JB/T 7384.2-1994 Fastener countersunk and semi-countersunk head height inspection die

This standard specifies the type and size of the test die for testing the height of slotted and cross recessed countersunk, semi-countersunk head screws and self-tapping screws. This standard applies to item 5 of table 2 of ZB J13 002.1, item 7 of table 1 of ZB J13 002.2 and item 7 of table 2 of ZB J13 002.3. JB/T 7384.2-1994 Fastener countersunk and semi-countersunk head height test die JB/T7384.2-1994 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 Fixture for Fasteners
Published 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
Head Height Inspection Die for Countersunk and Semi-countersunk HeadsWww.bzxZ.net
Subject Content and Scope of Application
JB/T7384.294
This standard specifies the type and size of the head height inspection die for detecting slotted and cross recessed countersunk, semi-countersunk screws and self-tapping screws. This standard applies to Item 5 of Table 2 of ZBJ13002.1, Item 7 of Table 1 of ZBJ13002.2 and Item 8 of Table 2 of ZBJ13002.3. BJ13002.3 Table 2 Item 7 2 Reference standards
GB5279
Countersunk head screw head shape and measurement
Fixed parts test methods Dimensions and geometrical accuracy of bolts, screws, studs and nuts ZBJ13002.1
ZBJ13002.2 Fastener test methods Dimensions and geometrical accuracy of wood screws ZBJ13002.3 Fastener test methods
3 Types and sizes
Dimensions and geometrical accuracy of self-tapping screws
The types and sizes of the countersunk and semi-countersunk head height inspection molds shall be in accordance with the provisions of Figure 1 and Table 1, 90*--.
Approved by the Ministry of Machinery Industry on July 26, 1994
Implemented on July 1, 1995
Thread specifications
JB/T 7384. 294
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