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100% Original Harper Hand Dolly - Pin Thread Stem Swivel Grey Rubber Trolley Caster Double Brake With Bearing – RONGCHUAN


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Our enhancement depends around the sophisticated devices ,exceptional talents and repeatedly strengthened technology forces for Manufacture Supply, 5 Inch Swivel Casters, Harper Hand Trucks, On account of superior quality and competitive price , we will be the market leader, please don’t hesitate to contact us by phone or email, if you are interested in any of our products.
100% Original Harper Hand Dolly - Pin Thread Stem Swivel Grey Rubber Trolley Caster Double Brake With Bearing – RONGCHUAN Detail:

Polyvinyl chloride (Polyvinyl chloride), English abbreviation PVC, is a polymer of vinyl chloride monomer (VCM) polymerized by peroxide, azo compound and other initiators or under the action of light and heat according to the mechanism of free radical polymerization. . Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins.

PVC is a white powder with an amorphous structure with a small degree of branching. The glass transition temperature is 77~90°C, and it begins to decompose at about 170°C. The stability to light and heat is poor. Above 100°C or after long-term sunlight exposure, it will It decomposes to produce hydrogen chloride, and further autocatalytic decomposition, causing discoloration and rapid decline in physical and mechanical properties. In practical applications, stabilizers must be added to improve the stability to heat and light.

The molecular weight of industrially produced PVC is generally in the range of 50,000 to 110,000. It has a large polydispersity. The molecular weight increases with the decrease of the polymerization temperature. , 160 ~ 180 ℃ began to transform into a viscous flow state; good mechanical properties, tensile strength of about 60MPa, impact strength of 5 ~ 10kJ/m2; excellent dielectric properties.

PVC was once the largest general-purpose plastic in the world, and it is widely used. It is widely used in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foam materials, sealing materials, fibers, etc.

2 Inch 2.5 Inch 3 Inch 4 Inch 5 Inch
Wheel Diameter 50mm 65mm 75mm 100mm 125mm
Wheel Width 17mm 21mm 21mm 27mm 27mm
Load Height 71mm 91mm 101mm 117mm 154mm
Swivel Radius 45mm 63mm 65mm 84mm 97mm
Plate Size 50*50mm 65*65mm 65*65mm 76*76mm 76*76mm
Hole Spacing 35*35mm 48*48mm 48*48mm 53*53mm 53*53mm
Aperture 6.2*12mm 6.2*12mm 6.2*12mm 8.3*15.3mm 8.3*15.3mm
Threaded Stem Size M10*15 M10*15 M10*15 M12*30 M12*30
Load Capacity 30kg 35kg 45kg 55kg 65kg

1.Industrial storage desk
2.Small equipment handling
3.Furniture

1.Q:how long are the screws it comes with?

A:Generally M10*15

2.Q:Is it possible to order two that swivel and two that don’t? swivel?

3.A:Yes, there are two types of caster,Swivel and fixed.

Q:Can these castors be used outdoors?

A:Yes, it is depends on your requirements for caster size and load capacity.

4.Q:What’s the wheel dia of the casters?

A:There are 2 to 5 inches


Product detail pictures:

100% Original Harper Hand Dolly - Pin Thread Stem Swivel Grey Rubber Trolley Caster Double Brake With Bearing – RONGCHUAN detail pictures

100% Original Harper Hand Dolly - Pin Thread Stem Swivel Grey Rubber Trolley Caster Double Brake With Bearing – RONGCHUAN detail pictures

100% Original Harper Hand Dolly - Pin Thread Stem Swivel Grey Rubber Trolley Caster Double Brake With Bearing – RONGCHUAN detail pictures

100% Original Harper Hand Dolly - Pin Thread Stem Swivel Grey Rubber Trolley Caster Double Brake With Bearing – RONGCHUAN detail pictures


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We take pleasure in an extremely fantastic standing among the our prospects for our great product top quality, competitive cost and the finest support for 100% Original Harper Hand Dolly - Pin Thread Stem Swivel Grey Rubber Trolley Caster Double Brake With Bearing – RONGCHUAN , The product will supply to all over the world, such as: Panama, Mexico, Hongkong, Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost. Depending on this, our products are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
  • We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Tyler Larson from Cyprus - 2017.01.11 17:15
    In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Sharon from Casablanca - 2017.01.28 19:59