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CNC Swiss Machining Aluminum Stem for the High Pressure Gases Industry

Known for our command of CNC Swiss machining, Kilgore Manufacturing Company, Inc. was contracted by a Virginia company to build a high-performance 2011-T3 aluminum stem for use within a high-pressure air system application. Strictly following the customer-supplied print in addition to our own 3D surface model, we employed our Citizen M32 Swiss-style lathe to insert grooves and drill holes throughout each part as per client specifications. We then applied O-rings to each stem and followed up by assembling them into the main component. Having conducted a thorough pressure testing, we were ready to begin shipping the components to our client

The precision of our craftsmanship made a notable impact: what began as raw material with O.D. of 13/16" was machined to measure 3.25" inches in length, with overall dimensions of 540", an external thread of ¼ NPTF, and a hex width of .688". The tightest tolerances were as close as +/- .002". After we achieved a 32 RMS surface finish and applied a clear anodized coat, it became clear just how well we'd brought the sure exactitude of Swiss craftsmanship to these shores. To date, we've produced 10,000 aluminum stems and counting for our client. For more information on Kilgore and our CNC milling services, contact us today or continue to browse our website.

Aluminum Stem for High Pressure Air System Application
Aluminum Stem for High Pressure Air System Application

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Aluminum Stem Specifications

Product Description
This Aluminum Stem is used within a high pressure air system application.
Capabilities Applied / Processes
CNC Swiss Machining
  • Machine Complete
    • Groove Part As Per Print
    • Drill Holes As Per Print
  • Apply O-Rings
  • Assemble into Main Component
Pressure Testing
Equipment Used to Manufacture Part
Citizen M32 Swiss Style Lathe
Overall Part Dimensions
Raw Material:
O.D.: Ø13/16"
Finished Component:
Length: 3.25"
O.D.: Ø.540"
External Thread: ¼ NPTF
Hex Width: .688"
Tightest Tolerances
Material Used
2011-T3 Aluminum
Surface Finish
32 RMS
Material Finish
Clear Anodize
In process testing / inspection performed
Pre-Inspect Prior to Anodizing
Inspect Part 100% Per Print
Estimated Part Weight
.96 Oz.
10,000 to date
Standards Met
Customer supplied print and 3D Solid or Surface model.
ANSI/ASME B1.20.01
Industry for Use
High Pressure Gases
Delivery Location

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