Precision Machined Spacers & Components for Machinery & Equipment
SpacerMFG manufactures custom precision spacers, sleeves, bushings, and turned components for machinery and equipment OEMs. We work directly from your technical drawings to deliver parts that meet exact dimensional tolerances, surface finishes, and material specifications.
From heavy industrial machinery and power transmission assemblies to precision automated equipment, our print-to-part production supports rapid prototyping, short runs, and repeat high-volume manufacturing.
2013
Precision machining facility established
24 hrs
Standard quote response target
Application-focused components
Machined Components for Machinery & Equipment Applications
Equipment manufacturers require rigid dimensional control, proper material selection, and clean surface finishes to prevent mechanical wear, shaft misalignment, and assembly failure. We manufacture made-to-order components designed for high load capacity, tight concentricity, and corrosion resistance.
| Component Type | Common Materials | Key Configuration & Capabilities |
|---|---|---|
| Precision Spacers | Carbon steel, stainless steel (304/316), aluminum, brass | Custom OD, ID, length, tight parallelism, and face squareness |
| Spacer Sleeves | Steel, stainless steel, aluminum | Thin-wall or heavy-wall configurations with precision-bored IDs |
| Stepped & Flanged Spacers | Alloy steel, stainless steel, aluminum | Single or multi-step diameters, custom flange thickness, and bolt patterns |
| Precision Bushings | Hardened steel, stainless steel, brass | Precision-ground bores and outer diameters for wear sleeves and bearings |
| Threaded Spacers & Standoffs | Steel, stainless steel, aluminum | Internal or external tapping, wrench flats, and male-female hex standoffs |
| Custom Shafts & Pins | Carbon steel, alloy steel, stainless steel | Turned profiles, keyways, snap-ring grooves, and ground bearing seats |
Production capability
From complex geometry to finished parts
We utilize multi-axis CNC turning centers, CNC milling machinery, precision surface grinding equipment, and secondary processing stations to handle simple to complex geometric features in a single operational workflow.
CNC Turning & Lathe Operations
- Products: Spacers, sleeves, bushings, shafts, collars, and alignment pins.
- Geometries: Internal and external steps, grooves, chamfers, radius corners, and metric or imperial threading.
- Materials: Carbon steel, alloy steel, stainless steel, aluminum, brass, copper, POM, and PEEK.
- Control: Tight concentricity, runout, and axial squareness to customer print requirements.
CNC Milling & Secondary Operations
- Products: Mounting brackets, bearing blocks, flat spacers, and custom machinery housings.
- Features: Deep pockets, precise slots, counterbores, tapped hole matrices, and contoured profiles.
- Finishing: Precision hole reaming, surface grinding, mechanical deburring, and polishing.
Surface Finishing & Protective Coatings
Steel: Zinc plating, nickel plating, black oxide coating, and heat treatment.
Stainless steel: ASTM A967-compliant chemical passivation and electropolishing.
Aluminum: Clear or color Type II anodizing, Type III hardcoat anodizing, and chromate conversion.
Traceability: Laser marking for part numbers, batch codes, and QR identification.
Engineering support
Supporting engineering & purchasing teams
Engineers and procurement personnel face tight assembly deadlines and strict performance criteria. We reduce procurement friction with clear manufacturing feedback and strict adherence to drawing specifications.
Design for Manufacturability Support
Before production, our technical team reviews STEP, IGES, or PDF prints. We evaluate tool access, wall thickness limits, radius requirements, and material stock availability to optimize machine runtime and reduce unit costs without compromising part function.
Quality assurance
Dimensional verification at every stage
Every batch undergoes strict process controls from raw material receipt through final pre-shipment inspection.
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1
Material Verification
Confirming raw material grade against order requirements.
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2
First-Article Inspection
Verifying initial setup parameters against critical drawing dimensions.
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3
In-Process Monitoring
Checking OD, ID, length, and thread pitch throughout machining runs.
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4
Final Quality Check
Inspecting surface roughness, plating thickness, thread fit, and burr removal.
Manufacturing workflow
From drawing to delivery
A controlled workflow keeps your components aligned with the drawing, schedule, and inspection requirements.
Customer submits RFQ & drawings
Technical DFM review & quote within 24 hours
Material sourcing & CNC setup
Precision machining & secondary finishing
Final inspection & laser marking
Protective packaging & export shipment
Start your project
Get precision components built to your drawing
Whether you need a prototype batch of custom stepped spacers for an equipment design test or repeat production runs of hardened steel bushings, SpacerMFG delivers parts built strictly to your drawing.
Email: info@spacermfg.com
Facility Address:
Standard Response Time: Quotes provided within 24 hours of inquiry receipt.
Request a Quote Today
Send your 2D drawings in PDF or DWG format and 3D CAD models in STEP or IGES format, along with material specs, quantities, and finish requirements.