All-Carbide Drill Bit - 3/4" Thick
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The "A" Series or "ALL-CARBIDE" Drill Bit features inlaid carbide across the entire face of the bit for the longest wear possible. All welds are protected with tungston carbide rubble.

Bits feature 100% Virgin Tungsten carbide teeth and rubble. Virgin Tungsten carbide is a pure tungsten, compared to recycled tungsten carbide.

The carbide teeth are made from Virgin Tungsten ground to uniform size grains, then forged with cobalt (the gluing agent), and then formed with pressure and heat into the proper profile or mold. All of this Virgin Tungsten product is imported from Sweden.

Compare this to recycled tungsten carbide, which is made from tungsten carbide tooling that has been ground up (which has already been forged with cobalt the first time around), and then has to be forged a second time with cobalt (the gluing agent). This reduces the percentage of actual tungsten used and also the uniformity of tungsten in the end product.