This standard specifies the type and size of the thickness gauge for testing the thickness between the bottom of the slotted female groove and the supporting surface. This standard applies to item 21 in Table 2 of ZB J13 002.1. JB/T 7384.9-1994 Thickness gauge between the slotted nut c of fasteners and the supporting surface JB/T7384.9-1994 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 Fixtures for Fasteners Published on 1994-07-26 Ministry of Machinery Industry of the People's Republic of China Implemented on 1995-07-01 Mechanical Industry Standard of the People's Republic of China Fasteners Thickness Caliper Gauge between Slotted Nut Groove Bottom and Support Surface Subject Content and Scope of Application This standard specifies the type and size of the thickness caliper gauge for detecting the groove bottom and support surface of the slotted nut. This standard applies to item 21 in Table 2 of ZBJ13002.1. 2 Reference standards GB1957 Smooth limit gauges Fastener tolerances Bolts, screws and nuts ZBJ13002.1 Fastener test methods Dimensions and geometrical accuracy of bolts, screws, studs and nuts 3 Types and dimensions Types and dimensions of thickness gauges between slot bottom and bearing surface of slotted nuts Figure 1 and Table 1. Table 2, Home Approved by the Ministry of Machinery Industry on July 26, 1994 JB/T .7384.9—94 1995-07-01 implementation Thread specification A, B edge A, B grade Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation Thread specification A, B grade Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation JB/T 7384. 9-94 —0.0245 —0.0195 —0.0245 Screw specification Grade A, B Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation Explosion effect specification Grade A, B Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation JB/T 7384.994 Continued Table 1 0, 0195 —0.0235 — 0. 0425 Thread specification Signature size Limit deviation Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation Thread specification A, B line A, B grade Basic size Plate limit deviation Basic size Limit deviation Basic size Limit deviation Basic size Limit deviation 0,0275 JB/T.7384.9—94 Continued Table 1 Thread number specification Basic size Basic size Thread specification Basic size Basic size —0.0305 JB/T 7384.9-94 (M14X1.5) M10×1.25 M12×1.25 (M18X1.5) Thread specificationwww.bzxz.net Basic size Basic size Thread specification Basic size Basic size (M27X2) JB/T 7384.9-94 Continued Table 2 M20×2 (M20×1.5) (M22×1.5) (M30×2) 19. 6025. 6028. 60 18.7624.7627.70 (M33×2) M24×2 M36×3 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.