PTG Solid Pilot Chamber Finish Reamer 280 Ackley Improved 40-Degree Shoulder

These reamers are produced from premium M-42 tool steel and are individually hand-stoned to cut smooth and chatter free. Made to SAAMI Specifications for standardized cartridges and to the current industry standard for popular wildcat cartridges. They feature a solid pilot and a 3/8" square drive shank for use with a tap wrench. Right hand cut.