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Precision Steel Balls for Bearings & Industrial Applications

CHANGZHOU HUARI – Trusted manufacturer of GCR15 Chrome Steel Balls, Stainless Steel Balls (316L, 440C), and specialty balls from 0.5mm to 250mm. ISO-certified, OEM-ready, global delivery.

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About CHANGZHOU HUARI

HUARI Factory

Precision Balls Since 1986

HUARI STEEL BALL is a professional steel ball manufacturer and supplier based in Changzhou, China. Established in 1986, our factory spans over 2,300 m² and is equipped with advanced production lines for high-precision steel, stainless steel, carbon steel, aluminum, brass, and specialty material balls.

We produce balls ranging from 0.5mm to 250mm in diameter, serving industries such as automotive, aerospace, medical devices, bearings, and industrial machinery. Our product line also includes ball retainers, deep groove ball bearings, and stamping parts.

  • ISO-Certified Manufacturing
  • OEM & Custom Production Available
  • Global Export Experience
  • One-Stop Service: Design to Delivery

Our Precision Ball Products

Chrome Steel Ball GCR15

Chrome Steel Ball (GCR15)

High hardness, wear resistance. Ideal for ball bearings, automotive, and industrial machinery.

Size: 0.5mm – 250mm

Grade: G5 to G100

Material: GCR15 / AISI 52100

Stainless Steel Ball 316L

Stainless Steel Ball 316L

Corrosion-resistant, non-magnetic. Used in marine, medical, and chemical environments.

Size: 1mm – 150mm

Grade: G10 to G100

Standard: AISI 316L

Stainless Steel Ball 440C

Stainless Steel Ball 440C

High hardness and corrosion resistance. Suitable for high-load bearings and valves.

Size: 1mm – 100mm

Grade: G5 to G50

Standard: AISI 440C

Carbon Steel Ball

Carbon Steel Ball

High strength and durability. Commonly used in tools, machinery, and industrial applications.

Size: 0.5mm – 200mm

Grade: G10 to G100

Material: 1010, 1045, etc.

Brass Ball

Brass Ball

Excellent machinability and corrosion resistance. Ideal for decorative and electrical applications.

Size: 1mm – 120mm

Alloy: H62, H65, C3604

Finish: Polished, Plated

Aluminum Ball

Aluminum Ball

Lightweight and corrosion-resistant. Used in aerospace, marine, and display applications.

Size: 2mm – 150mm

Alloy: 6061, 7075

Finish: Anodized, Polished

Copper Ball

Copper Ball

High electrical and thermal conductivity. Used in electronics and grounding systems.

Size: 1mm – 100mm

Purity: 99.9%+

Finish: Polished, Tinned

Ceramic Ball

Ceramic Ball (ZrO2/Si3N4)

Non-conductive, high-temperature resistant. Ideal for extreme environments and hybrid bearings.

Material: Zirconia, Silicon Nitride

Size: 1mm – 50mm

Grade: G3 to G20

Coated Steel Ball

Coated Steel Ball

Enhanced corrosion and wear resistance with PTFE, Zinc, or Black Oxide coating.

Coatings: Zinc, PTFE, Black Oxide

Base: GCR15 or Carbon Steel

Size: 1mm – 100mm

Drilled Ball

Drilled Ball

Precision-drilled through-center for specialized fastening and assembly applications.

Materials: Steel, Stainless, Brass

Diameter: 3mm – 50mm

Hole: 0.5mm – 3mm

Glass Ball

Glass Ball

Optically clear, chemically inert. Used in sensors, decorative items, and lab equipment.

Material: Borosilicate, Soda-Lime

Size: 1mm – 80mm

Clarity: High Optical Grade

Tool Steel Ball S2

S2 Tool Steel Ball

High impact resistance and toughness. Ideal for mining, drilling, and rock bits.

Hardness: 58-62 HRC

Size: 5mm – 60mm

Application: Rock Drills, Crushers

Why Choose HUARI?

Variety of Materials

From GCR15 and 316L to brass, aluminum, copper, and ceramics — we offer over 20 material options.

Customization Service

OEM and ODM supported. Custom sizes, grades, coatings, and packaging available.

Mass Stock Available

Large inventory ensures fast delivery for standard and high-demand items.

Complete Specifications

Sizes from 0.5mm to 250mm with precision grades up to G5. Full traceability and certification.

1986
Founded
2,300+
m² Factory
0.5–250
mm Size Range
50+
Countries Served

Frequently Asked Questions

We offer chrome steel (GCR15), stainless steel (304, 316L, 420, 440C), carbon steel, tool steel (S2), aluminum, brass, copper, ceramic (ZrO2, Si3N4), glass, and coated balls (zinc, PTFE, black oxide).
Our precision balls range from 0.5mm to 250mm in diameter, with tight tolerances and high-grade finishes.
Yes, we offer full OEM and ODM services, including custom sizes, materials, coatings, packaging, and branding.
Yes, our manufacturing processes are ISO-certified, ensuring consistent quality and traceability for every batch.
Our balls are used in bearings, automotive systems, aerospace, medical devices, valves, rock drilling tools, electronics, and industrial machinery.

Contact CHANGZHOU HUARI

For inquiries, quotes, or technical support, please reach out through the official website.

Visit Official Website to Contact

Email: info@czhuari.com

Mobile/WhatsApp: +86-15995017229 (Nicky Yang)

Tel: +86-519-81181030 ext. 606

Fax: +86-519-81181083

Address: No.202, Yangjia Tou, Nanzhai, Xueyan Town, Wujin, Changzhou, China 213178

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