Высококачественные промышленные нейлоновые ролики для гаражных дверей с стержнем и подшипником 2 или 3

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Количество:

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Products Description


product name
Roller shutter door windlock
Size
2" nylon rollers, 3" nylon rollers, 2" metal rollers, 3" metal rollers, etc.
Length of stem
Normally it is 4", 7" and 7/16". We can also make it according to your requirements
Ball Type
No ball, 7 balls, 8 balls, 10 balls, 11 balls, 13 balls
Bearing
Pressed, Precision bearing, 6200ZZ, 6200RS, etc.
Wheel Diameter
46 mm (1 13/16”), 70 mm (2 13/16”)
Track size
2" track and 3" track
Cycle Rating
75 LB @ 750,000 for 2" rollers
75 LB @ 1,000,000 for 3" rollers
Colors
Normally white, black, silver. We can make customized red, blue, green, etc.
Surface type
Bulged, covered, double sealed etc.
Surface treatment
Zinc plated
Process
Cold forged and heat treatment
TEST for rollers
Destructive test, strain relief test, hardness test, freezing test, life test.




Sample Room






Product packaging




FAQ


Q1: Could you produce according to the samples?
A: Yes, we could customer-made by your samples or technique drawings, we could build the mold and fixtures.

Q2: Could you provide the compliment samples?
A: Yes, we could provide the free samples on conditions it is available in stocks, however, the transportation fee is borne by buyer.

Q3: How could you guarantee your products?
A: Each piece of products is manufactured by certified workshops, in accordance with the national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

Q4: How do we trust your company?
A: you are welcome to investigate in any ways, by all means, you could place an order in alibaba with trade assurance which could secure your payment.


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