JB/T 7384.13-1994 Fasteners Self-tapping locking screws circumferential circle diameter gauge

This standard specifies the type and size of the go and stop gauges for testing the circumscribed circle diameter of self-tapping screws. This standard applies to item 1 of table 1 of ZB J13 002.3. JB/T 7384.13-1994 Fasteners Self-tapping Locking Screws Circumscribed Circle Diameter Gauge JB/T7384.13-1994 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
Gauges for the Circumscribed Diameter of Self-drilling Locking Screws
Subject Content and Scope of Application
This standard specifies the type and size of through and stop gauges for detecting the circumscribed diameter of self-drilling locking screws. This standard applies to item 1 of Table 1 of ZBJ13002.3. Cited standards
GB1957
GB6559
Smooth limit gauge
Screw coarse pitch ordinary thread series for tapping screws ZBJ13002.3 Fastener test methods Dimensions and geometric accuracy of tapping screws 3 Types and dimensions
The types and dimensions of the external ring diameter gauge for tapping screws shall be as specified in Figure 1 and Table 1. General Regulation
Approved by the Ministry of Machinery Industry on July 26, 1994
JB/T7384.13-94
Implemented on July 1, 1995
Thread Specifications
Basic Dimensions
Limit Deviation
Basic Size
Limit Deviation
Basic Size
Limit Deviation
± 0. 007
JB/T 7384. 1394Www.bzxZ.net
±0. 0135
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.