This standard specifies the type and size of the test die for testing the tightening height of hexagonal bolts and hexagonal nuts. This standard applies to item 7 of table 2 of ZB J13 002.1. JB/T 7384.4-1994 Fastener tightening height test die JB/T7384.4-1994 Standard download decompression password: www.bzxz.net
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Mechanical Industry Standard of the People's Republic of China JB/T7384.1~7384.18-94 Special Inspection Fixture for Fasteners Published on July 26, 1994bZxz.net Ministry of Machinery Industry of the People's Republic of China Implemented on July 1, 1995 Mechanical Industry Standard of the People's Republic of China Fastener Wrench Height Inspection Die 1 Subject Content and Scope of Application This standard specifies the type and size of the wrench height inspection die for testing hexagonal head bolts and hexagonal nuts. This standard applies to item 7 of Table 2 of ZBJ13002.1. Reference standards GB1957 Smooth limit gauge Fastener tolerances Bolts, screws and nuts ZBJ13002.1 Fastener test methods Dimensions and geometric accuracy of bolts, screws, studs and nuts Types and dimensions Types and dimensions of wrench height inspection die As specified in Figure 1 and Table 1, 0.5×45* Thread specifications Grade B, C Approved by the Ministry of Machinery Industry on July 26, 1994 JB/T 7384. 4-94 Implemented on July 1, 1995 Thread specifications Thread specifications JB/T 7384.494 Continued Table 1 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.