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35kN Cold-Formed Steel Carabiner – Secure Locking Hook for Safety Harnesses
Detail Information
JS-1038 35kN Cold-Formed Steel Carabiner Description
The 35kN Cold-Formed Steel Carabiner is a high-strength locking connector developed for industrial fall protection, work-at-height harnesses, rescue systems, rope access equipment, anchorage assemblies, and heavy-duty safety applications.
Manufactured through a controlled cold-forming process, the steel body delivers a 35kN minimum breaking strength, high structural rigidity, and stable dimensional consistency across volume production. Its secure locking gate helps reduce accidental opening, while the smooth internal profile supports reliable connection with harness D-rings, lanyards, ropes, webbing loops, and anchorage hardware.
For safety harness manufacturers and PPE brands, this carabiner provides a dependable combination of high load capacity, durable steel construction, secure gate performance, and scalable OEM integration.
JS-1038 35kN Cold-Formed Steel Carabiner Parameters
Any Color (Can be customized) | Cold-Formed Steel Carabiner |
| Item number | JS-1038 |
| Material | Cold formed 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-1038 35kN Cold-Formed Steel Carabiner Purchase Guide
1. Material & Durability
Manufactured from high-strength cold-formed steel, this 35kN carabiner is engineered for demanding fall protection, rescue, rope-access, and industrial safety systems. The controlled cold-forming process helps produce consistent body geometry and efficient material distribution, strengthening the main load-bearing areas while maintaining stable dimensions across volume production.
According to the selected steel grade and performance requirements, controlled heat treatment can be applied to improve tensile strength, hardness, impact resistance, and fatigue durability. The reinforced steel structure provides dependable resistance to deformation, mechanical impact, and repeated connection cycles in intensive working environments.
Protective finishing options may include zinc plating, electrophoretic coating, or other customized corrosion-resistant treatments, allowing safety equipment manufacturers to select a suitable balance of durability, appearance, and environmental protection.
2. Outdoor Environmental Adaptability
Designed for outdoor and industrial use, this cold-formed steel carabiner maintains reliable functionality under exposure to rain, humidity, dust, temperature fluctuations, and frequent handling.
A uniform protective surface treatment helps reduce:
Rust and surface oxidation
Wear caused by repeated connection
Coating deterioration in humid conditions
Damage from dust and common jobsite contaminants
The connector is suitable for integration into safety harnesses, fall-arrest lanyards, work-positioning systems, rescue equipment, tower-climbing assemblies, and industrial rope-access hardware.
For coastal, marine, high-humidity, or chemically exposed environments, the coating type, thickness, and salt-spray performance can be specified according to the customer’s application and validation requirements.
3. Load Performance & Safety Factor
With a specified minimum breaking strength of 35kN, this steel carabiner provides a high load capacity for professional fall protection and industrial connection systems. Its reinforced profile is designed to guide the primary load toward the main spine, helping reduce stress concentration around the gate when the connector is correctly positioned and loaded along its major axis.
The locking mechanism helps reduce the risk of accidental gate opening caused by movement, vibration, or contact during operation. Depending on the final design, available configurations may include screw-lock, twist-lock, or automatic-locking gates.
Production quality can be evaluated through:
Major-axis tensile testing
Gate strength and alignment inspection
Locking-function verification
Opening and closing cycle testing
Fatigue and permanent-deformation checks
Dimensional and surface inspection
Batch identification and traceability control
Permanent 35kN markings, OEM logos, batch codes, and serial numbers can be added according to customer requirements.
The 35kN value represents the specified breaking strength and should not be treated as the working load limit. The applicable safety factor must be determined by the equipment manufacturer according to the complete system design, intended use, relevant standard, and risk assessment.
Compliance with EN 362, ANSI Z359, or other regional standards should only be stated when supported by product-specific testing and valid certification. Use in material lifting systems also requires separate application-specific approval.
4. Structural Craftsmanship & Detail Finishing
The carabiner features a reinforced steel profile engineered for stable load alignment, secure locking, and efficient connection with harness D-rings, lanyards, anchor points, ropes, and compatible safety hardware.
Key manufacturing details include:
Consistent cold-formed body geometry for reliable force transfer
Reinforced main spine for high load-bearing performance
Smooth internal contact surfaces to reduce rope and webbing abrasion
Rounded and carefully deburred edges with no sharp contact points
Precisely controlled gate alignment and spring tension
Smooth locking operation for repeated professional use
Uniform protective coating for improved corrosion resistance
Permanent laser marking for load rating and batch traceability
OEM/ODM customization may include body dimensions, gate opening, locking mechanism, surface finish, logo marking, traceability coding, packaging, and compatibility with specific harness or lanyard assemblies.
Our controlled forming, surface-finishing, load-testing, and batch-inspection capabilities help global safety harness manufacturers achieve stable quality, repeatable assembly performance, and reliable supply across bulk production orders.
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