it cuts only the material at the circumference of the hole. Consequently, it reduces cutting forces and avoids warping or overstressing the metal. This method also keeps the inner sheet of the metal intact — perfect for spot-welding, rust repair, or installing plugs. It even works efficiently on aluminum panels and thinner gauge metals without damaging them.

Durable Construction & Long Tool Life

The cutter’s precision-ground teeth and M2 high-speed steel build resist wear and heat. As a result, you get long life and consistent cutting across multiple uses. Users often report hundreds of clean cuts per bit. Also, because the cutter removes only a thin ring of metal rather than drilling the entire hole, chip load decreases and cutting remains smooth.

Easy to Use & Time-Saving

Using the Blair 11108-3 Cutter is simple: attach it to a drill, set RPM under 500, secure the material, and cut. The cutter removes stock cleanly and quickly — often 2–3× faster than standard drills.  After cutting, you get clean, round holes ready for plug welding, bolt installation, or tubing insertion. This saves substantial time in restoration, collision repair or fabrication work.

Ideal for Auto Body, Fabrication, and Repair Shops

Whether you’re removing spot welds, installing access holes, or preparing panels for welding, the Blair 11108-3 Cutter excels. Because it preserves metal integrity and provides smooth, burr-free cuts, many restoration shops, custom fabricators, and bodywork professionals rely on it for rust repair, patch panels, and custom builds.