JB/T 7384.9-1994 Thickness caliper between slotted nuts c and bearing surface of fasteners

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

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. 9-94Www.bzxZ.net
—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 specification
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
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