3mm Rods | McMaster-Carr

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System of Measurement

Diameter

Length

Shape

Material

Stainless Steel

Tungsten Carbide

Tolerance Rating

Hardness Rating

Mechanical Finish

Precision Ground

Fabrication

Appearance

End Shape

End Type

Specifications Met

Drill Bit Size

Steel Grade

12L13 Carbon Steel

12L14 Carbon Steel

1018 Low-Carbon Steel

4140 Alloy Steel

52100 Alloy Steel

Heat Treatment

Hardness

Knoop 418 HK 0.1

Knoop 570 HK 0.1

Heat Treatable

Shaft Type

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Yield Strength

Less than 10,000 psi

10,000 psi to 19,999 psi

20,000 psi to 99,999 psi

100,000 psi to 199,999 psi

Certificate Type

Material Certificate with Traceable Lot Number

Maximum Hardness After Heat Treatment

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160 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

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

Tungsten

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

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

Brass

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

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

Fastening and Joining

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

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