Valid

GB/T 847-2017Cross-recessed raised countersunk (oval) head tapping screws (English PDF)

十字槽半沉头自攻螺钉

Preview PDF

This is a limited preview

Buy now to download the full PDF (11 pages)

Need quotation for your management?

Get a formal quotation for GB/T 847-2017 in 30 minutes.

Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Recommended

Issue date

July 12, 2017

Implementation date

February 1, 2018

Scope

GB/T 847-2017 is the English-translated version of 十字槽半沉头自攻螺钉.

GB/T 847-2017 is the Chinese standard "Cross-recessed raised countersunk (oval) head tapping screws". Its scope clause reads: This standard specifies the cross-groove semi-countersunk head tapping screws type size, technical conditions and marking.

This standard applies to thread specifications for the ST2.2 ~ ST9.5, product grade A cross recessed countersunk head self-tapping screws. Its clauses include type size.

Found what you need?

Document preview — GB/T 847-2017

National Standard of the People's Republic of China

ICS: 21.060.10
Classification: J 13

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Foreword
1 Scope
2 Normative references
3 type size

1 Scope

This standard specifies the cross-groove semi-countersunk head tapping screws type size, technical conditions and marking.

This standard applies to thread specifications for the ST2.2 ~ ST9.5, product grade A cross recessed countersunk head self-tapping screws.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

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

GB/T 90.1 fastener inspection (GB/T 90.1-2002, idtISO 3269.2000)

GB/T 90.2 Fasteners signs and packaging

GB/T 944.1 screws with a cross slot (GB/T 944.1-1985, eqvISO 4757.1983)

GB/T 1237 fastener marking method (GB/T 1237-2000, eqvISO 8991.1986)

GB/T 3098.5 mechanical properties of fasteners Self-tapping screws (GB/T 3098.5-2016, ISO 2702.2011, MOD)

GB/T 3098.21 Mechanical properties of fasteners Stainless steel self-tapping screws (GB/T 3098.21-2014, ISO 3506-4.2008,

MOD)

GB/T 3103.1 Fasteners Tolerances Bolts, screws, studs and nuts (GB/T 3103.1-2002, idtISO 4759-1.2000)

GB/T 5267.1 fastener plating (GB/T 5267.1-2002, ISO 4042.1999, IDT)

GB/T 5267.2 fasteners non-electrolytic zinc coating (GB/T 5267.2-2002, ISO 10683.2000, IDT)

GB/T 5267.4 Fastener surface treatment corrosion-resistant stainless steel passivation treatment (GB/T 5267.4-2009, ISO 16048.2003,

IDT)

GB/T 5276 Fasteners - Bolts, screws, studs and nuts Dimensions Code and Notations (GB/T 5276-2015, ISO 225.

2010, MOD)

GB/T 5279 countersunk head screw head shape and measurement (GB/T 5279-1985, idtISO 7721.1983)

GB/T 5279.2 Countersunk head screw Part 2. Cross recessed depth (GB/T 5279.2-1997, idtISO 7721-2.1990)

GB/T 5280 self-tapping screws (GB/T 5280-2002, idtISO 1478.1999)

GB/T 16938 General requirements for fasteners bolts, screws, studs and nuts (GB/T 16938-2008, ISO 8992.

2005, IDT)

3 type size

Self-tapping screw type size shown in Figure 1 and Table 1.

Size code and label should be consistent with GB/T 5276. […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 2702.2011 · ISO 3506 · ISO 4042.1999 · ISO 10683.2000 · ISO 16048.2003 · ISO 225 · ISO 8992

How to Download GB/T 847-2017

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.