General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 4246-2004
Scope
This standard specifies specific tolerances for the diameter of the cutting portion of reamers. This standard applies to GB/T 1131.1 "Hand Reamers Part 1: Types and Dimensions", GB/T 1132 "Machine Reamers with Straight Shank and Morse Taper Shank", GB/ Reamers specified in T 4243, Morse Taper Shank Long Edge Machine Reamers.