OEM Custom CNC Machined Aluminum Multi-Hole Mounting Plate Manufacturer, Suppliers

The Custom CNC Machined Aluminum Multi-Hole Mounting Plate provides a precise, configurable foundation for industrial automation, motion-control equipment, inspection fixtures, optical systems and other engineered assemblies. It brings multiple mounting and locating interfaces together in one rigid component, helping equipment builders simplify fit-up and reduce part-to-part variation.

Produced to customer drawings, each plate can incorporate closely spaced drilled and tapped holes, counterbores, precision bores, alignment features, elongated slots and side access details. Shenzhen Sunmy Hardware Co., Ltd. (SunmyHardware) reviews material choice, machining datums, critical dimensions and mating-part requirements before production. From a first prototype to repeat orders, we manufacture the geometry your assembly actually needs—not a fixed catalog size.

Product Description

Product Overview

The Custom CNC Machined Aluminum Multi-Hole Mounting Plate provides a precise, configurable foundation for industrial automation, motion-control equipment, inspection fixtures, optical systems and other engineered assemblies. It brings multiple mounting and locating interfaces together in one rigid component, helping equipment builders simplify fit-up and reduce part-to-part variation.

Produced to customer drawings, each plate can incorporate closely spaced drilled and tapped holes, counterbores, precision bores, alignment features, elongated slots and side access details. Shenzhen Sunmy Hardware Co., Ltd. (SunmyHardware) reviews material choice, machining datums, critical dimensions and mating-part requirements before production. From a first prototype to repeat orders, we manufacture the geometry your assembly actually needs—not a fixed catalog size.

Manufacturing & Process Control

A densely featured mounting plate is more than a drilling job. The machining sequence must account for material stability, hole position, thread access and inspection. Our process planning focuses on the functional interfaces identified on your drawing:

Material Choice & Flatness Strategy

We select the machining approach around plate thickness, alloy condition and functional datums. Balanced roughing and finishing can help manage distortion; specified flatness and parallelism are verified using suitable methods.

Precision Hole Patterns & Bores

CNC milling, drilling, boring and reaming are combined as needed to produce countersinks, counterbores, clearance holes and locating features. Critical positions are programmed and inspected relative to the drawing datums.

Reliable Threads & Fits

Internal threads can be tapped or thread-milled to the required metric or inch standard. Locating bores and mating fits are reviewed individually; hole edges are deburred for reliable fastening and assembly.

Slots & Multi-Face Features

Elongated slots, side reliefs and step features are machined through planned setups and workholding. We consider tool access and the relationship between each side feature and the primary datum surfaces.

One-Stop Component & Assembly Support

Alongside CNC milling and turning, SunmyHardware coordinates casting, stamping and injection molding where a project requires multiple processes. Mating parts, hardware installation and mechanical assembly can be included in the project scope.

Key Technical Specifications

Specifications are defined by your 2D/3D drawings and intended use. The options below describe the scope we can review; achievable tolerances, inspection requirements and lead time are confirmed during DFM and quotation.

Specification Parameter Technical Capability & Customization Details
Product Name Custom CNC Machined Aluminum Multi-Hole Mounting Plate
Part Classification Precision Mounting Plate / Automation Baseplate / Equipment Fixture
Core Machining Processes CNC Milling, Drilling, Boring, Reaming, Tapping and Multi-Face Machining
Hole & Feature Complexity Close-spaced hole patterns, stepped bores, threaded holes, slots and locating features; drawing review required
Standard & Optional Materials Aluminum 6061, 6082, 7075 and tooling plate; stainless steel, brass or other machinable alloys on request
Dimensional Tolerances Drawing-dependent. Critical size, fit and geometric tolerances are reviewed by feature and confirmed in quotation.
Flatness & Parallelism Controlled by stock selection, machining sequence and inspection plan; limits per approved drawing
Surface Finish & Roughness As-machined, fine-milled, brushed or specified Ra target, subject to feature geometry and process review
Surface Treatment Options Anodizing, bead blasting, electroless nickel and other material-specific finishes on request
Machining Equipment CNC milling and multi-axis setups; precision turning, grinding and other processes coordinated to project needs
Quality Inspection & Testing CMM and dimensional gauges as appropriate; inspection focused on approved critical characteristics
Quality Documentation First-article/dimensional reports, material traceability and certificates available as agreed with the RFQ
Quality Control Approach Drawing review, first-article verification, in-process checks and final inspection under a project-specific quality plan
Drawing Formats Accepted STEP, IGES, SolidWorks files, DWG/DXF, PDF drawings or reference samples

Design Benefits & Sourcing Advantages

  • Consistent Hole-Pattern Location Drawing-based datums and controlled setups help maintain positional relationships between mounting holes, bores and locating features—especially where several components must align during assembly.
  • Manufacturing-Led Flatness Planning We review material form, machining sequence and fixture strategy before cutting. Critical surfaces are finished and inspected to the requirements approved for the part.
  • Fully Customized to the Drawing Hole count and spacing, plate thickness, counterbores, thread standards, material grade and finish can all be specified by the customer. We can suggest manufacturability improvements without changing functional intent.
  • Assembly-Focused Finishing Accessible edges, holes and machined transitions are deburred as specified. Cleaning, protective finishes and packaging are agreed according to the end-use environment and handling requirements.
  • Practical Quality & Supply Support Critical dimensions are identified at quotation stage and checked under an agreed inspection plan. Material records, first-article reports and coordinated delivery of mating parts are available to help buyers manage repeat orders.

Technical Frequently Asked Questions (FAQ)

Q1 How do you control flatness on plates with many closely spaced holes?
We assess plate thickness, stock condition, material temper and the amount of metal to be removed. Where needed, the route can include balanced roughing, intermediate inspection and a light finishing pass. Flatness requirements and the method of verification are agreed against the drawing before production.
Q2 Can you change the material, hole pattern, threads and finish?
Yes. These are made-to-drawing components. We can quote alternative aluminum grades, stainless steel and other machinable metals, plus custom bores, slots, threads and material-appropriate finishes. Send a STEP model and a dimensioned drawing, or a physical sample, and we will assess the design.
Q3 How do you verify hole positions, bore sizes and threaded features?
The inspection plan follows the drawing's functional datums and critical characteristics. Depending on feature size and accessibility, inspection may use CMM measurement, bore or pin gauges, and GO/NO-GO thread gauges. First-article and dimensional reports can be supplied when specified in the RFQ.
Q4 Do you support one-off prototypes and low-volume orders?
Yes. We welcome prototype quantities, including one-piece inquiries, followed by pilot builds and scheduled production batches. The practical MOQ depends on raw material, machining complexity and any finishing or assembly operations.
Q5 Can you supply assembled components, and how is delivery time set?
Yes. Where your project includes mating shafts, turned spacers, stamped components, inserts or purchased hardware, we can review a coordinated manufacturing and mechanical assembly scope. Prototype and production schedules are quoted after drawing, quantity, finishing and inspection requirements are confirmed. Send us your 2D/3D files for a DFM review and quotation.

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