150kg Heavy Duty Steel Buckle – High Strength Hardware for Industrial Safety Belts
group nameSteel Buckles
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Min Order1 piece
brand nameKinSafety PPE Wholesale Manufacturer
modelJS-4060-1
payment methodT/T, L/C, D/P D/A, MoneyGram
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update timeSun, 07 Dec 2025 06:03:31 GMT
Paramtents
Material Zinc alloy
Item number JS-4060-1
Internal diameter 53mm
Packging & Delivery
Min Order1 piece
Briefing
High-strength 150kg steel buckle for industrial safety belts, ensuring secure load bearing, durability, and reliable performance in harsh environments.
Detailed
JS-4060-1 Steel Buckles Description
The 150kg Heavy Duty Steel Buckle is precision-engineered for professional safety applications where reliability and load security are non-negotiable. Designed to deliver exceptional tensile strength, anti-corrosion performance, and smooth belt adjustment, it’s the ideal component for industrial safety harnesses, tool belts, and fall protection systems.
Built from cold-forged carbon steel and treated for maximum surface durability, this buckle ensures consistent safety performance even under daily heavy use in harsh environments.
JS-4060-1 Steel Buckles Parameters
Any Color (Can be customized) | Buckle |
| Item number | JS-4060-1 |
| Material | Zinc alloy |
| 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-4060-1 Steel Buckles Purchase Guide
1. Material & Durability
Crafted from premium carbon steel and precision-stamped under strict tolerance control, this heavy-duty buckle delivers reliable tensile performance and long-lasting durability. The steel body is heat-treated for enhanced hardness and fatigue resistance, ensuring that it maintains its shape and locking strength even after thousands of load cycles.
The surface can be treated with zinc plating, electrophoresis, or powder coating, providing a uniform finish that resists scratches, corrosion, and metal fatigue. This ensures stable performance across continuous daily use in industrial and safety harness systems.
✅ Benefit to OEMs: Consistent quality, customizable coatings, and uniform dimensional precision for easy integration into industrial safety belts, lanyards, and harness assemblies.
2. Outdoor Environmental Adaptability
Designed for rugged field conditions, this steel buckle performs reliably in high-humidity, high-temperature, or marine environments. Anti-corrosion finishes such as nickel plating or hot-dip galvanization provide superior protection against oxidation, ensuring the metal remains bright and functional even after long-term outdoor exposure.
For demanding applications — including construction, tower climbing, and offshore rescue operations — this buckle offers UV, salt, and chemical resistance, making it ideal for professional-grade safety systems.
✅ Durability proven in: Outdoor safety gear, marine rigging, and industrial lifting systems operating in harsh environmental conditions.
3. Load Performance & Safety Factor
Each buckle undergoes tensile and static load testing to verify its rated capacity of 150kg, ensuring safety and reliability in both dynamic and static applications. The reinforced locking mechanism maintains secure closure under shock and vibration, preventing accidental release under heavy tension.
With strict adherence to EN and ANSI standards, every production batch is individually inspected for load-bearing consistency and deformation limits. Optional laser-engraved load markings enhance traceability and compliance for OEM safety audits.
✅ Safety Guarantee: Reliable 150kg rated strength with a safety factor exceeding 5:1 under controlled laboratory testing.
4. Structural Craftsmanship & Detail Finishing
The buckle's geometry is engineered for smooth belt feeding and uniform stress distribution, reducing wear on straps and maintaining user comfort in prolonged use. Rounded edges and polished contact surfaces prevent fabric abrasion, while automated stamping and deburring ensure precise contouring and a professional appearance.
Every component — from the locking bar to the pivot point — is precision-assembled and inspected to ensure seamless performance. Optional custom engraving, color coating, and branding are available to support your OEM production needs.
✅ Why Choose Us:
Over 30 years of experience in metal stamping and forging for safety hardware.
Export-proven quality trusted by European and American safety gear manufacturers.
Stable supply, flexible customization, and strict quality control for high-volume OEM production.
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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