PDF Actual Sample: GB/T 845-1985 (PDF-excerpt released/modified date: 2017-03-06/2019-03-24. Translated/reviewed by: Wayne Zheng et al.)
| Standard ID | GB/T 845-1985 (GB/T845-1985) |
| Description (Translated English) | Cross recessed pan head tapping screws |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J13 |
| Classification of International Standard | 21.060.10 |
| Word Count Estimation | 4,454 |
| Date of Issue | 1985/8/1 |
| Date of Implementation | 1986/6/1 |
| Older Standard (superseded by this standard) | GB 845-1976 |
| Quoted Standard | GB/T 5280-1985; GB 3098.5-1985; GB/T 3103.1-1982; GB/T 944.1-1985; GB/T 5267-1985; GB/T 90-1985 |
| Adopted Standard | ISO 7049-1983, MOD |
| Drafting Organization | Standardization Institute of the Ministry of Machinery Industry |
| Administrative Organization | Standardization Institute of the Ministry of Machinery Industry |
| Summary | This standard specifies the thread size for the ST 2. 2 ~ ST 9. 5 of Phillips pan head self-tapping screws. |
ENGLISH: GB/T 845-1985 (Translated) 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 released/modified date: 2017-03-06 / 2019-03-24. Translated/reviewed by: Wayne Zheng et al.)
https://www.chinesestandard.net/PDF.aspx/GBT845-1985