- Overview
- Recommended Products
Carbon steels (1045, 4130, 4140)
Alloy steels
Stainless steel grades
These materials are selected for their excellent mechanical properties, wear resistance, and ability to withstand high pressure cycling.Bore diameters from 3mm to 200mm
Depth-to-diameter ratios up to 60:1
Exceptional straightness accuracy (0.5mm per meter)
Superior surface finishes (Ra 0.4-1.6 μm)
The process incorporates high-pressure coolant systems that ensure efficient chip evacuation and maintain tight tolerances throughout the drilling operation.Excellent dimensional stability under high pressure
Superior surface integrity for enhanced seal life
Optimal geometric accuracy for smooth piston movement
Improved fatigue resistance and service life
Construction and mining equipment
Industrial machinery and automation systems
Agricultural equipment
Marine and offshore applications
Aerospace and defense systems
Dimensional verification
Surface finish analysis
Straightness measurement
Pressure testing validation
Precision deep hole drilling is a critical manufacturing process for hydraulic cylinder barrel castings, where dimensional accuracy and surface finish directly impact performance and longevity. Our specialized CNC deep hole drilling services deliver exceptional quality for hydraulic applications across various industries.
Material Expertise
We work with high-grade materials essential for hydraulic cylinder performance, including:
Advanced Manufacturing Process
Our deep hole drilling process utilizes state-of-the-art CNC equipment and gun drilling technology to achieve:
Performance Characteristics
Hydraulic cylinder barrels manufactured using our deep hole drilling services provide:
Industry Applications
Our services support numerous sectors including:
Quality Assurance
Every component undergoes rigorous inspection, including:
With our specialized deep hole drilling capabilities, we deliver hydraulic cylinder barrels that meet the most demanding performance requirements, ensuring reliability and longevity in critical applications.


Material |
steel, stainless steel, aluminum,iron, carbon steel,copper, brass, alloy, etc. |
Thickness |
0.1mm to 12mm, as your request |
Sizes |
1) According to customers' drawings 2) According to customers' samples |
Surface treatment |
Anodizing, galvanized, zinc, nickle, chrome plating, powder coating, painting, etc. |
Drawing format |
DWG, DXF, STEP, STP, STL, AI,PDF, JPG, Draft. |
Packing |
Polybag+Carton box+Wooden case/Pallet, according to customer's request |
Shipment |
1) By courier, like DHL, TNT, Fedex, etc, usually 5-7 days to arrive |
2) By air to air port, usually, 3-4 days to arrive |
|
3) By Sea port, usually 15-30 days to arrive |
|
Delivery Time |
depend on the quantities, usually around 20 days. |
Payment Term |
T/T, Paypal, Trade Assurance |
Certification |
ISO |
Logo service |
provided |
Application |
widely used on construction, industry, automobile industry. |







