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GB/T 845-1985 (GB/T845-1985)

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GB/T 845-1985English80 Add to Cart 0--3 minutes. Auto-delivery. Cross recessed pan head tapping screws Obsolete


GB/T 845-1985: PDF in English (GBT 845-1985)
GB 845-85
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
UDC 621.382.216.5.082.6
Replacing GB 845-76
Cross recessed pan head tapping screws
十字槽盘头自攻螺钉
ISSUED ON. AUGUST 1, 1985
IMPLEMENTED ON. JUNE 1, 1986
Issued by. National Bureau of Standards
Table of Contents
1 Introduction ... 3 
2 Normative references ... 3 
3 Size ... 4 
4 Technical conditions ... 7 
5 Marking ... 7 
Additional information... 7 
Cross recessed pan head tapping screws
1 Introduction
This Standard specifies the cross recessed pan head tapping screw of which
the thread size is ST 2.2 ~ ST 9.5.
This Standard equivalently uses an International Standard ISO 7049-1983
Cross recessed pan head tapping screws.
2 Normative references
GB 5280-85, Tapping screws thread
GB 3098.5-85, Fasteners - Mechanical properties - Tapping screws
GB 3103.1-82, Tolerances for fasteners-Bolts, screws, studs and nuts
GB 944.1-85, Cross recesses for screws
GB 5267-85, Electroplated coatings on threaded fasteners
GB 90-85, Acceptance inspection, marking and packaging of fasteners
......
 
(Above excerpt was released on 2017-03-06, modified on 2021-06-07, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GBT845-1985