Manufactured by CLYMER Precision, these reamers are made from durable M42 w/ Cobalt HSS for increased tool life and heat resistance.
Features a live pilot spindle design with oil grooves and threaded for 4-40 fillister head screw, eliminating the need for C clips and allowing for easy bushing attachment.
Designed to SAAMI specifications with a 7/16” shank, Weldon flat, and 1/4-28 female threads, ensuring compatibility with standard chambering practices.