18kN Heavy Duty Steel Buckle – High Strength Safety Connector for Harness System
group nameSteel Buckles
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Min Order1 piece
brand nameKinSafety PPE Wholesale Manufacturer
modelJS-4001-2
payment methodT/T, L/C, D/P D/A, MoneyGram
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update timeSat, 06 Dec 2025 06:42:27 GMT
Paramtents
Material Sheet steel, Heat treated
Item number JS-4001-2
Internal diameter 47mm
Packging & Delivery
Min Order1 piece
Briefing
18kN heavy-duty steel buckle for harness systems, offering high strength, secure load connection, and reliable durability for industrial safety use.
Detailed
JS-4001-2 18kN Steel Buckles Description
The 18kN Heavy Duty Steel Buckle is a high-strength connection component designed for industrial safety harnesses, climbing gear, and rescue equipment.
Constructed from forged carbon steel and treated with advanced anti-corrosion coating, it provides exceptional load-bearing capacity, surface durability, and mechanical stability under demanding environments.
Rated to 18kN (≈1800kg), this buckle ensures secure webbing connection and consistent performance in fall arrest, work positioning, and lifting applications.
JS-4001-2 18kN Steel Buckles Parameters
Any Color (Can be customized) | Steel Buckles |
| Item number | JS-4001-2 |
| Material | Sheet steel Heat treated |
| Packing size | Canton: 50pcs/ctn 36.5*26*12cm |
| Packing by | Mail box |
Available color | Any Color (Can be customized) |
Function | For construction sites, power facilities, miners, oil exploration, rock climbing and outdoor sports |
Professional JS-4001-2 18kN Steel Buckles Purchase Guide
1. Material & Durability
Crafted from premium forged alloy steel, this buckle is engineered for superior strength, wear resistance, and dimensional stability. The steel body undergoes precision stamping and heat treatment, ensuring consistent structural integrity under repetitive loading and vibration.
Surface treatment options include zinc plating, electrophoretic coating, or hot-dip galvanization, providing a durable, anti-corrosion barrier against rust and abrasion. The result is a buckle that maintains long-term mechanical performance and a professional appearance even under demanding industrial use.
✅ OEM Advantage: High consistency in tensile performance, multiple surface finishing options, and dimensional precision designed for global PPE and safety harness manufacturers.
2. Outdoor Environmental Adaptability
Designed to withstand harsh outdoor and industrial conditions, this steel buckle performs reliably in high humidity, salt exposure, and temperature variation environments. The protective coating resists oxidation, UV degradation, and surface corrosion, ensuring a stable connection performance even after prolonged outdoor exposure.
For extreme weather or marine conditions, optional nickel plating or powder coating provides enhanced resistance to rust and chemical corrosion, ideal for rescue operations, offshore work, and tower maintenance applications.
✅ Performance Proven In: Climbing harnesses, fall arrest systems, and industrial rigging setups requiring consistent performance across varied environments.
3. Load Performance & Safety Factor
Each buckle is rigorously tested to a minimum breaking strength of 18kN (≈1,800kg), meeting EN361 and ANSI Z359 safety requirements. The reinforced locking structure ensures secure webbing engagement, preventing accidental release or slippage under dynamic tension.
Every production batch undergoes tensile, fatigue, and static load testing to guarantee stability and reliability for OEM integration. The buckle’s high safety factor (≥5:1) ensures dependable protection in fall arrest and restraint systems.
✅ Safety Guarantee: Certified performance verified under international standards—engineered for maximum safety in professional industrial and rescue environments.
4. Structural Craftsmanship & Detail Finishing
Engineered with precision-cut geometry and rounded edges, this buckle allows smooth webbing passage while minimizing friction and strap wear. The polished surface and deburred contours enhance both functionality and user comfort.
The locking teeth and adjustment bars are designed for stable tension retention under load, while the overall structure ensures even stress distribution. Each buckle is individually inspected and polished, with optional laser-engraved logos, serial numbers, or surface finishes to meet branding and compliance requirements.
✅ Why Choose Us:
Over 30 years of expertise in metal stamping, forging, and surface finishing for safety hardware
Proven export quality trusted by European and American PPE brands
In-house load, fatigue, and salt-spray testing to ensure long-term reliability
OEM/ODM customization for dimensions, coating, and brand identification
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- Nearest port for product export
- Ningbo
- Delivery clauses under the trade mode
- FOB, CFR, CIF, EXW
- Acceptable payment methods
- T/T, L/C, D/P D/A, MoneyGram