MANUFACTURER PRODUCT FILE · 2026-10-22
Steel-structure fasteners
Gem-Year Industrial Co., Ltd. ↗Gem-Year publishes a dedicated structural-fastener series. Its listed standards and ranges describe the series; they do not establish interchangeable assemblies or current certification.
Request quote, sample or documents →Steel-structure fasteners
- Materials
- Low/medium-carbon steel and alloy steel
- Metric production range
- M16–M30, cold forged
- Inch production range
- 1/2–1 1/4 in cold forged; 1 3/8–1 1/2 in hot forged

YOUR NEXT STEP
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Checked on 2026-10-22. Published ranges describe the catalogue, not live stock or a confirmed quotation.
Open original technical source ↗What the source actually states.
| Parameter | Company-published information | Source |
|---|---|---|
| Materials | Low/medium-carbon steel and alloy steel | Company page ↗ |
| Metric production range | M16–M30, cold forged | Company page ↗ |
| Inch production range | 1/2–1 1/4 in cold forged; 1 3/8–1 1/2 in hot forged | Company page ↗ |
| Length | 40–280 mm | Company page ↗ |
| Published strength designation | 10.9S | Company page ↗ |
| Listed standards | AS 1252, GB/T 1231, JIS B1186, ASME B18.2.6, EN 14399, GB/T 10433 | Company page ↗ |
| Published surface finishes | Blackening and Dacromet-type coating | Company page ↗ |
Standards are listed as published by the company; no equivalence between standards, certification or suitability for your application is implied.
BEFORE QUOTATION
Confirm the selected configuration.
- Exact bolt/nut/washer assembly and standard edition
- Destination-market documentation and intended use
- Coating designation and assembly-level test records
Commercial details to request
- MOQ
- Not confirmed in this source
- Unit price / currency
- Not confirmed in this source
- Lead time
- Not confirmed in this source
- Sample availability
- Not confirmed in this source
- Packing & Incoterms
- Not confirmed in this source
- Current certificates / test reports
- Not confirmed in this source
Send a requirement for Steel-structure fasteners.
Include size, material, finish, quantity and destination. Your inquiry goes to the Honyawn Atlas team for review.