Custom Precision SS end cap

Description

Precision CNC Machined Stainless Steel End Cap for Fluid & Industrial Systems

Our Stainless Steel CNC Machined End Cap is a high-precision industrial component engineered for hydraulic systems, fluid transfer equipment, pneumatic assemblies, and mechanical sealing applications. Manufactured from premium stainless steel materials including SS304, SS316, and SS316L, this component delivers outstanding corrosion resistance, structural strength, and long-term reliability in demanding industrial environments.

Produced using advanced CNC turning and multi-axis machining technology, the part features a precision bore and concentric bore structure to ensure accurate alignment and stable assembly performance. The threaded bore is machined with tight tolerance control for secure connection and leak-resistant installation in high-pressure systems. An integrated sealing groove and O-ring groove design further improve sealing efficiency and fluid containment reliability.

This stainless steel end cap incorporates multiple advanced machining features including deep hole machining, thin wall structure control, cross hole processing, and precision undercut geometry. The optional knurled outer surface enhances manual grip and installation convenience where required. All critical dimensions are manufactured under strict tolerance standards to achieve excellent concentricity and repeatable assembly accuracy.

The internal cavity and bore surfaces can be finished with a mirror finish for improved fluid flow performance and reduced friction. Every component is carefully deburred to ensure completely burr-free edges and smooth thread engagement, minimizing assembly damage and improving operational safety.

Our CNC machining services support custom dimensions, thread standards, surface treatments, and complex geometry requirements according to customer drawings or samples. These stainless steel end caps are widely used in oil & gas equipment, fluid control systems, automotive assemblies, industrial automation, food processing machinery, and precision mechanical equipment.

 

Parameter Specification
Product Name Precision CNC Machined Stainless Steel End Cap
Product Type SS Threaded End Cap / CNC Turning Housing Cap
Material Options Stainless Steel 303 / 304 / 316 / 316L / Duplex Stainless Steel
Manufacturing Process CNC Turning, CNC Milling, Internal Thread Machining, Precision Boring
Surface Finish Machined Finish, Polished, Brushed, Sandblasted, Passivation
Outer Diameter Tolerance ±0.01 mm
Thread Tolerance ISO Metric / UN / NPT / BSPT Standard
Thread Type Internal Thread / Fine Thread / Deep Thread
Structure Features Thin Wall, Precision Bore, Internal Cavity, Side Hole, Burr-Free Edge
Hole Type Radial Hole / Cross Hole
Machining Capability High Concentricity, Tight Tolerance, Mirror Finish ID
Max Part Diameter Up to 300 mm
Max Part Length Up to 500 mm
Surface Roughness Ra 0.8 – 1.6 μm
Dimensional Accuracy High Precision CNC Machining
Inspection Equipment CMM, Thread Gauge, Bore Gauge, Height Gauge
OEM / ODM Service Supported
Drawing Format STEP / STP / IGS / X_T / DWG / PDF
Application Industries Hydraulic Systems, Fluid Control, Oil & Gas, Automotive, Industrial Equipment
Feature Keywords precision bore, internal thread, thin wall, radial hole, deep cavity, tight tolerance, burr-free, stainless steel cnc turning
Packaging Anti-rust Protection + Custom Carton
Lead Time 7–20 Days Depending on Complexity
MOQ 1 Piece Prototype to Mass Production

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