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

Thread Size

Mount Type

Appearance

Yield Strength

Ball Material

Stainless Steel

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 Diameter

Length

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Color

Heat Treatment

Minimum Temperature

-249° F to -100° F

-49° F to 0° F

Certificate Type

Material Certificate with Traceable Lot Number

Elongation

Mechanical Finish

Specifications Met

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231 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

Casters

Mount on the bottom of objects for easy movement

Building and Machinery Hardware

Ball Knobs

Provide grip on control levers and push-pull rods

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

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.)