Project Farm tests Step Drill Unibits for cutting speed and durability using mild and medium steel, then tests the Top… Read More
Drill bit sharpeners tested: Work Sharp Drill Doctor 750x, Chicago Electric, General Tools, Drill Master, Goodsmann, and Bosch. [More...] Read More
Andrew Harnett on twist drill selection, pros and cons of high-speed steel, cobalt, carbide, plus coatings, drill point, flute geometry,… Read More
12 twist drill bit brands are tested for speed and durability on spring steel, 304 stainless, and mild steel using… Read More
Knowing how to hand sharpen a twist drill is a basic skill every machinist or fabricator should possess. [More...] Read More