Shop Basics
How To Choose The Right Twist Drill Bit For The Job
Andrew Harnett on twist drill selection, pros and cons of high-speed steel, cobalt, carbide, plus coatings, drill point, flute geometry, and more. [More…]
Twist Drill Bit
Products & Reviews
Which Twist Drill Bit Brand Is Best?
12 twist drill bit brands are tested for speed and durability on spring steel, 304 stainless, and mild steel using a drill press. [More…]
How To & DIY
How To Correctly Sharpen a Twist Drill on a Bench Grinder
Knowing how to hand sharpen a twist drill is a basic skill every machinist or fabricator should possess. [More…]
