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4140 steel barrel
4140 barrel steel
barrel milling
barrel extension pin

OEM custom manufacturer 5AXIS CNC machining and milling 4140 steel barrel extensions for Aerospace parts

This is the OEM custom manufacturer 5AXIS CNC machining and milling 4140 steel barrel extensions for Aerospace parts recently produced by us.

It meets the requirements of ISO9001: 2008.

Specification: 55mm*45mm

Raw material: 4140 steel

Surface Treatment: clear anodizing

Finish: anodizing


Specifications of High Quality 5 Axis Stainless Steel/Brass/Aluminum/Titanium CNC Precision Machining Parts


Broaching, Drilling, Etching/Chemical Machining, Laser Machining, Milling, Other Machining Services, Rapid Prototyping, Turning, Wire EDM

Material Capabilities:

Aluminum, Brass, Bronze, Copper, Hardened Metals, Precious Metals, Stainless Steel, Steel Alloys, plastic

Micro Machining or Not:

Micro Machining

Model Number:





4140 steel

Main Process:

Aluminum CNC milling

Surface treatment:

Clear anodizing



Supply Ability

1,000,000 Pieces per Month

What is five-axis CNC machining?

5 axis machining has a unique ability to effectively process the size and shape of parts and basically has unlimited possibilities. Like the 3-axis machine tool, the tool of the 5-axis machining center moves on the X, y, and Z linear axes, but also rotates on the A and B axes, allowing the tool to approach the part from any direction. An experienced mechanic can achieve incredibly complex geometry with high precision using all 5-axis combinations. Skilled and experienced CNC Machinists and programmers are able to process complex shapes, undercuts, and angles - all of which can be activated in one setup.

The ability to process a part in one installation not only improves the accuracy in the process of processing but also reduces the tool cost, indirect cost, and labor time, so as to make the cost of each part as low as possible. Five-axis machining center eliminates some shortcomings of traditional CNC machining technology, including multiple settings, parts transfer and inspection; Parts handling, and errors related to human involvement/interference.

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