Center Line MachiningPrecision CNC ManufacturingMentor, Ohio

Machined to the center line.
Delivered to spec.

A modern precision CNC machine shop serving tool & die, aerospace and defense, industrial OEM, and general manufacturing. Family-owned since 2007, with quotes in one business day, tolerances to ±.0005″, and a temperature-controlled inspection room.

0+ yrs
Family-owned since 2007
0-axis
Milling with WIPS probing
0hr
Quote turnaround
0+
Materials handled
±.0005"
Tolerances held
01Capabilities

Full-spectrum machining, tightly controlled.

In-house CAM programming, milling, turning, and inspection under one roof. One-off prototypes and first articles through short-run and full production. Rush services available.

CNC Milling

Vertical machining centers with full 4th-axis and in-process probing. Travels up to 50" x 25" x 24", handling part lengths up to 36".

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CNC Turning

Turning centers plus multi-axis turn/mill lathes with sub-spindle and live C-axis milling. Part diameters from 0.5" up to 12", lengths up to 38".

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Materials

Stainless, aluminum, brass, bronze alloys, carbon and high-carbon steel, alloy steel, Inconel®, Monel®, copper, die cast, and engineering plastics — ferrous and nonferrous.

Tight-Tolerance QC

In-process probing, optical and digital comparators, height gauges, and calibrated mics and thread gauges in a temperature-controlled inspection room.

Programming & DFM

In-house CAM programming from solid models, STEP files, or drawings — with reverse engineering when no model exists.

Prototype to Production

One-off prototypes and first articles through short-run and full production. Rush services quoted job-by-job.

Support & Finishing

Automatic band saws, manual mill and lathe, 50-ton press, grinders, part marking, and dedicated deburring stations.

Outsourced Services

Grinding, welding, laser, waterjet, heat treat, plating, coating, and casting — performed by approved vendors only.

02Markets Served

Diversified. Compliant. Accountable.

From hose fittings and couplings to shafts, housings, and precision hardware — a representative slice of the parts leaving our floor.

Tool & Die

A core market: tooling, fixtures, and die components built to hold up in production.

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Aerospace

Airframe and mission-critical hardware produced to aerospace-grade requirements.

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Defense

Brackets, housings, mounts, and precision components supporting defense platforms and subsystems.

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Fluid Power / Hydraulics

Manifolds, cylinders, valve bodies, fittings, and precision components for hydraulic and pneumatic systems.

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Industrial & OEM

Shafts, rods, spindles, crane wheels, fasteners, spacers, and pins for industrial equipment builders.

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General Manufacturing

Custom fixtures, jigs, short-run parts, and components engineered for harsh and extreme environments.

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03Why Center Line

Family-owned
since 2007.

Eighteen-plus years machining under the same roof. Talk directly to the people who program, run, and inspect your parts.

0+
Years, one shop
1
Business day quote
  1. /01

    Programmed in-house

    Every job programmed on Fusion 360 and Gibbs CAD/CAM by the machinists who cut it — fewer surprises at first article.

  2. /02

    Quick-turn quoting

    Structured intake with DFM review. Most quotes returned within one business day. Rush services available.

  3. /03

    Inspected on every part

    First-article, in-process, and documented final inspection — tracked in real time through our job-tracking system.

  4. /04

    Custom AI-powered ERP

    One system connects quoting, jobs, purchasing, material certs, and inspection — with practical AI reading the documents that drive the job.

  5. /05

    Direct line to the floor

    No account managers between you and the machinist. Talk to the person programming your part.

04Parts Gallery

Off our machines.

A sample of turned, milled, and threaded work — steel, stainless, aluminum, and bronze.

Frame
01/ 21
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05Lead Times

Real answers on when your parts ship.

No vague ranges. Every quote comes with a confirmed lead time, tied to current shop load and material availability.

/01 · PROTOTYPE
2–3
weeks

First articles with DFM feedback before we cut a full run.

/02 · SHORT RUN
2–10
business days

Bridge quantities and expedite lanes for parts you needed yesterday.

/03 · PRODUCTION
2–6
weeks

Scheduled releases, blanket POs, and Kanban replenishment.

/ RUSH
Need it faster? Rush and expedite services quoted job-by-job — tell us the date and we’ll tell you what’s possible.
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06Quality & Compliance

Held to the standard.
Proven on the print.

We operate to AS9100D, ISO 9001:2015, and ITAR requirements and are pursuing formal certification and registration. Every job already flows through a documented quality process with full traceability.

Certification in progress
AS9100D
ISO 9001:2015
ITAR

Gauges serialized · calibrated annually · NIST-traceable. C of C, material certs, and inspection reports on request.

Incoming material
Type, size, heat numbers tagged and logged. Certifications required on delivery.
First-article
Documented dimensional check before production release.
In-process
WIPS probing at critical machining stages.
Final dimensional
Micro-Vu optical + digital comparators, Trimos height gauge, temperature-controlled room.
Calibration
All gauges serialized · annual independent lab · NIST-traceable.
Controlled data
Restricted-access workflow for defense and sensitive-technology programs.
Documentation
C of C, material certs, and inspection reports on request.
Document traceability
Every drawing, PO, and cert linked to its job and lot through our ERP.
07Request a Quote

Send the drawing.
Priced by tomorrow.

Rush services available. For controlled or sensitive technical data, we will follow up with a secure transfer channel before any technical data is exchanged.

Attach a drawing for the fastest quote · optional
Quotes & General
info@clmachining.com
Quality & Vendor
qc@clmachining.com
Shop
9349 Hamilton Dr., Mentor, Ohio 44060
Get directions →
Local hand delivery across Northeast Ohio (Akron, Canton, Cleveland). Freight shipping throughout Ohio and the continental US.
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Call (216) 289-6828Request a Quote