4mm 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

Heat Treatment

End Type

Thread Size

Appearance

End Shape

Hardness

Knoop 418 HK 0.1

Knoop 570 HK 0.1

Specifications Met

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

Steel Grade

12L13 Carbon Steel

12L14 Carbon Steel

1018 Low-Carbon Steel

4140 Alloy Steel

52100 Alloy Steel

Drill Bit Size

Shaft Type

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

Certificate Type

Material Certificate with Traceable Lot Number

Performance

Corrosion Resistant

Electrically Insulating

High Temperature

Impact Resistant

Moisture Resistant

Shaft Motion

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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

Aluminum

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

Garolite

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

Brass

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

Glass

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

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

Fastening and Joining

Dowel Pins

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

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

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