- 3-Flats on Shank Special Hi-Tungsten tool steel, gold surface treated body and clearance for maximum lubricity.
- These reamers are especially designed for the reaming of structural steel plates commonly found in truck frames, rail cars, bridges, and pressure vessels. For use only to enlarge previously formed or drilled holes. All tools are constructed with left-hand spiral and right-hand cut.
- The Prototal Reamer, with the fast spiral, is the more aggressive of the two styles. It also will fit the needs of users who prefer a stop collar.