JB/T 8004.3-1999 Machine tool fixture parts and components connecting nuts

JB/T 8004.3-1999 JB/T 8004.3-1999 Machine tool fixture parts and components connecting nuts JB/T8004.3-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Standard of the Machinery Industry of the People's Republic of China
Parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06 Issued
State Machinery Industry Bureau
Implementation on 2000-01-01
Standard of the Machinery Industry of the People's Republic of China
Parts and units of jigs and fixturesConrecting nut
This standard specifies the connecting nuts with thread specifications of M12~M48. Referenced Standards
JB/T8004.3—1999
Subsequent JB/T8004.3-1995
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T699-1988 Technical conditions for high-quality carbon structural steel JB/T8044—1999
3 Dimensions
Technical requirements for machine tool fixture parts and components
The dimensions are shown in the following figure and table.
Approved by the State Machinery Industry Bureau on August 6, 1999 and implemented on January 1, 2000
4 Technical conditions
JB/T8004.3-1999
Basic dimensions
4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 35~40HRC.
4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Markingwww.bzxz.net
5.1 Marking example:
dM12 connecting nut:
Nut M12JB/T8004.3—1999
Limit deviation
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