Standard No.:	GB/T 794-1993
English Name:	Strengthened cap head square neck bolts
Chinese Name:	加强半圆头方颈螺栓
Chinese Classification:	J13    Fastener
Professional Classification:	GB    National Standard
ICS Classification:	21.060.10 21.060.10    Bolts, screws, studs 21.060.10
Issued by:	AQSIQ
Issued on:	1993-3-1
Implemented on:	1993-12-1
Status:	superseded
Superseded by:	GB/T 794-2021 Strenthened cup head square neck bolts
Superseded on:	2022-7-1
Superseding:	GB 794-1967
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	184.0
Delivery:	via email in 1 business day

1 Subject Content and Application Scope This standard specifies level B and level C cap head square neck bolts with the thread specification of M 6 ~M 20. Note: varieties of commodity fastening pieces shall be given priority. 2 Normative References GB 196 General Purpose Metric Screw Threads-Basic Profile GB 197 General Purpose Screw Threads-Tolerances and Fits GB 2 Fasteners-Ends of Parts with External Thread GB 3098.1 Mechanical Properties of Fasteners-Bolts, Screws and Studs Tolerances for Fasteners-Bolts, Screws, Studs and Nuts GB 90 Acceptance Inspection, Mark and Package for Fastener GB 1237 Designation System for Fasteners 3 Dimension Type A is according to the requirements of Figure 1 and Table 1. Type B is according to the requirements of Figure 2 and Table 2.

Contents 1 Subject Content and Application Scope 2 Normative References 3 Dimension 4 Technical Conditions 5 Marking