GB/T 9214-1988 Carbide conical round head rotary files

GB/T 9214-1988 Carbide conical round head rotary file GB/T9214-1988 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Conical round-(ball-) nose hardmetal burrs
Conical round-(ball-) nose hardmetal burrs This standard adopts the international standard ISO7755/10-1984 "Conical round-(ball-) nose hardmetal burrs-(L type)".
1 Types and dimensions
7.1 Types and dimensions are as shown in the following figure and table.
Rotary file code
1.0616C0640
L.0822C0640
L1025C0640
L.1228C0640
1.1633C0640
Marking example
1. 0616M0640wwW.bzxz.Net
L 0822M0640
L 1025M0640
L.1228M0640
I.1633M0640
1.0616F0640
L0822F 0640
I.1025F0640
I.1228F0640
1.1633F0640
GB9214—88|| tt||-Part 10: Conical round head rotary chain
Carbide conical round head rotary file (type l.) d=8mm, l=22mm, d,=6mm, shank length is 40mm, coarse teeth (C) marked as: rotary file L0822C0640GB9214-882 Technical conditions
According to the provisions of GB9217-88 "Technical conditions for cemented carbide rotary files".
Approved by the State Machinery Industry Commission on May 12, 198814
Implemented on January 1, 1989
Additional notes:
GB9214-88
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. 154
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