CNC, Weldments & Casting

As an ISO 9001:2015 certified machine shop, OneMonroe combines high–end equipment along with experienced, skilled and dedicated toolmakers to offer superior advanced CNC machining to our customers. OneMonroe has generations of experience in precision CNC machining. We can provide materials, or use customer provided castings, weldments, bar stock, etc.

OneMonroe is capable of manufacturing almost any type details to customer supplied designs and specifications. We stock a wide variety of materials, and are well equipped with CNC machines, fixtures, tooling and inspection equipment. OneMonroe has assembled a comprehensive network of suppliers for processes such as laser and waterjet cutting, heat treatments, and plating. They expand and complete our capabilities. Quality is continuously monitored, competitive bidding keeps prices lean.

OneMonroe Can Manufacture with our CNC Capabilities

Industrial Components

  • Precision Shaft Collars – Custom sizes with tight tolerances for rotating equipment.
  • Bearing Housings – Machined from steel or aluminum with precision bores.
  • Custom Flanges – For piping, hydraulic, or pneumatic systems.
  • Mounting Brackets – For automation, robotics, or machinery support.
  • Manifolds – Complex fluid and gas manifolds in aluminum or stainless steel.
  • Engineered Bushings – Including PTFE-lined or precision OD/ID types.
  • Pulley and Sprocket Hubs – Milled and balanced for mechanical systems.
  • Heat Sink Blocks – CNC-milled for custom cooling applications.

Tooling & Fixturing

  • Modular Fixturing Plates – With tapped holes and alignment features.
  • Jigs and Welding Fixtures – CNC-machined for assembly and repeatability.
  • Inspection Blocks / Go/No-Go Gauges – Made from hardened steel or aluminum.

Aerospace / Defense Components

  • Control Arm Housings – Machined to aerospace-grade specs.
  • Avionics Enclosures – Lightweight, EMI-shielded, and precisely milled.
  • Missile Fin Mounts / Brackets – For defense OEMs or subcontractors.

Automotive & EV Parts

  • Transmission Housings – Complex CNC-machined aluminum bodies.
  • Custom Engine Components – Rocker arms, valve covers, or timing plates.
  • Battery Cooling Plates – Channels and passages for fluid in EV applications.

General Mechanical Parts

  • Custom Gears (low volume) – CNC cut for prototypes or replacements.
  • Threaded Rods & Studs – With precision threading and custom lengths.
  • Coupling Housings – For mechanical or hydraulic connections.
  • CNC Turned Sleeves & Spacers – Tight concentricity and surface finish.

Medical / Laboratory

  • Anodized Equipment Housings – For lab or diagnostic machines.
  • Surgical Jig Components – Small-batch, high-precision stainless steel parts.

Prototyping & Custom Builds

  • Proof-of-Concept Machined Prototypes – From CAD to physical part.
  • Custom Aluminum Panels with Engraving – For control panels, dashboards, or branding.

See our equipment list.

Are you looking for custom manufacturing?

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Custom Manufacturing