Precision manufacturing from Dongguan, China

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Custom machined sleeves made to your drawing.

SleeveMFG manufactures shaft sleeves, wear sleeves, bearing sleeves, spacer sleeves, and other rotational components for OEMs, MRO companies, distributors, and industrial sourcing teams worldwide.

Made to print

01

Drawing-driven production

Manufactured from PDF drawings, 3D models, samples, or specified dimensions.

02

Controlled precision

Close control of ID, OD, fits, concentricity, roundness, runout, and finish.

03

Prototype to production

Flexible support for one-off parts, low-volume orders, and repeat production.

±0.01 mm

Typical CNC turning tolerance

Ø3–500 mm

Outside diameter range

Ra 0.2 μm

Surface finish capability

Global

Supply for industrial customers

What we manufacture

Specialized in sleeve components and rotational parts

We do not sell standard sleeves. We manufacture the sleeve your application and drawing require, including simple cylindrical parts and complex components with precision features.

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Shaft & Wear Sleeves

Protection and replacement components for pumps, shafts, and rotating equipment.

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Bearing & Spacer Sleeves

Precision spacers, bushings, and bearing-related components for controlled fits.

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Pump & Seal Sleeves

Custom pump shaft sleeves, mechanical seal sleeves, and fluid-handling components.

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Complex Tubular Parts

Threaded, flanged, stepped, thin-wall, grooved, and keyed components.

Built around your requirements

One manufacturing source for demanding sleeve applications

SleeveMFG combines machining, grinding, secondary operations, and inspection coordination to simplify sourcing and support repeatable component quality.

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CNC turning and milling for cylindrical bodies, shoulders, grooves, holes, keyways, and profiles.

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Grinding and finishing for close dimensional control, smooth bores, precision diameters, and surface requirements.

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Material and process flexibility across stainless steel, alloy steel, aluminum, copper alloys, and specialty alloys.

Typical technical scope

Inside diameter Ø1–450 mm
Part length 3–1500 mm
Grinding tolerance ±0.005 mm
Concentricity Down to 0.01 mm
Minimum wall thickness Approx. 0.5 mm
Production volume Prototype to mass production

Who we support

A practical partner for industrial purchasing teams

OEMs & equipment manufacturers

Made-to-drawing production with repeatable quality, reliable supply, and support from prototype through ongoing orders.

MRO & repair companies

Replacement sleeves made from drawings, samples, or key dimensions, including small quantities and obsolete parts.

Industrial distributors

Flexible quantities, multiple sizes, private-label options, and stable long-term supply from China.

Sourcing & procurement teams

Fast quotation support, technical communication, documentation, inspection reporting, and export coordination.

Materials and finishing

Engineered for the operating environment

Select the material and treatment required for wear, corrosion, strength, temperature, fit, and service life.

Materials

Stainless steel, carbon and alloy steel, tool and bearing steel, aluminum, brass, bronze, Inconel, Monel, and Hastelloy.

Heat treatment

Quenching and tempering, carburizing, nitriding, and induction hardening.

Surface treatment

Black oxide, plating, anodizing, passivation, electropolishing, PVD, and DLC coating.

Precision finishing

Grinding, honing, polishing, and surface roughness control to match your specification.

Start with your requirements

Send us the part you need made

Share your PDF, STEP, DWG, DXF, sample details, material, quantity, tolerances, and surface treatment requirements. SleeveMFG will review your requirements for a custom manufacturing solution.

Request a Custom Quote