JB/T 7384.14-1994 Fasteners Wood screw thread minor diameter caliper
Basic Information
Standard ID:
JB/T 7384.14-1994
Standard Name: Fasteners Wood screw thread minor diameter caliper
Chinese Name:
紧固件 木螺钉螺纹小径卡尺
Standard category:Machinery Industry Standard (JB)
state:in force
Date of Release1994-07-26
Date of Implementation:1995-07-01
standard classification number
Standard Classification Number:Machinery>>General Parts>>J13 Fasteners
associated standards
Publication information
publishing house:Mechanical Industry Press
Publication date:1995-06-01
other information
Drafting unit:Machinery Standardization Research Institute of the Ministry of Machinery Industry
Focal point unit:National Technical Committee for Fastener Standardization
Proposing unit:National Technical Committee for Fastener Standardization
Publishing department:Ministry of Machinery Industry of the People's Republic of China
Introduction to standards:
This standard specifies the type and size of special calipers for detecting the minor diameter of wood screw threads. This standard applies to item 6 of table 1 of ZB J13 002.2. JB/T 7384.14-1994 Fasteners Wood Screw Thread Minor Diameter Caliper JB/T7384.14-1994 Standard download decompression password: www.bzxz.net
Some standard content:
Mechanical Industry Standard of the People's Republic of ChinabzxZ.net
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
Implementation on 1995-07-01
Mechanical Industry Standard of the People's Republic of China
Caliper for Minor Thread Diameter of Wood Screws
Subject Content and Scope of Application
This standard specifies the type and size of special calipers for detecting minor thread diameter of wood screws. This standard applies to item 6 of Table 1 of ZBJ13002.2. 2 Reference Standards
GB1214
Vernier Caliper
ZBJ13002.2 Fastener Test Method Size and Geometric Accuracy of Wood Screws Type and Size
The type and size of special calipers for minor thread diameters are as specified in Figure 1. (The angle of the outer jaw edge of the GB1214-75 vernier caliper is made as shown in Figure A-A). mgngiahgaabd
6=0.4 is applicable to 2.5 and below specifications; 6=0.6 is applicable to 3 and above specifications. JB/T7384.14-94
1—Inner measuring blade, 2—Ring frame, 3—Fixing nails: 4—Vernier: 5—Ring body; 6—Depth gauge; 7—External measuring machine Approved by the Ministry of Machinery Industry on July 26, 1994
Implementation on July 1, 1995
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