4 Inch rubber stem swivel Trolley Casters

Short Description:

Model No.:18E-tpr


2.5/3/4/5 inch gray rubber casters single wheel maximum load capacity 140KG. Single wheel using environmentally friendly imported artificial rubber materials, bonding performance, with shock absorption, wear resistance, silent, high rebound and other excellent performance. The bracket is made of high quality iron plate, and the grease of the caster disc and bearing is made of lithium molybdenum disulfide grease, which has excellent adsorption, anti-rust, anti-oxidation, anti-wear and longer service life.

Product Detail

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Product advantages

1、Our caster bobbins are made of manganese steel, which is a mixture of steel and carbon with impact and wear resistance properties that extend the life of the caster.


2、Our caster wave plate uses lithium molybdenum disulfide grease, which has strong adsorption, waterproof and high temperature resistance, and can still play a lubricating role in harsh environments.


3、The surface of our caster bracket adopts the spraying process, the anti-corrosion and anti-rust grade reaches 9, the traditional electroplating grade 5, galvanized only grade 3. Zhuo Ye manganese steel casters are more suitable for use in the harsh environment of wet, acid and alkaline.

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Product Specifications


Production Process

Production Process

Application Scenarios

Application Scenarios

Quality Control

1、Strict material selection and source quality control

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2、Professional production factory, strictly controlling defect rate

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3、Continuously updated experimental equipment, including salt spray testing machines, castor walking testing machines, castor impact resistance testing machines, etc

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4、Dedicated quality control team with 100% manual testing for all products to minimize defect rates

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5、Certified to ISO9001, CE, and ROSH

Logistics transportation

Logistics transportation

Cooperative Partner


Customer Testimonials

Customer Testimonials

About samples

1. How to apply for free samples?
lf the item(you selected) itself have stock with lower value, we can send you some for testing, but we need your comments after tests.
2. What about the charge of samples?
lf the item (you selected) itself have no stock or with higher value, usually double its fees.
3. How to send samples?
You got two options:
(1)You can inform us your detailed address, telephone number, consignee and any express account you have.
(2) We have been cooperated with FedEx for more than ten years, we have good discount since we're theirs VIP. We'll let them estimate the freight for you, and the samples will be delivered after we received sample freight cost.

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