GB/T 9209-1988 Carbide oval rotary files

GB/T 9209-1988 Carbide Oval Rotary Files GB/T9209-1988 Standard Download Decompression Password: www.bzxz.net

National Standard of the People's Republic of China
Oval hardmetal burrs
Oval hardmetal burrsWww.bzxZ.net
This standard refers to the international standard ISO7755/5-1984 "Hard alloy rotary files 1 Types and dimensions
1.1 Types and dimensions are as shown in the following figure and table.
Rotary file code
E0307C03
F0610C0640
F0813C0640
E1016C0640
E1220C0640
E1625C0640
1.2 Marking example
E0307M03
E0610M0640
E0813M0640
E1016M0640
E1220M0640
E1625M0640
E0307F03
E0610F0640
E0813F0640
F1016F0640
E1220F0640
E1625F0640
（±0.5)
9209--88
Part 5: Oval Rotary Files (E
--- 0. 03
Carbide oval rotary file (type E) d = 12mm, l = 20mm, d, = 6mm, shank length 40mm, coarse teeth (C). Marked as: rotary file E1220C0640GB9209--88Approved by the State Machinery Industry Commission on 1988-05-1256
Implemented on 1989-01-01
Technical conditions
GB9209
According to the provisions of GB9217-88 "Technical conditions for carbide rotary files".
Additional remarks:
This standard is proposed by the National Technical Committee for Tool Standardization. This standard is under the jurisdiction of the National Technical Committee for Tool Standardization! . This standard was drafted by Chengdu Tool Research Institute and Shanghai Tool Factory. 1441
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