HANWOOD RHB330 Excavator Breaker Piston Heat Stability Performance Perfect Component Matching For Industrial Demolition and Mining Tasks
Key Features & Selling Points for HANWOOD RHB330 Piston
Key Features:
- This piston is manufactured with strict dimensional control and precision machining technology to ensure excellent concentricity and surface smoothness. It maintains stable performance under continuous heavy load, reduces internal friction and wear, avoids oil leakage and abnormal noise, and effectively improves the working stability and service life of the entire rock hammer.
- Made of specially selected alloy material with optimized heat treatment, the piston provides strong resistance to impact, fatigue, and deformation. It can withstand high-frequency impact force in harsh working environments such as mines and quarries, reduces failure rate, lowers maintenance frequency, and helps users cut down on operating and replacement costs.
- Designed specifically for HANWOOD RHB330 breakers, the piston achieves perfect matching with cylinder, seal kit, and other related parts. It ensures efficient energy transmission, maximizes striking efficiency, supports easy installation and replacement, and is widely applied in construction, demolition, tunnel engineering, and rock excavation projects.
Selling Points:
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Direct Impact on Drilling Performance & Efficiency: As the core impacting component, this piston directly determines the power and consistency of each blow. A high-quality replacement ensures the SB302 drifter delivers its full designed impact energy and frequency, maintaining maximum penetration rates and productivity.
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Extended Service Life & Reduced Downtime: Its forged durability and advanced surface treatments significantly extend the piston's operational life by resisting deformation, cracking, and wear. This leads to longer intervals between overhauls and fewer unplanned breakdowns.
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Protects Other Drifter Components: A precisely machined and balanced piston moves correctly within the cylinder, preventing uneven wear on the cylinder liner, seals, and other internal parts. This protects the entire drifter from collateral damage, avoiding more costly repairs.
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Guaranteed Fit & Reliable Operation: Manufactured to exact OEM specifications for dimensions, weight, and balance, it guarantees seamless installation and perfect compatibility. This ensures immediate restoration of the drifter's original performance and reliable, trouble-free operation.
| Part Name | HANWOOD RHB330 Hydraulic Rock Breaker Hydraulic Rock Hammer Excavator Spare Parts |
|---|---|
| Part Name | HANWOOD RHB330 Hydraulic Breaker Piston 3315302100 Hydraulic Rock Hammer Piston |
| Application |
AHANWOOD RHB330 Hydraulic Rock Breaker Hydraulic Rock Hammer Excavator Spare Parts |
| Position | Hydraulic Cylinder System |
| Material | Crmo20 Crmo42 Crmo40 |
| Brand | HUILIAN, or as required |
| Package Details | Carton, Wooden Box, Plastic Bag, Neutral Packing, PP Bag, or as Required |
| Shipment | Air, Sea, Express Mail, etc. |
| Payment | T/T, Western Union, PayPal, L/C at sight, Alipay etc |
| Delivery Time | 1-15 Work days |

| Hammer Parts | Main Body | Back Head | Charging Valve | Cylinder | Seal Retainer |
| Socket Plug | Piston | Adapter | Valve | Valve Plug | Valve Sleeve |
| Front Head | Grease Nipple | Rod Pin | Stop Pin | Rubber Plug | Front Head Pin |
| Ring Bush | Thrust Bush | Upper Bush | Front Cover | Tool Bush | Lower Bush |
| Rod Moil Point | Chisel | Washer | Through Bolt | Side Rod | Hex Nut |
| Air Check Valve | Valve Adjuster | Accumulator | Accumulator Body | Accumulator Cover | Socket Bolt |
| Charging V/V | Diaphragm | Seal Kit | O-Ring Seal | Gas Seal | Step Seal |
| Buffer Seal | Dust Seal | U-Packing | Back-up ring | Side Bolt | Upper Cushion |
| Down Cushion | Tool Set | N2 Gas Charging Set | N2 Gas Cylinder | B-3way valve assy |
1. We are manufacturers and product direct sales.
2. More than 17 years of industry experience.
3. Professional production technology, product good quality and Low price.
4. Fast delivery and Support OEM/ODM order.
5. Large Stock,Over 30,000 sizes and more than 1 million pieces in stock.
6.We have the full range of mould size and stable and high quality production line.

Guangzhou Huilian Hydraulic Technology is a professional enterprise focused on hydraulic components for excavators and rock breakers. Located in Huangpu District, Guangzhou, it provides reliable pistons, seal kits, cylinders and other key parts for multiple breaker brands. The company integrates R&D, production and sales, with strict process control to ensure stable performance and good compatibility for heavy‑duty working conditions.
The company specializes in manufacturing hydraulic breaker parts such as the HANWOOD RHB330 piston, with optimized material selection and precision machining. It supports OEM and customized production to match different models and working scenarios. Products are widely used in mining, quarrying, road construction, demolition and engineering projects, helping customers reduce downtime and maintenance costs.
Adhering to customer‑centered service, Guangzhou Huilian Hydraulic Technology provides one‑stop purchasing and after‑sales support. With complete production and testing facilities, it ensures stable delivery and consistent product quality. The company serves global construction machinery clients, building long‑term partnerships via reliable products, professional technical support and efficient logistics solutions.


Are you sure your product will fit my excavator?
A: Our equipments are suitable for most excavators. Show us your excavator model, we'll confirm the solution.
Q: How about your products warranty?
A: We offer a 12-month warranty for the hydraulic breaker.
Q: Can you produce according to customers' design?
A: Sure, OEM/ODM service available. We are professonal engineering machinery equipment supplier in Changsha.
Q: What's the MOQ and payment terms?
A: MOQ is 1set. Payment via T/T, L/C, Western Union accepted, other terms can be negotiated.
Q: How about delivery time?
A: 3-7 work days after the payment.
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