Boremill Engineering - Adaptor Sleeves

Custom-Engineered Adapter Sleeves

Precision matters. At Boremill Engineering, we manufacture adapter sleeves to match your exact specifications—ensuring reliable fit, smooth bearing mounting, and long-lasting performance under tough industrial conditions.

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1. Engineered for Your Application
Adapter sleeves are essential for mounting tapered bore bearings onto cylindrical shafts. When standard parts don’t meet your needs, Boremill Engineering steps in with precision-machined solutions tailored to your equipment, operating conditions, and shaft sizes. Whether for crushers, conveyors, or railway applications—our sleeves are built to perform.


2. Built to Spec, Built to Last
We work from customer drawings or reverse-engineer from samples to deliver sleeves that exceed OEM tolerances. Whether you need custom internal tapers, keyway slots, non-standard thread profiles, or surface treatments—we engineer each sleeve for durability and ease of installation in high-load environments.


3. Serving Critical Industries Across SA
From deep-level mining operations to high-speed industrial plants, our adapter sleeves are trusted by maintenance teams across Southern Africa. We’ve supplied engineered solutions to mines, Sasol, and railway projects—supporting both one-off urgent builds and ongoing project supply.


4. Backed by Expert Machining & Fitting Services
With vertical and horizontal boring capabilities, CNC turning, and an experienced fitting department, we deliver complete solutions—not just parts. We support your team with full fitment, test runs, and post-installation support. Our 10-ton lifting capacity and coded welders ensure seamless handling and manufacturing, even for oversized or specialised sleeves.