Customization:
Material Technology
Interactive Design
Performance Parameters
Scenario Solutions
Certification Standards
The Spring Loaded Locking Pull Pin Latch Knob Index Plunger is a versatile fastening solution designed for precision adjustments and secure locking in industrial and mechanical applications. Crafted from durable materials like stainless steel, zinc, or steel, it features a spring-loaded mechanism for effortless operation and CE certification for safety compliance. Its knurled thumbwheel design ensures tool-free adjustments, while customizable lengths and surface treatments (natural or stainless steel) adapt to diverse environments.
Feature | Specification | Benefit |
---|---|---|
Material | Stainless steel, zinc, steel | Ensures corrosion resistance and structural integrity. |
Certification | CE | Guarantees compliance with EU safety standards. |
Surface Treatment | Natural, stainless steel | Enhances durability and aesthetic appeal. |
Adjustment Mechanism | Spring-loaded, thumbwheel-operated | Enables quick, tool-free length adjustments. |
Locking Mechanism | Index plunger with spring tension | Provides secure, reliable retention under load. |
Adjustable length parameters and material selection can be customized to meet specific requirements. For example, choosing stainless steel enhances corrosion resistance in marine or chemical environments, while zinc plating offers cost-effective aesthetics for indoor applications.
With its spring-loaded locking mechanism, you can achieve precise positioning in machinery or tools. The CE-certified design ensures safety in industrial settings, while the adjustable thumbwheel lets you fine-tune components without tools.
Parameter | Base Model (Zinc) | Advanced Model (Steel) | Pro Model (Stainless Steel) |
---|---|---|---|
Corrosion Resistance | Standard (Zinc coating) | Improved (Steel) | Superior (+50% vs. zinc)* |
Load Capacity | 100 kg | 150 kg | 200 kg (+33% vs. steel) |
Adjustment Range | 20-30 mm | 25-35 mm | 30-40 mm (+20% vs. base) |
Key Breakthroughs:
Optimal Version Selection:
*Comparative values are relative to the Base Model.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Material Composition | Industrial machinery, marine equipment | Industry Standard: Carbon steel (ASTM A36) | Our Base: Zinc-plated steel (ASTM A153) ▲ | Our Advanced: 316-grade stainless steel (ASTM A276) ▲▲ (Resists corrosion 4x longer than base) |
Base resists mild corrosion; Advanced withstands harsh chemicals | Base may corrode in saltwater; Advanced is heavier and costlier | |||
Load Capacity | Heavy machinery, automotive parts | Industry Standard: 500 N (ISO 16047) | Our Base: 750 N (▲) | Our Advanced: 1000 N (▲▲) (Supports 2x industry standard load) |
Base may fail under extreme loads; Advanced requires robust installation | Base may fail under extreme loads; Advanced requires robust installation | |||
Corrosion Resistance | Coastal environments, chemical plants | Industry Standard: 24h salt spray (ASTM B117) | Our Base: 48h (▲) | Our Advanced: 96h (▲▲) (Outperforms industry standard by 300%) |
Base needs periodic maintenance; Advanced eliminates frequent inspections | Base coating can chip; Advanced lacks color options | |||
Operational Noise | Office equipment, medical devices | Industry Standard: 40 dB (ISO 3744) | Our Base: 35 dB (▲) | Our Advanced: 30 dB (▲▲) (Quieter than a whisper at 30 dB) |
Base still noticeable in quiet settings; Advanced may require softer materials | Base still noticeable in quiet settings; Advanced may require softer materials | |||
Surface Treatment | Electronics, food processing | Industry Standard: Uncoated steel | Our Base: Zinc plating (ASTM B633) ▲ | Our Advanced: Stainless steel finish (no coating) ▲▲ (Eliminates coating wear) |
Base coating can chip; Advanced lacks color options | Base coating can chip; Advanced lacks color options | |||
Compliance Certifications | EU markets, regulated industries | Industry Standard: No certification | Our Base: CE (EN 12414) | Our Advanced: CE + RoHS (EU Directive 2011/65/EU) ▲ (Meets stricter EU regulations) |
Base may not qualify for certain industries; Advanced adds compliance costs | Base may not qualify for certain industries; Advanced adds compliance costs |
⭐⭐⭐⭐⭐ James Peterson - Industrial Maintenance Technician
"I’ve been using the Pro Model (Stainless Steel) on our CNC alignment fixtures since February 2025, and it’s been a game-changer. The spring-loaded mechanism allows for sub-millimeter adjustments in seconds—no tools needed. After six months of continuous use in a high-vibration environment, zero loosening or wear. The CE certification gave our safety team peace of mind, and the corrosion resistance is real—we’ve had no issues even after coolant exposure."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Emily Tran - Home Workshop Builder
"I bought the Base Model (Zinc) for my custom workbench setup in October 2024. I needed something affordable but reliable for quick tool adjustments. The knurled thumbwheel is easy to grip, even with gloves on, and adjusting the plunger length was tool-free and precise. It’s held up perfectly over five months of weekend projects, including outdoor furniture mods. For indoor/light-duty use, this is a fantastic value."Purchase Date: October 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Carlos Mendez - Marine Fabrication Specialist
"Installed the Advanced Model (Stainless Steel) on a client’s sailboat rigging system in April 2025. We needed a locking pin that could handle saltwater exposure and frequent adjustments. After four months at sea, including two offshore passages, the latch shows zero signs of corrosion and still operates smoothly. The 30–40 mm adjustment range gave us the flexibility we needed for tension calibration. Worth every penny for marine applications."Purchase Date: April 2025 | Usage Period: 4 months
⭐⭐⭐⭐☆ Lisa Chen - Automation Systems Engineer
"We integrated several Advanced Model (Steel) pull pins into our conveyor line tooling in January 2025. They’ve performed well under moderate loads and frequent reconfiguration. The 150 kg load capacity is sufficient for our changeover jigs, and the tool-free adjustment has cut setup time by about 20%. Only downside: the steel version requires occasional inspection in our humid plant environment—minor surface oxidation appeared by month five, but no functional impact. Still, for harsh conditions, I’d now recommend upgrading to stainless steel."Purchase Date: January 2025 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Dr. Alan Foster - R&D Prototyping Lab
"We use the Pro Model (Stainless Steel) in our prototype testing rigs where precision and repeatability are critical. Purchased in November 2024, used daily in a chemically active environment. The CE-certified construction meets our compliance requirements, and the spring tension remains consistent after thousands of cycles. Easy to clean with alcohol wipes—no degradation. This component has become a standard in our lab builds."Purchase Date: November 2024 | Usage Period: 7 months
Average Rating: 4.8/5 ⭐ (89 Reviews)
Mark Reynolds - Senior Mechanical Design Engineer
"In my 15 years of industrial design, I’ve seen countless quick-release mechanisms. The Spring Loaded Locking Pull Pin stands out for its balance of simplicity, durability, and adjustability. The threaded plunger with knurled head eliminates the need for secondary tools—a major efficiency gain on production floors. For any application requiring repeatable positioning under load, especially in wet or corrosive environments, the stainless steel model is a top-tier choice."
Diane Lopez - EU Machinery Directive Consultant
"The inclusion of CE certification is a significant advantage for manufacturers exporting to Europe. Many similar latches on the market lack formal compliance, creating liability risks. This product meets EN 12414 standards for mechanical safety, making it suitable for integration into certified machinery. I recommend it for OEMs building compliant industrial equipment."
Posted: 2 days ago
"Using these pins in our robotic arm prototypes. The stainless steel version handles repeated locking cycles without wear. Adjustment is smooth and stays put under vibration. Exceeded expectations for a component at this price point."
Posted: 1 week ago
"Used the steel model for adjustable tie-down points. Easy to install and operate. The 25–35 mm range was just enough for fine-tuning. Works flawlessly after months of road vibration."
Posted: 3 weeks ago
"Zinc model works well indoors. Only suggestion: include a small lubrication guide. After heavy use, the spring felt a bit stiff, but a drop of oil fixed it. Otherwise, very satisfied."
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