JB/T 7384.6-1994 Hexagon socket width through gauge for fasteners

This standard specifies the type and size of the hexagonal width through gauge for testing hexagonal socket screws. This standard applies to items 14 and 15 of Table 2 of ZB J13 002.1. JB/T 7384.6-1994 Hexagonal Width Through Gauge for Fasteners JB/T7384.6-1994 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T7384.1~7384.18-94
Special Inspection Fixtures for Fasteners
Issued on July 26, 1994
Ministry of Machinery Industry of the People's Republic of China
Implementation on July 1, 1995
Mechanical Industry Standard of the People's Republic of China
Fasteners
Hexagon Socket Diagonal Width Through Gauge
Subject Content and Scope of Application
This standard specifies the type and size of the hexagon socket diagonal width through gauge for detecting hexagon socket screws. This standard applies to items 14 and 15 of Table 2 of ZBJ13002.1. 2 Reference standards
GB1957
Smooth limit gauge
Fastener tolerances Bolts, screws and nuts
JB/T7384.6-94
ZBJ13002.1 Fastener test methods Dimensions and geometric accuracy of bolts, screws, studs and nuts Types and dimensions
The types and dimensions of gauges shall be as specified in Figure 1 and Table 1. Mark
Approved by the Ministry of Machinery Industry on July 26, 1994bzxZ.net
Implemented on July 1, 1995
Effective specification
Basic size
Limit deviation
Basic size
Limit deviation
Thread specification
Basic size
Limit deviation
Basic size
Limit deviation
Thread specification
Basic size
Limit deviation
Basic size
Limit deviation
JB/T 7384.694
Thread specification
Basic size
Limit deviation
Basic size
Limit deviation
+0.075+0.093
+0.045+0.058
Note: 1) Applicable to hexagon socket head screws. 19.44
JB/T7384.6-94
Continued Table 1
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