12mm Shafts | McMaster-Carr

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System of Measurement

Diameter

Length

End Type

Retaining Ring Groove

Material

Fiberglass Fabric

Stainless Steel

Tungsten Carbide

Mechanical Finish

Precision Ground

Edge Type

For Motion

Hardness Rating

Shape

Thread Size

Hardness

Tolerance Rating

Heat Treatment

Stress Relieved

Thread Length

Shaft Type

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Keyway Width

Thread Pitch

Overall Length

ID

Fastener Head Type

Steel Grade

12L14 Carbon Steel

1018 Low-Carbon Steel

4140 Alloy Steel

52100 Alloy Steel

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196 Products

Power Transmission

Rotary Shafts

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

Linear Shafts

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

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

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

Copper

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

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.)