5/16" Balls | McMaster-Carr

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System of Measurement

Diameter

Material

Stainless Steel

Tungsten Carbide

Shape

Tolerance Rating

Hardness Rating

Hardness

Durometer 50D to Durometer 65D

Rockwell R108 to Rockwell R121

Rockwell R120 to Rockwell R122

Rockwell 45N 83

Ball Diameter

Performance

Bearing Quality

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Fracture Resistant

High Temperature

Impact Resistant

Moisture Resistant

Thermal Shock Resistant

Thermally Conductive

Maximum Temperature

Less than 250° F

250° F to 499° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F or greater

Ball Material

Stainless Steel

Color

Height

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Heat Treatment

Appearance

Thread Size

Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

Minimum Temperature

-250° F or less

-249° F to -1° F

0° F to 249° F

Magnetic Properties

Specifications Met

Mount Type

Density

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24 Products

Raw Materials

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Plastic

A lightweight alternative to metal and glass

Tungsten

Our densest metal resists wear and heat to make end mills, heat shields, electrodes, and more

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Brass

More machinable than copper and bronze—all with material certificates for traceability

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

Material Handling

Ball Transfers

Install in arrays to create platforms for conveying, rotating, and positioning heavy objects

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)