Keyed Axles | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Diameter Diameter

	Length Length

	End Type End Type	Show

	Keyed

	End Type End Type	Hide


Straight	Made to Order

Threaded	With Retaining Ring Grooves

Keyed	Tapped

D-Profile	Step Down

Splined

	Material Material

Steel

Stainless Steel

Aluminum

	Keyway Length Keyway Length

	Keyway Width Keyway Width

	Mechanical Finish Mechanical Finish

Precision Ground

Polished

Turned

	Edge Type Edge Type

	Chamfered

	For Motion Type For Motion Type

	Rotary

	Keyway Depth Keyway Depth

	Hardness Rating Hardness Rating

Soft

Medium

Hard

	Hardness Hardness

	Yield Strength Yield Strength

Less than 40,000 psi

40,000 to 49,999 psi

70,000 to 79,999 psi

80,000 psi or greater

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Thread Size Thread Size

	(ORDERING) Keyway Length (Range) (ORDERING) Keyway Length (Range)

150mm

	Heat Treatment Heat Treatment

Annealed (Softened)

Hardened

	Step Length Step Length

Made to Order

	Number of Grooves Number of Grooves

	Thread Length Thread Length

Made to Order

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About Shafts

Keyed Rotary Shafts

Combine with a machine key to transmit torque to gears, sprockets, and other power transmission components.

Partially Keyed Rotary Shafts

These shafts have keyways only on the ends, leaving a plain shaft in the center. Use the keyways with machine keys to transmit torque to gears, sprockets, and other keyed components. Use the middle of the shaft with bearings and other round-bore components.

Keyed Rotary Shafts with Material Certification

In addition to diameter tolerances that are twice as tight as standard keyed shafts, these shafts include a traceable lot number and test report. Use them with machine keys to transmit torque to gears, sprockets, and other power transmission components.

Threaded Rotary Shafts

Attach threaded accessories, such as mixer propellers and fan blades, to the end of these shafts.

Tapped Rotary Shafts

Connect these internally threaded shafts directly to threaded components, or use a fastener to secure.

D-Profile Rotary Shafts

A flat surface area allows set screws to dig into the shaft for securely mounting gears, sprockets, and bearings.

Rotary Shafts with Retaining Ring Grooves

Clip retaining rings into the grooves to separate and position gears, sprockets, and bearings.

Step-Down Rotary Shafts

A shoulder near the end of the shaft provides a stop for gears, sprockets, and bearings.