20mm Rods | McMaster-Carr

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System of Measurement

Diameter

3/4" to 1 11/16"

Shape

Material

Fiberglass Fabric

Polyurethane Rubber

Stainless Steel

Tungsten Carbide

Mechanical Finish

Precision Ground

End Type

Retaining Ring Groove

Tolerance Rating

Hardness Rating

Edge Type

Hardness

Knoop 570 HK 0.1

Thread Size

Heat Treatment

Stress Relieved

Steel Grade

1018 Low-Carbon Steel

52100 Alloy Steel

Fabrication

For Motion

ID

Width

Certificate Type

Material Certificate with Traceable Lot Number

RoHS

Compliant with Exemptions

REACH

Specifications Met

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Appearance

Maximum Temperature

Less than 500° F

1,000° F to 1,999° F

2,000° F to 2,999° F

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126 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Aluminum

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

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Tungsten

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

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

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

Ball Screws

Pair with a ball screw nut for low friction when moving 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.)