Skip to content

Long Beach, CA

PrecisionMachined.

AC Precision Machining Inc. — CNC Machine Shop in Long Beach, CA. Precision turning, milling, and custom fabrication.

A working CNC machine shop turning bar stock and billet into parts that hold, seat, and run — from prototype to production.

Request a QuoteSee the Work
DWG-0427 · Flanged ShaftRev. CScale 1:2 · AISI 41406.250 ± .00052.187AAØ .800 h7KEYWAY .188 WØ 3.400.002MADETAIL B · 4X16 RaAFRONT ELEVATIONBCD Ø 2.500Ø .750 H7Ø 3.400SECTION A—ATOLERANCES · UNLESS NOTED.XX ± .010.XXX ± .005.XXXX ± .0005ANGLES ± 0°15′FINISH · GENERAL32 Ra · Deburr all edgesHeat-treat 28-32 HRC

01 / Selected Work

The Work

Polished machined steel lifting components on a workbench
Heavy Machined Components
Precision-machined fixture with vertical rails and milled aluminum body
Precision Fixture
Conical machined metal component with precision-drilled hole pattern
Turned Cone
Pair of splined machined hubs on a red cloth
Spline & Flange Work
Black fabricated hydraulic assembly with polished metal shaft
Fabricated Assembly
Large bowl-shaped turned metal component on a lathe
Large Diameter Turning
Large industrial lathe machining a heavy steel workpiece
Shop Capacity
Close-up of a machined stepped steel block
Machined Geometry

02 / Capabilities

What We Do — CNC Machining Services

Finished spline hubs machined with a polished metal surface
Finished Surface Quality
01

CNC Turning

High-precision lathe work for round components, shafts, and threaded parts to tight tolerances.

02

CNC Milling

Multi-axis milling of complex geometries in steel, aluminum, and exotic alloys.

03

Custom Fabrication

Built-to-spec assemblies and structural components for industrial and commercial use.

04

Prototype & Production

From one-off prototypes to repeatable production runs with consistent quality.

03 / The Shop

About the Long Beach Machine Shop

AC Precision Machining Inc. is a full-service machine shop in Long Beach, California. We specialize in tight-tolerance turning, milling, and custom fabrication for industrial and commercial clients. Built on craftsmanship, backed by experience, and equipped to handle heavy, complex work.

Large turning setup in the AC Precision Machining shop
Large-Part Capacity
Established
Year TBD
Location
Long Beach, CA
Google Rating
5.0 / 5.0
Custom welded hydraulic cylinder assembly built by AC Precision Machining
Prototype to Production

04 / Contact

Get In Touch — Contact Our Long Beach Shop

Address

6621 Sarnia Ave
Long Beach, CA 90805

Hours

Mon – Fri, 6AM – Close