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Dome Nut 3115208600 Epiroc Rock drifter Parts 3115 2086 00 Mining Equipment Nut

Dome Nut 3115208600 – Threads that stay put on Epiroc Drifters

The 3115208600 dome nut (3115 2086 00) is a straightforward replacement part we stock for Epiroc and Atlas Copco rock drills – COP 1838, 2238, and a long list of other COP-series drifters. It’s made from heat-treated alloy steel with a black oxide coating that helps fight rust and corrosion when the drill is working in wet or dusty headings. The dome design covers exposed threads so debris doesn’t foul them, and it’s one less sharp edge to snag a glove on. If you’re keeping a drifter in rotation underground, in a quarry, or on a construction site, this nut does what it’s supposed to: clamps tight and doesn’t back off.

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Dome Nut 3115208600 Epiroc Rock drifter Parts 3115 2086 00 Mining Equipment Nut
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Highlights
Key Advantages
  • Heat-treated alloy steel that holds up to the constant pounding and vibration inside a COP drifter – we’ve seen these go back into service after thousands of meters drilled.
  • Black oxide surface treatment isn’t cosmetic; it gives the nut a fighting chance against water, drilling fluid, and general pit corrosion so threads don’t seize solid.
  • Threads are machined to match the factory nut. You get a snug fit that doesn’t need a cheater bar to make it feel tight – follows Atlas Copco assembly specs.
  • The dome shape isn’t just for looks. It keeps rock fines and wash water out of the internal threads and eliminates a cut hazard from exposed stud ends.
  • We pack and ship these from stock in 5 working days, with freight included in the price – no surprise courier charges added later.
Use Cases
Applications
  • Tramming and drilling in underground headings: the nut holds bushings and spacers in place on COP 1838, 2238, and similar drifters so the percussion unit stays aligned.
  • Open-pit production drilling: on rigs running COP 1840 or 2560, this dome nut takes the shock of high impact rates without stretching.
  • Quarry benching: when the drifter is mounted on a feed and hitting all day, the nut keeps your assembly tight and reduces unplanned downtime for retorquing.
  • Drifter rebuilds: if you’re reassembling a COP 1238, 1638, or 2160, this nut is what you need to button up the front end correctly – same fit as the OEM part.
  • Fleet maintenance for Atlas Copco Boomer, Simba, and ROC rigs: we supply these in quantities for workshops that keep multiple drills running.
Specs
Technical Specifications
Part nameDome Nut
Part numbers3115208600 / 3115 2086 00
Fits brandEpiroc / Atlas Copco
MaterialHeat-treated alloy steel
FinishBlack oxide (corrosion resistant)
ThreadPrecision-cut internal thread
Weight0.95 kg approx.
ShippingAir freight / express, 5 working days
Details
Detailed Description
Use in :Cop 1032 , Cop 1238 , Cop 1238k , Cop 1440 , Cop 1532 , Cop 1638 , Cop 1638hd , Cop 1638hd+ , Cop 1838 , Cop 1838+ , Cop 1838cr , Cop 1838hd , Cop 1838hd+ , Cop 1838he+ , Cop 1838mux , Cop 1838mux+ , Cop 1840 , Cop 1840+ , Cop 1850 , Cop 1850cr , Cop 2160 , Cop 2238 , Cop 2238hd , Cop 2238hd+ , Cop 2550 , Cop 2550+ , Cop 2560 , Cop 2560+ , Cop Sc25 , Rd 18s , Rd 18u , Rd 22s , Rd 22u

3115028600 , 3115 0286 00 Dome Nut ATLAS COPCO – OEM Replacement by 3GEN Export
Introduction
The 3115028600, 3115 0286 00 Dome Nut ATLAS COPCO is an essential fastening component designed specifically for Atlas Copco rock drilling equipment. Engineered from premium-grade alloy steel, this dome nut is manufactured to endure extreme loads, vibration, and pressure during heavy-duty drilling and mining operations. By securing structural parts and preventing loosening under constant stress, the dome nut plays a crucial role in the reliability and long-term performance of Atlas Copco machinery.

At 3GEN Export, we supply OEM-quality 3115028600 Dome Nut ATLAS COPCO with global delivery in just 5 working days, ensuring your operations remain uninterrupted.

Technical Details and Specifications
Part Name: Dome Nut

Part Number: 3115028600 / 3115 0286 00

Brand: Atlas Copco

Category: Rock Drill Spare Part

Material: High-strength heat-treated alloy steel

Finish: Black oxide coated for corrosion resistance

Thread Type: Precision-machined internal thread

Application: Fastening and securing drilling assemblies

Weight: Approx. 0.95 KG

Compatibility: Multiple Atlas Copco rock drill models (listed below)

The nut’s dome-shaped end ensures protection of internal threads, preventing contamination from dust, debris, or drilling fluids, while also improving safety by covering sharp threading edges.

Key Features
1. Durability Under Extreme Stress
The 3115028600 Dome Nut ATLAS COPCO is manufactured with a robust heat-treated steel composition, making it resistant to wear and tear under high torque and vibration loads.

2. Corrosion Resistance
The black oxide surface treatment enhances resistance to rust and chemical exposure, ensuring reliable performance in harsh mining environments.

3. Secure Fastening Performance
Its precision threading and dome closure guarantee a tight lock, preventing loosening and potential machine downtime.

4. OEM-Quality Fitment
Engineered to Atlas Copco’s specifications, this dome nut integrates seamlessly with other rock drill parts, ensuring safe and efficient operation.

Compatible ATLAS COPCO Models
The 3115 0286 00 Dome Nut is widely used across several Atlas Copco drilling machines, including:

Atlas Copco COP 1238 Rock Drill

Atlas Copco COP 1838 Drifter

Atlas Copco COP 2238 Series

Atlas Copco ROC L7 Drilling Rigs

Atlas Copco Boomer Series (underground drill rigs)

Atlas Copco Simba Production Drills

This part is integral to fastening applications within hydraulic drifters, ensuring stability and consistent drilling accuracy.

Applications in Heavy Industry
Mining Operations
The dome nut secures critical components in high-impact rock drilling systems, ensuring safe performance in open-pit and underground mining.

Construction Projects
Used in foundation drilling and tunneling, the nut provides reliable fastening to support continuous and high-capacity workloads.

Quarrying
Its strong resistance to vibrations and torque ensures efficiency in quarrying applications where rock drills are subject to extreme forces.

Why Choose 3GEN Export for 3115028600 Dome Nut ATLAS COPCO?
OEM Quality Assurance: Each dome nut matches Atlas Copco’s strict standards for durability and performance.

Fast Global Shipping: Delivery within 5 working days to any destination.

Secure Transactions: Backed by advanced buyer protection policies.

Inclusive Pricing: Shipping costs included in product price for convenience.

Trusted Supplier: 3GEN Export is a leading name in the global heavy machinery spare parts marketplace.

Weight and Handling
Weight: 0.95 KG

Packaging: Rust-protective coating with secure industrial packaging

Shipping Method: Air freight / Express delivery available

The compact design allows for low-cost, fast shipping worldwide without compromising on protection.

Maintenance and Replacement Guide
Inspect the 3115028600 Dome Nut regularly for cracks, corrosion, or deformation.

Replace immediately if any visible damage is found to avoid system failure.

Always tighten to the recommended torque values specified by Atlas Copco.

Use OEM dome nuts only to maintain machine warranty and performance standards.

Conclusion
The 3115028600, 3115 0286 00 Dome Nut ATLAS COPCO is a small but vital component ensuring the safety, performance, and efficiency of rock drill systems. With OEM-level durability, corrosion resistance, and perfect compatibility, it is the reliable choice for maintaining your Atlas Copco machinery at peak condition.

At 3GEN Export, we ensure that your machinery never stops working by providing worldwide delivery in just 5 working days.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.
FAQ
FAQ
Which COP models does this dome nut actually fit?
It fits COP 1032, 1238, 1440, 1638, 1838, 1840, 1850, 2160, 2238, 2550, 2560 and their variants. Also works on RD 18 and RD 22 rock drills. If your drifter is on that list, this nut is the right thread and profile.
Is this a genuine Epiroc part?
No, it’s an aftermarket replacement made to work the same way. We machine it from the same spec alloy and heat-treat it to handle the same loads. It’s not a bagged Epiroc part, but it mounts up and holds torque like one.
How fast can you get it on site?
We ship from our warehouse within 5 working days. If you’re down and need it quicker, tell us – we can sometimes move it to the front of the line or arrange an express option.
Is the black oxide finish enough for wet mine conditions?
It helps a lot. The coating resists surface rust and makes threads less likely to gall. In really aggressive water, you’ll still want to inspect it during regular PM checks, but it’ll far outlast an uncoated nut.
What torque should I use when installing it?
Check the manual for your drifter model. Every COP series has a specified torque range for this fastener. Go by the book – too tight can stretch threads, too loose and it’ll back off and wreck the stud.
Stock
Check Stock & Get a Quote
Order the 3115208600 dome nut and we’ll have it packed and shipped to your location in 5 working days – freight included.
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