Stainless Steel Eye Sling Hook with Safety Latch
A4 316L Eye Sling Hook with Safety Latch — Marine & Offshore Grade Lifting Hardware
SINOFASTENEReye sling hook (eye sling hook marine) products are one-piece forged lifting hooks engineered for the most demanding marine and offshore load-bearing applications. Manufactured from AISI 316L (A4) stainless steel, each stainless steel crane hook features an integrated eye termination for direct connection to master links or shackles, plus a spring-loaded safety latch hook that meets EN 1677-4 requirements to prevent load disengagement during dynamic lift operations.
Our316L lifting hook range covers light-duty 5 kN utility models through to 200 kN+ heavy-lift class — making SINOFASTENER a trusted marine lifting hardware supplier for shipyards, platform operators, and crane service providers worldwide. Every chain sling hook offshore model is proof-load tested and fully traceable with batch-stamped WLL marking per EN 1677-1.
Marine & Offshore Applications
| Application | Hook Size | SINOFASTENER Advantage |
|---|---|---|
| Chain Sling Assembly (G80/G100) | 10–20mm | Hook matches chain grade; latch prevents load jump-out per ASME B30.9 |
| Ship Deck Crane Lower Block | 24–32mm | DNV 2.22 type approval available; high-cycle fatigue rated |
| Anchor Handling Tug (AHT) | 20–28mm | Impact resistance from snatch loads; survives 2× WLL shock |
| Offshore Platform Crane | 28–32mm+ | NORSOK R-003 compliance; NACE MR0175 for sour service |
| Lifeboat Davit Load Test | 12–16mm | SOLAS proof-load at 1.5× SWL; annual re-certification traceable |
Technical Specifications — EN 1677 / DIN 82101(DIN 82101 hook)
| Parameter | Specification |
|---|---|
| Base Material | AISI 316L / 1.4404 (A4), hot-forged |
| Standard Compliance | EN 1677-4 (Class 8), DIN 82101, DIN 6899, ASME B30.26 |
| Safety Factor | 4:1 general / 5:1 offshore lifting / 6:1 personnel lifting |
| WLL Range | 5 kN – 200+ kN (size-dependent) |
| Proof Load | 2.0 × WLL minimum (per EN 1677-1) |
| Breaking Load | ≥ 4.0 × WLL (Class 8 minimum) |
| Certification | EN 10204 3.1 / 3.2 MTC; DNV GL, ABS, LR, BV type approval on request |
Contact SINOFASTENER for Quotation
📧 Email: sales@sinofastener.com
🌐 Website: www.sinofastener.com
📍 Ningbo Zhonglian Fastener Manufacture Co., Ltd.— SINOFASTENER