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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 business aims to operating faithfully, serving to all of our clients , and working in new technology and new machine continuously for 3 Inch Caster Wheels With Brakes, Stainless Steel Swivel Caster Wheels, Swivel Caster With Brake, We are expecting to cooperate with you on the basis of mutual benefits and common development. We will never disappoint you.
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 now have our individual sales group, layout team, technical team, QC crew and package group. Now we have strict high-quality control procedures for each procedure. Also, all of our workers are experienced in printing discipline 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: Wellington, Jersey, Barcelona, Now the competition in this field is very fierce; but we will still offer best quality, reasonable price and most considerate service in an endeavor to achieve win-win goal. "Change for the better!" is our slogan, which means "A better world is before us, so let's enjoy it!" Change for the better! Are you ready?
  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Danny from Tajikistan - 2017.08.15 12:36
    It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Rigoberto Boler from Brunei - 2018.06.05 13:10