
Plum Shaft Coupling
DSR’s plum shaft coupling is dimensionally accurate with an H6 tolerance on the inner hole, ensuring that the product’s precision meets usage requirements. This product uses excellent surface treatment technology, extending its service life by 30% compared to ordinary versions. At the same time, our star couplings offer customized services. The default design uses standard keyways, and specific materials and customized sizes can be used according to customer needs. If you have any requirements, please contact us for a quote!
- Strong shock absorption and vibration damping capabilities, capable of absorbing impacts and vibrations
- Compensates for installation deviations, reducing the precision requirements for shaft alignment
- Simple structure, easy to install
- Maintenance-free, long service life, no lubrication required, reducing maintenance costs
- Lightweight and low cost
- Electrical insulation
Healthcare partnerships




Product Description
Our plum shaft couplings is mainly divided into polyurethane material plum blossom pads, 12.9 grade high-strength screws, and high-strength aluminum alloy materials. The product feature superior shock absorption, vibration damping, and misalignment compensation capabilities, effectively protecting motors, reducers, and other transmission components. These couplings have a simple structure, making them very easy to install. Additionally, they have low maintenance costs and a long service life.
DSR provides customized services to customers, tailoring the size and material of couplings to your specific requirements. We utilize advanced German-standard machinery for production, and all products undergo rigorous quality control inspections!
Product materials
Stainless Steel
Aluminum Alloy
Steel
Copper
Titanium Alloy
we’re here to all your questions
We believe you have many questions to ask us, and we will answer them one by one here, and hope you will be satisfied.
Q1: Are you a factory or trading company?
A: We are a manufacturing factory with 14 years of production experiencewe can guarantee our price is first-hand, very cheap and competitive.
Q2: How does your factory do regarding quality control?
A: Strict 3-stage quality control system to ensure product consistency:
1. Raw Material Inspection
All incoming materials are tested for compliance with international standards.
2. In-Process Monitoring
2.1. QC inspectors conduct real-time checks at each production phase (e.g., molding, assembly, painting).
2.2. Key parameters (e.g., dimensions, tolerance, functionality) are recorded using digital tools to minimize human error.
3. Final Product Audit
3.1. 100% visual inspection for appearance defects (scratches, stains, misprints).
3.2. Random sampling for functional tests and dimension test.
3.3. Each batch is accompanied by a QC report before packaging.
Q3: When can I get the price?
A: 24 hours.
Q4: What are the way of the shipment?
A: We have some long-term and stable cooperative freight forwarding company, which can provide different shipment modes as per your needs:
Air: DDU terms by express (DHL, FedEx, UPS, etc.);
Sea: CIF/DDU/DDP services