GB/T 9216-1988 Carbide inverted cone rotary files

GB/T 9216-1988 Carbide inverted cone rotary file GB/T9216-1988 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Inverted cone hardmetal burrs
Inverted cone hardmetal burrsGB 9216-88
This standard adopts the international standard IS07755/12-1984 "Hard alloy burrs-Part 12: Inverted cone burrs (N type)".
Types and dimensions
1.1 Types and dimensions are as shown in the following figure and table.
Rotary file codebzxZ.net
M 0307C03
N 0607C0640
China Gear
N0307M03
N 0607M0640
N0307F03
N0607F0640
* N1213C0640 20* N1213M0640 20t* N1213F0640 20*N 1616C0640
N 1616M0640
M 1616F0640
* N1213C0640 30
1213M064030%*N1213F064030%
N1613C0640
N1613M0640
N1613F0640
Note: According to the order, we can produce with end teeth (No. 1 position is indicated by NE). ② For the specifications with "*", add the angle symbol.
1.2 Marking example
Carbide inverted cone rotary file (N type) d=6mml=7rmm.dl--6mm, shank length is 40mmα=-10°, fine teeth (F), marked as: rotary file N0607F064O10°2 Technical conditions
G13 9216---88
According to GB9217-88 "Technical conditions for carbide rotary files 2".
Approved by the National Machinery Industry Commission on 7988-05-12 and implemented on 1989-01-01
Additional instructions:
GB9216-88
This standard was proposed by the National Technical Committee for Tool Standardization. This standard was drafted by the Chengdu Tool Research Institute and Shanghai Tool Factory. 158
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.