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Precision CNC turned shaft CNC turned brass fitting
On-Demand CNC Platform

CNC Turning in
El Segundo, CA

We turn shafts, pins, bushings, and threaded parts for El Segundo teams. Stainless, aluminum, brass, and plastics — one prototype or 5,000+ pieces.

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Securely upload your 3D CAD file for immediate pricing and DFM feedback.

±0.001"
Standard tolerances
on turned features
RivCut capability
24hr
Quote turnaround
on most turning jobs
Upload to response
98%
CMM inspected
before shipping
RivCut standard
1–5K+
Prototypes through
production runs
No minimums
CNC Turning Explained

What Is CNC Turning?

CNC turning is a machining process where a lathe spins your raw material while precision cutting tools shape it into round parts. It produces shafts, pins, bushings, fittings, and other cylindrical components with smooth surfaces and tight tolerances — fast, repeatable, and accurate.
1

Material Rotates

Bar stock or blank is loaded into the lathe chuck and spins at high speed.

2

Tools Cut

Carbide cutting tools move along the material to remove material and shape your part.

3

Part Complete

Finished part is inspected on CMM and shipped with full documentation.

Why RivCut

Built for Precision Turning

Your turned parts need a shop that treats quality, speed, and material knowledge as seriously as tolerances.

Live Tooling Capability

Our lathes feature live tooling for milling flats, drilling cross-holes, and cutting slots — all in one setup. Fewer operations mean faster delivery and tighter tolerances.

CMM Inspection

Every turned part is CMM inspected before shipping. You get a documented inspection report with every order — no guessing, no shortcuts.

Material Versatility

We turn aluminum, stainless steel, titanium, brass, copper, Delrin, PEEK, nylon, and polycarbonate. Every order ships with material certifications.

Fast Turnaround

Quotes in 24 hours. Prototypes in 3–5 days. Production runs on your timeline. We communicate directly — no layers of sales reps between you and the shop floor.

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What We Turn

Turned Part Types

From precision shafts to threaded fittings — CNC turned and fully inspected.

Shafts & Spindles

Drive shafts, motor shafts, spindle assemblies, and stepped shafts in steel, stainless, and titanium. Ground finishes and tight runout tolerances.

±0.0005" runout

Bushings & Sleeves

Press-fit bushings, bearing sleeves, wear rings, and spacers. Bronze, brass, Delrin, and hardened steel with precise bore tolerances.

Tight bore fits

Fittings & Connectors

Threaded fittings, hydraulic connectors, barb fittings, and adapter bodies. Brass, stainless steel, and aluminum with leak-tight thread quality.

Thread class 2A/2B

Pins & Dowels

Alignment pins, roll pins, taper pins, and locating dowels. Hardened steel and stainless with ground OD finishes for precision fits.

Ground finish

Knobs & Handles

Knurled knobs, adjustment handles, thumb screws, and control dials. Aluminum, brass, and stainless with anodize-ready finishes.

Knurling available

Nozzles & Tips

Spray nozzles, dispensing tips, injection nozzles, and orifice bodies. Stainless steel and brass with micro-bore drilling and polished bores.

Micro-bore capable
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Precision turned 4140 steel shaft inspected on CMM at RivCut
CMM Verified — All Critical Dimensions Passed
Real Part. Real Results.

Precision Shaft — 4140 Steel

Turned for a robotics OEM requiring ultra-tight runout on a motor drive shaft. Delivered in 5 business days with full first article inspection package.

±0.0005"
OD runout
tolerance held
16 Ra
Surface finish
on bearing journals
5 Days
Quote to delivery
turnaround
100%
First article
inspection pass rate
  • Dimensional inspection report (CMM data included)
  • Material certification & heat lot traceability
  • First article inspection report per customer spec
  • Certificate of Conformance included
What Ships with Every Order

Documentation. Quality. Expertise.

Precision turning demands more than good parts. Here is what you get on every order.

Full Documentation

Every order ships with everything your quality team needs.

  • Dimensional inspection reports
  • Material certs with heat lot traceability
  • First article inspection reports
  • Certificate of Conformance

Verified Quality — CMM

We inspect before we ship. No exceptions.

  • CMM inspection on every order
  • NIST-traceable calibrated gauges
  • ±0.001" standard, ±0.0005" critical
  • Free DFM review on every upload

Precision Turning Expertise

Deep knowledge of lathe work across materials and geometries.

  • Live tooling for mill-turn operations
  • Thread cutting & knurling
  • Swiss-type turning for small parts
  • Multi-material capability
How It Works

From CAD File to Shipped Parts

Three steps. No runaround. Built for engineering timelines.

Step 1

Upload Your CAD File

Send your STEP or IGES file. Select material, quantity, and finish. We review for manufacturability and respond within 24 hours.

Step 2

We Turn & Inspect

Your parts run on our CNC lathes with live tooling. Every order gets CMM inspection. We verify every critical dimension before anything ships.

Step 3

Ship with Full Documentation

Parts ship with dimensional inspection reports, material certs, and full documentation package. Everything your quality team needs.

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Tools & Related

Engineering Tools & Related Services

Free Engineering Calculators

Related Services

FAQ

CNC Turning Questions

CNC turning is a way to make round parts from metal or plastic. A lathe spins your material while cutting tools shape it. This makes shafts, pins, bushings, and fittings with smooth surfaces and tight tolerances.
Most metals and plastics can be CNC turned. We work with aluminum, stainless steel, titanium, brass, copper, Delrin, PEEK, nylon, and polycarbonate.
Pricing depends on material, complexity, and quantity. Simple turned parts start around $30–$120 each. Upload your file for an exact quote in 24 hours.
Verify ITAR registration and secure file transfer protocols before sharing satellite or radar model files in El Segundo. RivCut provides full material traceability, CMM inspection on every part, and first-article inspection reports on request.
El Segundo is a premier global aerospace hub, home to the Los Angeles Air Force Base, Aerospace Corporation, Boeing Satellite Systems, and Northrop Grumman Space Park. This creates strong local demand for CNC Turning services with fast turnaround and rigorous quality standards.
Yes. Beyond aerospace, we also serve El Segundo's defense sector with the same precision and documentation rigor. Teams supporting Los Angeles Air Force Base and other local defense firms use our services.
Yes. Our Swiss-type lathes make small, precise parts under 1 inch in diameter. They hold tight tolerances on tiny components like medical pins, electronic contacts, and miniature shafts.
We accept STEP, IGES, DXF, PDF, SolidWorks (.sldprt), and STL files. STEP files work best because they keep all the design details.
We have no minimum. You can order just one part. We make everything from single prototypes to production runs of 5,000+ pieces. Every order gets the same care and precision.
Upload your CAD file on our instant quote page. You'll get a price within 24 hours. No phone calls needed. No pressure.
Yes. We work with El Segundo teams across aerospace, defense, and semiconductor and more. Most orders reach the greater El Segundo area in 2–3 business days via ground shipping. We also serve teams in Los Angeles County and the surrounding area.
Most orders ship in 5 to 10 business days. Rush orders ship in as few as 3 days. Most orders reach the greater El Segundo area in 2–3 business days via ground shipping.
El Segundo aerospace, defense, and semiconductor teams need precision machined parts that meet exact specs. We offer fast quotes, no minimums, and CMM inspection on every order.
Local Service

CNC Turning By City

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Why El Segundo Needs CNC Turning

How El Segundo's Top Industries Use CNC Turning

El Segundo's economy drives specific machining demand. Here's what we see from local teams.

El Segundo's Aerospace Sector

18+ establishments2,160+ employed

El Segundo is a premier global aerospace hub, home to the Los Angeles Air Force Base, Aerospace Corporation, Boeing Satellite Systems, and Northrop Grumman Space Park. Local engineering teams design next-generation communications satellites, radar payloads, and advanced space systems.

RivCut delivers space-grade, ITAR-compliant CNC machining to El Segundo's aerospace corridor. We machine satellite bus structures, optics housings, and avionics enclosures with CMM inspection and full material pedigree.

Boeing Satellite SystemsNorthrop Grumman Space ParkRaytheon Space & Airborne Systems
Insider tip: Verify ITAR registration and secure file transfer protocols before sharing satellite or radar model files in El Segundo.

El Segundo aerospace teams use cnc turning for precision lathe work and Swiss turning for shafts, pins, and threaded components.

El Segundo's Defense Sector

15+ establishments2,700+ employed

El Segundo is a critical command center for national defense, home to the Los Angeles Air Force Base and RTX (Raytheon) Space and Airborne Systems. Regional contractors design missile guidance systems, military avionics, and space-based radar platforms.

RivCut delivers ITAR-compliant, AS9100-grade CNC machining to El Segundo defense primes. We machine high-precision radar components, waveguide manifolds, and armored electronics enclosures.

Los Angeles Air Force BaseRaytheon Space & Airborne SystemsNorthrop Grumman Mission Systems
Insider tip: Verify ITAR registration and secure file transfer protocols before sharing military or aerospace model files in El Segundo.

El Segundo defense teams use cnc turning for precision lathe work and Swiss turning for shafts, pins, and threaded components.

El Segundo's Semiconductor Sector

27+ establishments3,600+ employed

El Segundo is a critical node for defense microelectronics and satellite payloads, home to Northrop Grumman and RTX. Local engineering teams design cryogenic test sockets, RF sensor housings, and custom wafer processing equipment.

RivCut delivers sub-0.0005" tolerance CNC machining to El Segundo's semiconductor sector. We machine high-vacuum chamber components, RF housings, and gold-plated copper test sockets.

Raytheon MicroelectronicsNorthrop Grumman Space park FoundryBoeing Satellite Electronics
Insider tip: Verify ITAR registration and secure file transfer protocols before sharing microchip socket or chamber model files in El Segundo.

El Segundo semiconductor teams use cnc turning for precision lathe work and Swiss turning for shafts, pins, and threaded components.

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No minimums · Single prototypes to production runs · Ships anywhere in the US

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