Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu

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To be the stage of realizing dreams of our employees! To build a happier, more united and more professional team! To reach a mutual benefit of our customers, suppliers, the society and ourselves for Steel Sphere Bulkbuy , Heavy Metal Balls , Soft Stainless Steel Balls , To learn more about what we can do for you, contact us at any time. We look forward to establishing good and long-term business relationships with you.
Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu Detail:

Specification

Low noise high precision steel balls

Grade

G5/G10

Material

100Cr6, 440C

Hardness

HRC 55-66

Certification

ISO 9001, IATF 16949 qualified

Diameter

SIZE SPREADSHEET

(mm)

(inch)

(mm)

(inch)

3.175

1/8″

8.7

-

3.5

-

8.731

11/32″

3.969

5/32″

9.0

-

4.0

-

9.525

3/8″

4.2

-

10.0

-

4.4

-

10.3188

13/32″

4.5

-

11.0

-

4.63

-

11.1125

7/16″

4.7

-

11.5094

29/64″

4.7625

3/16″

11.9062

15/32″

4.8

-

12.0

-

4.9

-

12.3031

31/64″

5.0

-

12.7

1/2″

5.1

-

13.0

-

5.1594

-

13.4938

17/32″

5.2

-

14.0

-

5.25

-

14.2875

9/16″

5.3

-

15.0812

19/32″

5.35

-

15.0

-

5.4

-

15.875

5/8″

5.5

-

16.0

-

5.5562

7/32″

16.6688

21/32″

5.6

-

17.4625

11/16″

5.9531

15/64″

19.05

3/4″

6.0

-

20.0

-

6.35

1/4″

20.637

13/16″

6.5

-

22.0

-

6.7469

17/64″

22.225

7/8″

7.0

-

23.8125

15/16

7.1438

7/32″

25.4

1″

7.5

-

30.1625

1 3/16″

7.62

-

32.0

-

7.9375

5/16″

38.1

1 1/2″

8.0

-

Note: The diameters in the table above are the sizes we commonly manufacture. please contact us for unlisted sizes.

Our Advantage

● We have been engaged in steel ball production for more than 26 years;

● We offer a great variety of sizes ranged from 2.0mm to 55.0mm. The size spreadsheet can be referred as follows;

● We have a wide stock availability. Most of the standard sizes (2.0mm~55.0mm) and gauges (-8~+8) are available, which can be delivered immediately;

● Non-standard sizes and gauges can be manufactured under special request (such as 5.1mm, 5.15mm, 5.2mm, 5.3mm 5.4mm for seat track; 14.0mm for cam shaft and CV joint, etc.);

● Each batch of balls is inspected by sophisticated machines: roundness tester, roughness tester, metallographic analysis microscope, hardness tester (HRC and HV) to guarantee the quality.

Low-noise-high-precision-steel-balls-6
Low-noise-high-precision-steel-balls-7

FAQ

Q: What standards do you adhere to for manufacturing?
A: Our products are in compliance with the following standards industrial for steel balls:
● ISO 3290 (INTERNATIONAL)
● DIN 5401 (GER)
● AISI/ AFBMA (USA)
● JIS B1501 (JAP)
● GB/T308 (CHN)

Q: What kind of certificates do you achieve?
A: We own ISO9001:2008 management system certification and IATF16949: 2016 automotive industry quality management system certification.

Q: How is your quality assurance?
A: All produced balls are 100% sorted by the sorting bar and checked by the photoelectric surface defect detector. Before packaging samples balls from the lot are to send for final inspection to check for the roughness, roundness, hardness, variation, crush load and vibration in compliance with the standard. If all requirements are met, a inspection report will be made for the customer. Our sophisticated laboratory is equipped with high precision machines and equipment: Rockwell hardness tester, Vickers hardness tester, crushing load machine, roughness meter, roundness meter, diameter comparator, metallographic microscope, vibration measuring instrument, etc..

Q: Do you offer free samples for test?
A: Yes, we provide free samples to test and check quality.

Q: How long is your lead time?
A: Generally it takes around 3-5 days if the products are in stock. Or else the estimated lead time should be worked out according to your specific quantity, material and grade.

Q: We are not familiar with the international transportation. Will you handle all logistics?
A: Definitely, we deal with the logistic issues with our cooperated international freight forwarders with years’ of experience. The customers only need to provide us the basic information

Q: How is your packaging method?
A: 1. Conventional packaging method: 4 Inner boxes (14.5cm*9.5cm*8cm) per master carton (30cm*20cm*17cm) with dry plastic bag with VCI anti-rust paper or oiled plastic bag, 24 cartons per wooden pallet (80cm*60cm*65cm). Each carton weighs roughly 23kgs;
2.Steel drum packaging method: 4 steel drums (∅35cm*55cm) with dry plastic bag with VCI anti-rust paper or oiled plastic bag,4 drums per wooden pallet (74cm*74cm*55cm);
3.Customized packaging as per customer’s requirement.


Product detail pictures:

Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu detail pictures

Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu detail pictures

Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu detail pictures

Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu detail pictures

Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu detail pictures


Related Product Guide:

We stick to the principle of quality first, service first, continuous improvement and innovation to meet the customers for the management and zero defect, zero complaints as the quality objective. To perfect our service, we provide the products with the good quality at the reasonable price for Professional Design Large Hollow Steel Ball - Low noise high precision steel balls – Mingzhu , The product will supply to all over the world, such as: South Africa, Kuala Lumpur, United Arab emirates, We believe with our consistently excellent service you can get wonderful performance and cost least goods from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.
  • The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
    5 Stars By Norma from Latvia - 2017.09.28 18:29
    The company's products can meet our diverse needs, and the price is cheap, important is that the quality is also very nice.
    5 Stars By Hilary from Belgium - 2018.06.09 12:42