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GB/T 31.1-2013Hexagon bolts with split pin hole on shank (English PDF)

六角头螺杆带孔螺栓

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

June 9, 2013

Implementation date

March 1, 2014

Scope

GB/T 31.1-2013 is the English-translated version of 六角头螺杆带孔螺栓.

GB/T 31.1-2013 is the Chinese standard "Hexagon bolts with split pin hole on shank". Its scope clause reads: This standard specifies the thread size is M6 ~ M48, product grade A and B grade hex head bolts with.

This standard specifies the bolt shank is in GB/T 5782 products made out cotter pin hole. Its clauses include dimensions.

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Document preview — GB/T 31.1-2013

National Standard of the People's Republic of China

ICS: 21.060.10
Classification: J 13
Replacing: GB/T 31.1-1988

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Dimensions

1 Scope

This standard specifies the thread size is M6 ~ M48, product grade A and B grade hex head bolts with.

This standard specifies the bolt shank is in GB/T 5782 products made out cotter pin hole.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 90.1 Fasteners acceptance inspection

GB/T 90.2 Fasteners marking and packaging

GB/T 196 common thread basic size

GB/T 197 common thread tolerance

GB/T 1237 marking method fasteners

GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs

GB/T 3098.6 Mechanical properties of fasteners stainless steel bolts, screws and studs

GB/T 3103.1 Tolerances for fasteners - Bolts, screws, studs and nuts

GB/T 5267.1 fasteners plating layer

GB/T 5267.2 fasteners non-electrolytic zinc flake coating

GB/T 5278 cotter pin fastener holes and wire holes

GB/T 5779.1 Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements

GB/T 5782 Hexagon head bolts

GB/T 16938 Fasteners Bolts, screws, studs and nuts conditions

3 Dimensions

Type dimensions shown in Figure 1, the preferred specifications and dimensions are shown in Table 1, the non-preferred specifications and dimensions are shown in Table 2; the rest of the pattern size according to GB/T 5782

Provisions.

figure 1 […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GBT 90.2

Cited by

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Editions of GB/T 31.1

Edition	Title	Revision	Status
GB/T 31.1-2013	Hexagon bolts with split pin hole on shank	current edition	Current
GB/T 31.1-1988	Hexagon bolts with split pin hole on shank	previous edition	Superseded

This page sells the current edition, GB/T 31.1-2013. Earlier editions are listed for reference only.

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