JB/T 6687-1993 12-point flange nut

This standard applies to gas turbine power plants. JB/T 6687-1993 12-point flange nut JB/T6687-1993 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 6687-1993bzxZ.net
12-angle flange nut
1993-06-01 Issued
Ministry of Machinery Industry of the People's Republic of China
1994-01-01 Implementation
Mechanical Industry Standard of the People's Republic of China
12-angle flange nut
This standard applies to gas turbine power plants, m
0.2×45°
Thread specification D=M16,
Marking:
0.5×45°
JB/T6687-1993
Material 30CrMnSiSurface treatment is radium-plated passivated12-angle flange nutMarking exampleThread Female JB/T6687-93-M16·30CrMnSi-Cd.D Table 1
Thread specification
Basic size
Weight (piece) kg
Thread specification
Approved by the Ministry of Machinery Industry on 1993-06-01
M30×3
M34×3
1994-01-01
Thread specification D
Basic size
Weight (piece) kg
Thread specification
Basic size
Weight (piece) kg
M36×3
Technical conditions are in accordance with the provisions of JB/T6688-1993. Additional remarks:
This standard is proposed by Nanjing Gas Turbine Research Institute. This standard is under the jurisdiction of Nanjing Gas Turbine Research Institute. JB/T6687-1993
Continued Table 1
M39×3
M42×3
M30×3
M33×3
M45×3
This standard was drafted by Nanjing Steam Turbine and Electric Motor Works, Nanjing Gas Turbine Research Institute, Harbin Steam Turbine Works, and the 703 Institute of China State Shipbuilding Corporation.
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.