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
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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, 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 Heads 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 bzxz.net Implemented on July 1, 1995 Thread specifications JB/T 7384. 294 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.