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3115504405 FLUSHING HEAD rock drill parts for Epiroc Cop1838HD+ 3115 5044 05 Cop 1638hd+ 2238hd+

Keeps the flushing path sealed, predictable, and working shift after shift

The 3115504405 flushing head is an OEM-standard replacement machined for Epiroc COP 1838HD+, 1638HD+, and 2238HD+ rock drills. It forms the controlled passage that directs air, water, or air-water mix through the front end, so cuttings move out fast and the bit runs cooler. When sealing lands, port windows, and bore finish are within spec, you avoid the kind of pressure drop and leakage that quietly rack up downtime. We keep them in stock and ready to ship—same reason workshops keep one on the shelf.

3115504405 FLUSHING HEAD rock drill parts for Epiroc Cop1838HD+ 3115 5044 05 Cop 1638hd+ 2238hd+
#219
Highlights
Key Advantages
  • Built to tolerance ranges that keep seal extrusion, misalignment, and bypass flow off your failure list on COP HD+ front ends.
  • Radial port windows and multi-groove sealing lands stabilize flushing medium flow; less dust packing, fewer bit changes.
  • Alloy steel body with controlled internal surface finish so seals aren't chewed up and the bore stays round under cyclic loads.
  • Burr-free edges and clean port windows right out of the box—saves your guys from having to dress a new part before installing it.
  • Listed weight is around 3 kg. In practice, grab it by hand once and you'll feel the difference from soft import copies.
Use Cases
Applications
  • Underground headings running COP 1838HD+ drifters where consistent hole cleaning stops the string from burning consumables.
  • Quarry benches on COP 1638HD+ rigs—flushing falls off and you lose penetration rate fast.
  • Tunneling jobs that can't afford dust trouble or early front-end rebuilds.
  • Heavy overburden or fractured rock that packs cuttings unless the flushing head does its job right.
  • Workshop rebuilds that pair this with a front-end kit so the next shift doesn't open up the same assembly twice.
Specs
Technical Specifications
Part numbers (catalog)3115504405, also listed as 3115 5044 05
Rock drills it fitsCOP 1838HD+, COP 1638HD+, COP 2238HD+ (Atlas Copco / Epiroc drifter families)
MaterialAlloy steel, machined sealing surfaces and flow channels
What it doesRoutes flushing medium (air/water/mix) through the front end to the bit and keeps the flow path sealed
Approximate net weight3 kg (verify with us if you need an exact shipping weight for a formal quote)
Things to check before installNo burrs, clean port windows, sealing lands free of nicks, dry-fit without forcing
Details
Detailed Description
3115504405 Spare Parts FLUSHING HEAD rock drill for Epiroc Cop1838HD+ 3115 5044 05
3kg
For Cop 1638hd+ , Cop 1838hd+ , Cop 2238hd+

The Epiroc Flushing Head 3115504405 is a precision-engineered hydraulic component designed for Epiroc and Atlas Copco rock drills and drilling equipment. Manufactured from high-quality materials with precisely machined air and water channels, it ensures efficient flushing, correct flow distribution, and reliable drilling performance under heavy-duty operating conditions. By sharing your machine model, compatibility can be verified and a competitive quotation provided.


3115504405, 3115 5044 05 FLUSHING HEAD ATLAS COPCO If you’re building a drilling string that has to survive vibration, abrasive dust, and heat while still pushing clean flushing medium exactly where it’s needed, the flushing head is one of the parts that quietly decides whether the shift ends smoothly or ends early. The 3115504405, 3115 5044 05 FLUSHING HEAD ATLAS COPCO is designed to manage that “invisible” job: guiding air/water flow through the front-end assembly so cuttings evacuate efficiently, tool temperature stays controlled, and the rock drill keeps delivering stable performance under load.  At 3GEN Export, we supply OEM-standard replacements built for reliability, fit, and long service life, so you can restore consistent flushing behavior and reduce the risks that come from leakage, flow restriction, or misalignment. We deliver worldwide in 5 working days.  What the flushing head does in a rock drill system A rock drill’s front-end has two big responsibilities: keep the mechanical stack aligned and keep the flushing path clean, sealed, and predictable. The 3115504405, 3115 5044 05 FLUSHING HEAD ATLAS COPCO supports that second responsibility by forming a controlled passage for flushing media (air, water, or air-water mix depending on your setup) to travel through the front section and into the drilling path.  When flushing is stable, you typically gain:  Cleaner hole condition and faster cuttings evacuation  Lower regrinding (less energy wasted)  Better bit life and less thermal stress  More consistent penetration rate due to reduced clogging and dust packing  If the flushing head is worn or damaged, symptoms can include pressure drop, leakage at seal points, abnormal dust, inconsistent cuttings removal, and increased heat marks or premature wear on nearby components.  Where 3115504405 fits Online parts references list 3115504405, 3115 5044 05 as the flushing head used in the front-part group of the COP 1838HD+ rock drill family (Atlas Copco / Epiroc naming seen in catalogs).  That placement matters because the flushing head interacts with multiple precision-matched surfaces around the front-end: sealing grooves, flow ports, and alignment shoulders that must sit correctly to prevent bypass flow, turbulence, and seal damage.  Key design features you can see in the photos Even without a dimension sheet, the images show the kind of geometry typically required for controlled flushing:  Precision cylindrical body with multiple grooves/lands for sealing and seating  Radial port windows for flow distribution  Axial bore section with machined internal surface finish  Multiple small holes near the upper band (often used for distribution, balancing, or routing depending on design)  These features are not cosmetic; they determine whether the flushing medium arrives with the right pressure profile and whether the seals survive the vibration environment.  Why OEM-standard machining matters for this part The 3115504405, 3115 5044 05 FLUSHING HEAD ATLAS COPCO is a tolerance-driven component. Small deviations can create big downstream problems:  Seal groove geometry out of spec can cause extrusion, slicing, or micro-leaks that turn into major pressure loss.  Misaligned port timing can reduce flow at the bit, increasing dust packing and heat.  Poor surface finish can accelerate seal wear and create a “polishing” failure mode where leakage gets worse over time.  Incorrect concentricity can introduce uneven contact and premature wear in adjacent parts.  For that reason, an OEM-standard replacement should be produced with controlled machining, stable material quality, and consistent inspection, especially around sealing surfaces and flow channels.  Technical details and practical specifications (application-based) Because exact factory dimensions vary by revision and rock drill configuration, the most useful “specs” for buyers are the functional and inspection points that determine fit and service life.  Material and build (typical expectation for this class of component) Engineered alloy steel suitable for cyclic loads and vibration environments  Machined sealing lands and port edges with controlled finish  Wear-resistant surfaces designed to work with sealing elements and mating bores  Functional interfaces External sealing grooves/lands to prevent bypass flow  Radial port window to route flushing medium where it needs to go  Internal bore section that must remain clean, round, and smooth  Quality checks recommended on arrival Visual inspection of all edges and port windows for burrs  Check sealing lands for nicks or impact marks  Confirm that port openings are clean and free of debris  Dry-fit check (no forcing) in the mating section during installation  Estimated weight (for packing and freight planning) Estimated net weight for the 3115504405, 3115 5044 05 FLUSHING HEAD ATLAS COPCO: approximately 1.2 kg.  This is an estimate based on the visible form factor and typical material density for similar front-end flushing components. If you need an exact shipping weight for a formal quote or customs documents, 3GEN Export can confirm from the packed shipment details.  Compatibility: which ATLAS COPCO / Epiroc models use it Based on publicly listed parts tables, 3115504405, 3115 5044 05 is referenced as a flushing head for the COP 1838HD+ rock drill / drifter family.  Confirming fit the right way (recommended) Because rock drills often have revisions tied to serial ranges, always confirm using at least one of the following:  Your rock drill model and variant (exact suffix)  Machine or drill rig serial range  Parts manual breakdown for the front-end group  If you share your rock drill model/serial range, I can help you create a “fitment confirmation checklist” you can use with your team before ordering.  Related front-end parts commonly ordered together In the same publicly listed front-part grouping, 3115504200 (front part) appears adjacent to 3115504405 (flushing head).  In real maintenance cycles, buyers often bundle:  Flushing head  Seal set (O-rings/back-ups if used)  Front-end mating part(s) if there is scoring or oval wear  Fasteners or retainers specific to the assembly design  This approach reduces repeat downtime and prevents “new part + worn mating surface” failures.  Installation overview This is a practical, workshop-friendly outline. Always follow your machine manual and lockout procedures.  Tools and prep Clean bench area and lint-free wipes  Appropriate solvent/degreaser (compatible with seals)  Inspection light and magnification if available  Correct assembly lubricant (seal-safe)  Torque tools if any fasteners are involved in your specific design  Step-by-step installation guidance Depressurize and isolate the system completely (air/water/hydraulic as applicable).  Remove the front-end cover/retainer according to your manual and expose the flushing head position.  Inspect the bore and mating surfaces. If you see deep scoring, pitting, or heat discoloration, address the mating component before installing the new part.  Clean the cavity and verify that no chips, metal dust, or seal fragments remain inside.  Inspect and replace seals if the design uses them. Never reuse flattened or cut seals in a high-vibration zone.  Lightly lubricate sealing surfaces with a seal-safe lubricant.  Insert the 3115504405, 3115 5044 05 FLUSHING HEAD ATLAS COPCO gently and evenly. Do not force; forcing usually means a burr, misalignment, or wrong seal.  Reassemble retainers/covers per manual, using correct torque and sequence.  Test for leakage and stable flushing at low pressure first, then ramp to operating conditions.
FAQ
FAQ
Will this fit my exact rock drill?
Send us your full model, variant suffix, and serial range if you have it. We cross-check against your parts manual for the front-end group so there's no guessing.
What goes wrong when a flushing head is worn?
Pressure drops, dust doesn't clear, the bit runs hotter, and you start seeing heat marks or premature wear on the front guide and seals. Leakage at the front end is usually the first clue.
Do I need to order seals or other parts at the same time?
Most shops order a seal kit alongside. If the mating front part shows scoring or oval wear, replace it too—new flushing head on a worn surface in a high-vibration zone creates problems fast.
How soon can I have it?
We ship globally within 5 working days. If you have a rig down, tell us the deadline and we'll push it as a priority. Stock is held for exactly that reason.
Is this a genuine Epiroc part?
It's an OEM-standard replacement made to the same fit, material class, and inspection points. Works interchangeably with the genuine 3115504405 in regular service cycles.
Stock
Check Stock & Get a Quote
Drop us your rock drill model or serial range. We'll quote the 3115504405 flushing head, verify fit for your front end, and have it packed and out the door within 5 working days.