Product Details
Retractable Heavy-Duty Leveling Casters with Nylon Wheels
Features
Triple-Lock System: Simultaneously secures (1) wheel rotation, (2)
swivel movement, and (3) height position
High-Performance Nylon Wheel: 80mm diameter with glass fiber
reinforcement (PA6+30%GF) for 500kg static load
Precision Adjustment: 30mm vertical travel with ±0.2mm
repeatability via ergonomic lever
Corrosion-Resistant Build: Zinc-nickel plated steel housing (1200hr
salt spray tested to ASTM B117)
Low-Profile Design: 85mm installed height fits confined spaces
Function
Dual-Mode Operation:
Instant Conversion: Single-lever action switches between modes in
<3 seconds
Load Redistribution: Automatic weight transfer to base plate
reduces wheel fatigue by 40%
Application
Industrial Machinery: CNC mills (JIS B 6336 compliant), injection
molding machines
Material Handling: Assembly line jigs (compatible with Bosch
Rexroth profiles)
Medical: Radiolucent variants available for CT/PET scanner carts
Aerospace: FAA-approved version for ground support equipment
Food Processing: NSF-certified stainless steel models
Technical Parameters
Size | Base plate size(mm) | Screw specification(mm) | Installation height(mm) | loading capacity(kg) |
PA | PP | TPR |
T50 level caster | 50*63 | M8*25 | 78+5 | 110 | 95 | 65 |
T50 swivel caster | 50*63 | M8*25 | 78 | 110 | 95 | 65 |
T50 swivel caster with brake | 50*63 | M8*25 | 78 | 110 | 95 | 65 |
Factory Shows
Company Profile
Zhongshan Dajin Caster Manufacturing Co., Ltd., founded on November
24, 2011, is a specialist caster and wheel producer headquartered
in Guangdong, China, with over 13 years of experience in design,
R&D and manufacturing. Our ISO 9001–certified facility spans
2,585 m² and houses six production lines and 23 advanced machines,
enabling us to deliver more than US $2 million in annual export
revenue to markets including North America (50%), South America
(6%) and domestic clients (30%) . We maintain full raw-material
traceability, 100% on-time delivery and rigorous inspection
protocols, backed by REACH, RoHS and CE certifications.

Under our PLEYMA brand, we leverage over 15 years of caster-wheel
expertise to offer 1,000+ SKUs spanning furniture, medical,
industrial, trolley/cart and AGV applications, all produced in a
National High-Tech Enterprise facility verified by TUV and
compliant with European RoHS standards. Our end-to-end
customization capabilities—from sample processing to graphic
design—ensure low-MOQ orders can be tailored precisely to each
customer’s needs, supported by a responsive technical team and
professional QC department. Whether you require light-duty office
chair wheels, heavy-duty industrial casters or innovative
medium-heavy solutions, Dajin/PLEYMA delivers reliable,
high-performance products and bespoke services to help your
business move forward.
