GB/T 70.2-2025Fasteners - Hexagon socket screws - Part 2: Hexagon socket button head screws with reduced loadability (English PDF)
紧固件 内六角螺钉 第2部分：降低承载能力内六角平圆头螺钉
Also coversGB/T70.2-2025 + GBT70.2-2025
This is a limited preview
Buy now to download the full PDF (17 pages)
Need quotation for your management?
Get a formal quotation for GB/T 70.2-2025 in 30 minutes.
Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
February 1, 2026
Scope
GB/T 70.2-2025 is the English-translated version of 紧固件 内六角螺钉 第2部分：降低承载能力内六角平圆头螺钉.
Hexagon socket screws are used in machinery, equipment and electronics assembly. This standard, Part 2 of the hexagon socket screw series, covers hexagon socket button head screws with reduced loadability. The reduced loadability designation in the title distinguishes them from screws of the full-load type. It is a recommended national standard.
Fastener manufacturers, distributors, design engineers, purchasing departments, incoming inspection staff and importers of machinery that is built with Chinese parts can use it to specify these screws consistently. It also helps buyers who need drawings and orders that reference an agreed product standard.
The 2025 edition was issued on 31 October 2025 and took effect on 1 February 2026. It replaces GB/T 70.2-2015, so catalogues and drawings referencing the earlier edition should be updated.
Found what you need?
Document preview — GB/T 70.2-2025
National Standard of the People's Republic of China
- ICS
- 21.060.10
- Classification
- J13
- Replacing
- GB/T 70.2-2015
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
GB/T 70.2-2025 is a recommended national standard (GB/T) of the People's Republic of China, issued on 31 October 2025 by the State Administration for Market Regulation and the Standardization Administration of China, with effect from 1 February 2026.
This edition replaces GB/T 70.2-2015.
The document adopts an international standard (ISO or IEC).
It is under the responsibility of the China Machinery Industry Federation.
Classification: ICS 21.060.10; CCS J13.
1 Scope
Hexagon socket screws are used in machinery, equipment and electronics assembly. This standard, Part 2 of the hexagon socket screw series, covers hexagon socket button head screws with reduced loadability. The reduced loadability designation in the title distinguishes them from screws of the full-load type. It is a recommended national standard.
Fastener manufacturers, distributors, design engineers, purchasing departments, incoming inspection staff and importers of machinery that is built with Chinese parts can use it to specify these screws consistently. It also helps buyers who need drawings and orders that reference an agreed product standard.
The 2025 edition was issued on 31 October 2025 and took effect on 1 February 2026. It replaces GB/T 70.2-2015, so catalogues and drawings referencing the earlier edition should be updated.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 70.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 70.2-2025 | Fasteners - Hexagon socket screws - Part 2: Hexagon socket button head screws with reduced loadability | current edition | Current |
| GB/T 70.2-2015 | Hexagon socket button head screws | previous edition | In force until 1 February 2026 |
This page sells the current edition, GB/T 70.2-2025. Earlier editions are listed for reference only.
How to Download GB/T 70.2-2025
- 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.
Related Standards
GB/T 70.1-2008 — Hexagon socket head cap screws
GB/T 70.2-2015 — Hexagon socket button head screws
GB/T 70.4-2025 — Fasteners - Hexagon socket screw - Part 4: Hexagon socket button head screws with collar and reduced loadability
Secure payment via Stripe
Payments accepted
GB/T 70.2-2025
$300.00