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Precision Steel Balls for Every Industry

Trusted by over 10,000 customers worldwide. High-quality stainless, carbon, chrome, ceramic, and specialty steel balls manufactured with 20+ years of expertise.

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20+
Years Experience
60+
Countries Served
10K+
Global Clients
99.9%
Quality Rate

About SteelBallBearing.com

Shandong Sinmax Import & Export Co., Ltd. is a leading manufacturer and exporter of precision steel balls, integrating R&D, production, sales, and service. With over two decades of experience, we specialize in producing high-performance steel balls used across aerospace, medical, automotive, food processing, and industrial machinery sectors.

Our product range includes stainless steel balls (304, 316, 420C, 440C), carbon steel balls (low and high carbon), chrome steel balls, aluminum, brass, copper, ceramic (silicon nitride, zirconia), glass, and specialized variants such as hollow, coated, and drilled steel balls.

Trusted by nearly 10,000 long-term clients across 60+ countries, we are proud to be recognized as an "Advanced Private Enterprise" for our commitment to quality, innovation, and customer service.

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Stainless Steel Balls Precision Chrome Steel Ball 316 Stainless Steel Balls Industrial Bearing Balls

Our Premium Products

Explore our wide range of precision-engineered steel and specialty balls designed for durability, corrosion resistance, and high performance in demanding environments.

304 Stainless Steel Ball

304 Stainless Steel Ball

Ideal for food, medical, and general industrial applications. Excellent corrosion resistance and non-magnetic properties.

  • • AISI 304 / 304L
  • • Diameter: 0.5mm - 100mm
  • • High polish finish
  • • Used in sprayers, valves, pumps
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316/316L Stainless Steel Ball

316/316L Stainless Steel Ball

Superior corrosion resistance for marine, pharmaceutical, and chemical environments. Weldable and chlorine-resistant.

  • • AISI 316 / 316L
  • • Seawater & chemical resistant
  • • Ideal for medical devices
  • • Low intergranular corrosion
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Chrome Steel Ball

Chrome Steel Ball (52100)

High hardness and wear resistance. Commonly used in bearings, automotive, and industrial machinery.

  • • G1000 to G3 precision
  • • Hardness: 60-66 HRC
  • • Ideal for ball bearings
  • • Long service life
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440C Stainless Steel Ball

440C Stainless Steel Ball

Highest hardness among stainless steels. Used in high-stress, corrosive environments like aerospace and military.

  • • AISI 440C
  • • Hardness: 58-62 HRC
  • • Excellent wear resistance
  • • Precision-ground finish
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Low Carbon Steel Ball

Low Carbon Steel Ball (1010/1015)

Good toughness and machinability. Cost-effective for furniture, toys, and general hardware.

  • • AISI 1010 / 1015
  • • Soft and ductile
  • • Easy to coat or plate
  • • Used in sliding arms, nozzles
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High Carbon Steel Ball

High Carbon Steel Ball (1085)

Used in low-speed, low-load applications such as gears, guide rails, and bicycle bearings.

  • • AISI 1085
  • • Good wear resistance
  • • Heat treatable
  • • Economical solution
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Silicon Nitride Ceramic Ball

Silicon Nitride Ceramic Ball

Ultra-light, non-conductive, and corrosion-proof. Ideal for high-speed and extreme environments.

  • • Si3N4 material
  • • 40% lighter than steel
  • • Non-magnetic & insulating
  • • Used in aerospace & motors
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Zirconia Ceramic Ball

Zirconia (ZrO2) Ceramic Ball

High strength and thermal resistance. Used in chemical, medical, and food processing industries.

  • • ZrO2 material
  • • Biocompatible
  • • Excellent wear resistance
  • • White color, non-toxic
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Brass Ball

Brass Ball

Decorative and functional. Used in plumbing, marine hardware, and architectural applications.

  • • High corrosion resistance
  • • Good machinability
  • • Aesthetic golden finish
  • • Non-sparking
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Aluminum Ball

Aluminum Ball

Lightweight and corrosion-resistant. Ideal for aerospace, marine, and decorative uses.

  • • Lightweight (1/3 steel)
  • • Anodizing compatible
  • • Non-magnetic
  • • Good thermal conductor
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Hollow Steel Ball

Hollow Steel Ball

Reduced weight with structural integrity. Used in sensors, floats, and specialized mechanisms.

  • • Custom wall thickness
  • • Stainless or carbon steel
  • • Precision-balanced
  • • Sealed or vented options
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Steel Ball with Hole

Steel Ball with Hole

Custom-drilled balls for specialized mounting, sensing, or fluid passage applications.

  • • Through-hole or blind hole
  • • Any material available
  • • Precision alignment
  • • Custom diameters and hole sizes
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Why Choose SteelBallBearing.com?

We deliver unmatched quality, global reach, and technical expertise in every product.

Certified Quality

ISO-compliant manufacturing with rigorous testing ensures every ball meets international standards for hardness, roundness, and surface finish.

Global Distribution

Serving over 60 countries with reliable logistics, fast delivery, and dedicated customer support in multiple languages.

20+ Years Expertise

Two decades of R&D and production experience ensure innovative solutions, custom designs, and long-term reliability.

20+
Years in Business
60+
Countries Served
10,000+
Satisfied Clients
99.9%
Quality Pass Rate

Frequently Asked Questions

Get answers to common inquiries about our products and services.

What materials do you offer for steel balls?

We manufacture balls in stainless steel (304, 316, 420C, 440C), carbon steel (1010, 1085), chrome steel, aluminum, brass, copper, ceramic (silicon nitride, zirconia), glass, and specialty variants like hollow or drilled balls.

What is the difference between 304 and 316 stainless steel balls?

304 offers good corrosion resistance for general use. 316 contains molybdenum, providing superior resistance to chlorides and marine environments. 316L is the low-carbon version, ideal for welding applications.

Can you provide custom sizes or special finishes?

Yes, we offer custom diameters from 0.5mm to 100mm, precision grades (G3 to G1000), and surface treatments including polishing, coating, and drilling.

What industries do you serve?

Our products are used in aerospace, medical devices, food processing, automotive, industrial machinery, marine, and consumer goods.

Do you offer bulk pricing and international shipping?

Yes, we provide competitive pricing for large orders and ship globally with reliable logistics partners. Contact us for a quote based on your volume and destination.

Get in Touch

For quotes, technical support, or custom orders, visit our official website to connect with our team.

Visit Official Website

Shandong Sinmax Import & Export Co., Ltd.

Phone: +86 15552657215

Email: admin@sinmaxball.com

Focusing on steel balls for nearly 20 years

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