3/16" Steel Balls – Grade 40 | Pack of 2000

Industrial-Grade Precision | Engineered for Mechanical Excellence

When your application demands reliable, uniform, and wear-resistant motion, choose the precision of 3/16" Steel Balls – Grade 40. These high-carbon steel balls are manufactured to exacting standards, offering dependable performance in medium-precision mechanical and industrial systems. Whether you're assembling bearings or crafting mechanical systems, this bulk pack ensures consistency and long-lasting utility.

⚙️ Technical Specifications:

ParameterSpecificationDiameter3/16 inch (4.76 mm)GradeG40 (ISO 3290 standard)Sphericity Tolerance±13 µmMaterialHardened High-Carbon SteelFinishPolished, mirror-likeHardness~HRC 60–66Density~7.85 g/cm³Pack Quantity2000 balls

🔩 Precision Engineering for Demanding Applications

Grade 40 steel balls maintain high roundness accuracy, offering a tolerance level suitable for moderate-to-high-precision mechanisms. Each ball undergoes controlled heat treatment and precision grinding, resulting in a polished finish that reduces friction and improves performance in dynamic assemblies.

🛠️ Use Case Applications:

Mechanical & Industrial Systems:

• Ball and roller bearings

• Gear assemblies

• Cam followers

• Conveyor mechanisms

Automotive Components:

• Transmission systems

• CV and U-joints

• Steering column bearings

Precision Instruments:

• Actuators and linear guides

• Valves and control systems

• Lab equipment and test rigs

Recreational & DIY:

• High-power slingshots (check legality in your region)

• Robotics and mechanical modeling

• Engineering prototypes

🧪 Material & Performance Benefits:

• High Hardness: Rockwell 60+ ensures deformation resistance under load.

• Tight Tolerances: Consistent dimensions for balanced, vibration-free operation.

• Smooth Finish: Minimizes surface friction, allowing longer operational life.

• Mass Quantity: 2000-piece pack for efficient stocking, production, or high-volume replacement use.