JB/T 8006.2-1999 Hexagonal head clamping screws for machine tool fixture parts and components

JB/T 8006.2-1999 JB/T 8006.2-1999 Hexagonal head clamping screws for machine tool fixture parts and components JB/T8006.2-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Standard of the Machinery Industry of the People's Republic of China
The parts and units of jigs and fixturesbZxz.net
The parts and units of jigs and fixtures1999-08-06 Issued
State Machinery Industry Bureau
Implemented on 2000-01-01
Standard of the Machinery Industry of the People's Republic of China
The parts and units of jigs and fixturesHexagon-headed holddown screws serewThis standard specifies hexagonal head compression screws with thread specifications of M8~M36. 2 Reference standards
JB/T8006.2—1999
Replace JB/T8006.2—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, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T6991988: Technical conditions for high-quality carbon structural steel JB/T8044—1999 Technical requirements for machine tool fixture parts and components 3 Dimensions
The dimensions are shown in the following figure and table.
Approved by the State Machinery Industry Bureau on August 6, 1999 Type C
Implemented on January 1, 2000
Basic dimensions
Limit deviations
JB/T 8006.21999
4 Technical conditions
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 Marking
5.1 Marking example:
JB/T8006.2—1999
Type A hexagonal compression screw with d=M16, L=60mm: screw AM16×60JB/T8006.2—199931
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