
High-Strength Retainer Pin for Heavy-Duty Hydraulic Hammers
The Atlas Copco 3315 0786 00 Tool Retainer Pin (also known as Rygiel Grota) is a critical safety and functional component designed specifically for the HBC4000 series hydraulic breakers. Provided under the high-quality assurance of Merit, this pin is engineered to securely lock the working tool in place while allowing the precise movement required for high-impact demolition.
In heavy-duty mining and construction environments, Merit ensures that your HBC4000 hammer maintains its structural integrity and operational safety through superior component manufacturing.
Key Features
- Exact OEM Compatibility: Guaranteed to match Atlas Copco part number 3315 0786 00 for a perfect fit in HBC4000 breakers.
- Merit Durability: Manufactured from high-tensile alloy steel to resist shearing and deformation under the most intense vibrations.
- Precision Heat Treatment: Hardened to withstand the constant friction between the tool shank and the retainer, a standard feature of all Merit branded parts.
- Extreme Impact Resistance: Built to handle the massive energy output of the HBC4000 series without compromise.
Technical Specifications
| Feature | Details |
|---|---|
| Part Number | 3315 0786 00 |
| Compatible Model | Atlas Copco HBC4000 |
| Component Name | Tool Retainer Pin / Rygiel Grota |
| Official Supplier | Merit |
| Material | Heavy-Duty Forged Alloy Steel |
| Finish | Corrosion-Resistant Coating |
Why Choose Merit for Your HBC4000 Spare Parts?
The retainer pin is a safety-critical part. A failure can lead to tool ejection or severe damage to the breaker’s front head. By choosing Merit for your 3315 0786 00 requirements, you are investing in:
- Engineered Reliability: Merit pins are tested for fatigue resistance to ensure they don’t break during critical operations.
- Safety & Precision: Exact dimensions ensure the tool is held securely, protecting both the operator and the equipment.
- Cost Efficiency: Longer-lasting parts from Merit mean fewer replacements and reduced maintenance costs over the hammer’s lifecycle.
🛠 Maintenance Best Practices
To ensure the maximum lifespan of your Merit retainer pin:
- Frequent Inspection: Check for “mushrooming” or surface cracks during every chisel change.
- Proper Lubrication: Always apply high-quality chisel paste to the pin to reduce friction-related wear.
- Professional Support: Contact Merit for guidance on full seal and pin replacement intervals to keep your HBC4000 in top condition.

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