Spring Snap Hooks and Quick Links
Snap Hook DIN 5299C Carabiner Spring Hooks
A DIN 5299 C compliant spring-loaded snap hook designed for quick, secure connection and disconnection in rigging and load control applications. Available in sizes from 4mm to 14mm diameter with working load limits from 80 lbs to 900 lbs. Constructed from carbon steel, stainless steel 304 or 316, or aluminum alloy, with surface finishes including galvanized, oxide, or spray paint. Used across industrial, marine, and construction settings where reliable, repeatable attachment is required without tools.
- Size
- From dia 4mm-14mm
- Material
- Carbon Steel/SS304/SS316 Surface: Galvanized/Oxide/Spray paint
- Packing
- Cartons + Pallets
- Catalogue Family
- Spring Snap Hooks and Quick Links
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Snap Hook DIN 5299C Carabiner Spring Hooks Gives You
- Spring-loaded gate opens and closes with one hand for fast rigging and release in high-cycle operations
- DIN 5299 C standard compliance ensures interchangeability and consistent performance across global supply chains
- Galvanized, oxide, or spray paint finishes resist corrosion in humid, salty, or outdoor environments
- Carbon steel and stainless steel variants offer strength and durability for heavy-duty lifting and towing
- Aluminum alloy version reduces weight for applications where payload or handling ease matters
- Clear working load limit stamped on the body for traceability and safe use in field operations
- Compact design fits into tight spaces where a larger shackle or link would not
Application Scenarios
Where Snap Hook DIN 5299C Carabiner Spring Hooks Is Used
- Industrial rigging teams connecting slings, chains, or cables to loads on cranes or hoists
- Marine operations securing mooring lines, anchor chains, or deck equipment on vessels
- Construction sites attaching temporary guy wires, safety lines, or lifting gear to structural steel
- Logistics and transport operations for securing cargo on trailers with ratchet straps or chains
- Maintenance crews connecting tools, ladders, or equipment to overhead hoists or scaffolding
- Oil and gas field service teams using quick-connect hardware on temporary rigging and lifting setups
Who It Is For
Buyers This Product Is Built For
- Industrial rigging contractors sourcing standardized, compliant snap hooks in bulk
- Marine equipment suppliers building mooring and anchoring kits for offshore or coastal vessels
- Logistics and transport fleets specifying durable, tool-free attachment hardware for cargo tie-down
- Construction safety managers requiring traceable, stamped hardware for site compliance
- Equipment rental companies stocking interchangeable snap hooks across multiple job sites
- Manufacturers of rigging kits and tool sets needing a standard spring hook with consistent dimensions
Problems It Solves
Problems This Product Removes
- Need for a tool-free, fast-acting connector in high-frequency rigging tasks where time and access matter
- Risk of using non-compliant or inconsistent snap hooks that fail under load or do not match existing hardware
- Corrosion damage from saltwater or moisture in marine and outdoor environments
- Overweight or bulky hardware that hinders access in tight or confined rigging zones
- Lack of traceability in field use due to missing or illegible load markings on the hook
- Sourcing snap hooks from multiple suppliers with different dimensions and standards
Technical Features
Technical Features
- Spring-loaded gate with positive closure for reliable engagement under load
- DIN 5299 C standard compliance for dimensional and performance consistency
- Working load limit stamped on the body for field traceability
- Available in carbon steel, stainless steel 304, stainless steel 316, or aluminum alloy
- Surface finishes: galvanized, oxide, or spray paint to suit environmental conditions
- Sizes from 4mm to 14mm diameter with corresponding WLL from 80 lbs to 900 lbs
- Designed for single-point connection with no need for additional fasteners or tools
Specifications
Snap Hook DIN 5299C Carabiner Spring Hooks Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Standard | DIN 5299 C |
|---|---|
| Capacity Range | 80 lbs to 900 lbs working load limit |
| Size Range | 4mm to 14mm diameter |
| Material | Carbon steel, Stainless steel 304, Stainless steel 316, Aluminum alloy |
| Surface Finish | Galvanized, Oxide, Spray paint |
| 4mm Dimensions | A 4 B 20 C 40 D 7 F 7 mm |
| 5mm Dimensions | A 5 B 25 C 50 D 8 F 7 mm |
| 6mm Dimensions | A 6 B 30 C 60 D 9 F 8 mm |
| 7mm Dimensions | A 7 B 35 C 70 D 10 F 8 mm |
| 8mm Dimensions | A 8 B 40 C 80 D 12 F 9 mm |
| 9mm Dimensions | A 9 B 45 C 90 D 12 F 10 mm |
| 10mm Dimensions | A 10 B 50 C 100 D 15 F 11 mm |
| 11mm Dimensions | A 11 B 57 C 120 D 18 F 16 mm |
| 12mm Dimensions | A 12 B 67 C 140 D 20 F 19 mm |
| 13mm Dimensions | A 13 B 74 C 160 D 22 F 25 mm |
| 14mm Dimensions | A 14 B 86 C 180 D 22 F 35 mm |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials
Materials And Finishes
- Carbon steel body for high strength and impact resistance
- Stainless steel 304 or 316 for corrosion resistance in marine and chemical environments
- Aluminum alloy for reduced weight in non-load-bearing or handling-critical applications
- Galvanized coating to resist rust and oxidation in outdoor or humid conditions
- Oxide finish for a clean, non-reflective surface in industrial settings
- Spray paint for color coding or visual identification in multi-system operations
Manufacturing Process
How This Product Is Made
1Material selection based on application and environmental exposure
2Cutting and forming of the hook blank from bar stock
3Heat treatment or tempering to achieve required mechanical properties
4Machining of the gate spring and pin hole for precise fit
5Assembly of the spring-loaded gate and closure mechanism
6Surface treatment: galvanizing, oxide coating, or spray painting
7Stamping of working load limit and DIN 5299 C marking
8Proof load testing and dimensional inspection before packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches to verify compliance with WLL
- Dimensional tolerance check against DIN 5299 C specifications
- Breaking strength validation to confirm 4:1 design factor
- Gate operation test for smooth opening and closing under load
- Material Test Certificate to EN 10204 3.1 issued with the order on request
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the body for specific load requirements
- Private label and OEM marking for brand-specific packaging
- Surface finish to order: galvanized, oxide, or spray paint in specified colors
- Custom size and configuration built to a supplied drawing
- Packing configuration tailored to carton count and pallet pattern for warehouse or retail use
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Screw pin shackle | The spring hook allows tool-free connection and disconnection, but a screw pin shackle offers higher resistance to accidental opening under shock load |
| Rigid link | The spring hook is faster to use but less secure under dynamic or high-vibration loads where a rigid link prevents gate movement |
| Snap hook with threaded pin | The DIN 5299 C spring hook has a standardized, interchangeable design, while a threaded pin version may not match existing hardware |
| Aluminum alloy snap hook | The carbon steel version has higher strength and load capacity, but aluminum is lighter and better for handling in repetitive use |
Use Guide
How To Use And Inspect Snap Hook DIN 5299C Carabiner Spring Hooks
- Verify the stamped working load limit matches the expected load before use
- Inspect the gate spring for fatigue, deformation, or loss of tension before each use
- Ensure the hook opens fully and closes securely without binding or misalignment
- Avoid side loading or twisting the hook, which can reduce strength and cause failure
- Do not use if the surface finish is damaged or if the marking is illegible
- Replace the hook if the gate no longer closes properly or if the body shows signs of bending
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Answers
Snap Hook DIN 5299C Carabiner Spring Hooks FAQ
Is this hook compliant with DIN 5299 C?
Yes. All sizes and materials are manufactured to the DIN 5299 C standard for dimensions, strength, and performance.
What materials are available?
Carbon steel, stainless steel 304, stainless steel 316, and aluminum alloy. Each is selected based on strength, weight, and environmental resistance.
What surface finishes are offered?
Galvanized, oxide, and spray paint. These are selected based on corrosion resistance and application environment.
Can you provide a Material Test Certificate?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with the order on request.
Can I get custom tonnage stamping or branding?
Yes. Custom tonnage stamping, private label marking, and OEM packaging are standard options.
How are the hooks packed for export?
Cartons on pallets. We can configure the carton count and pallet pattern to match your warehouse or retail pack requirements.
What is the working load limit range?
From 80 lbs to 900 lbs, depending on size and material. The WLL is stamped on each hook body.
Need A Quote On Snap Hook DIN 5299C Carabiner Spring Hooks
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.