4mm Rods | McMaster-Carr

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System of Measurement

Diameter

3/4" to 1 11/16"

Shape

Length

Material

Fiberglass Fabric

Stainless Steel

Tungsten Carbide

Hardness Rating

Tolerance Rating

Mechanical Finish

Precision Ground

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Flame Retardant

High Temperature

Highly Weldable

Impact Resistant

Moisture Resistant

Heat Treatment

Thread Size

Appearance

End Shape

Hardness

Knoop 418 HK 0.1

Knoop 570 HK 0.1

Specifications Met

Shaft Type

DFARS Specialty Metals

For Motion

End Type

Steel Grade

12L13 Carbon Steel

12L14 Carbon Steel

1018 Low-Carbon Steel

4140 Alloy Steel

52100 Alloy Steel

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Fabrication

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

Maximum Temperature

Less than 1,000° F

1,000° F to 1,999° F

2,000° F to 2,999° F

How can we improve?

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

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

Power Transmission

Linear Shafts

Pair with linear bearings to reduce friction in manual and automated systems

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

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.)