Precision Shims – 3mm to 350mm Outer Diameter
Product Overview
Zhuhai Hongjun Technology offers a comprehensive range of precision shims designed for bearing preload adjustment, axial positioning, and machinery alignment. Our shims cover outer diameters from 3mm to 350mm, making them suitable for virtually all conventional bearing and motor assembly requirements.
Whether you need ultra-thin stainless steel shims for EV motors or heavy-duty carbon steel shims for industrial gearboxes, we deliver consistent thickness accuracy, burr-free edges, and reliable performance.
Key Features
Available Types
-
Solid Shims – One-piece design, ideal for general gap filling and bearing preload.
-
Slotted Shims – Easy installation without complete disassembly.
-
Arbor Shims – Precision ground for milling cutter spacing and tool setup.
-
Laminated Shims – Stackable, peelable layers for fine adjustment.
-
Custom Shims – Any shape, size, or material according to your drawings.
Specifications
Applications
Our precision shims are widely used in:
-
EV drive motors – Air gap adjustment, bearing preload
-
Automotive transmissions – Axial play control, gear alignment
-
Robot reducers & RV planetary gears – Precision gap setting
-
Industrial machinery – Shaft alignment, tool positioning
-
Home appliances – Motor bearing adjustment
-
New energy vehicle charging plugs – Contact gap control
Why Choose Our Precision Shims?
✅ Complete in-house production – From raw material to finished part, we control quality at every step.
✅ Hundreds of sizes in stock – Ready for same-day shipping.
✅ Prototype samples supported – Test before mass production.
✅ Stable quality – Strict QC process ensures consistent thickness and finish.
✅ Short lead times – Fast turnaround for both standard and custom orders.
Custom Manufacturing
Need a non-standard size, special material, or unique shape? We provide OEM custom shims based on your 2D/3D drawings or sample parts. Just tell us your requirements – we will deliver.
