Metric Balls | McMaster-Carr

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System of Measurement

Diameter

Material

Grade 5 Titanium

Stainless Steel

Tungsten Carbide

Shape

Tolerance Rating

Hardness Rating

Hardness

Rockwell R108 to Rockwell R121

Rockwell R120 to Rockwell R122

Rockwell 45N 81

Rockwell 45N 83

Thread Size

Appearance

Mount Type

Ball Diameter

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

Heat Treatment

Yield Strength

Certificate Type

Material Certificate with Traceable Lot Number

Length

Ball Material

Stainless Steel

REACH

RoHS

DFARS Specialty Metals

Minimum Temperature

-249° F to -1° F

0° F to 249° F

Export Control Classification Number (ECCN)

Color

Mechanical Finish

Performance

Bearing Quality

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Fracture Resistant

High Temperature

Highly Weldable

Moisture Resistant

Thermally Stable

Elongation

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213 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

Ceramic

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

Tungsten

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

Plastic

A lightweight alternative to metal and glass

Aluminum

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

Titanium

The most corrosion-resistant metal we offer—all with material certificates for traceability

Material Handling

Ball Transfers

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

Fabricating and Machining

Tooling Balls

Create a physical reference point for aligning workpieces in fixturing

Tumbling Media

Use in tumblers to polish, finish, deburr, clean, or round the edges of metal parts

Building and Machinery Hardware

Ball Knobs

Provide grip on control levers and push-pull rods

Measuring and Inspecting

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

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