End Mill Holders | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	For End Mill Shank Diameter For End Mill Shank Diameter

	Shank Type Shank Type

	For Holding For Holding

	Head Length Head Length

	For Collet Type For Collet Type

	For Number of End Mill Milling Ends For Number of End Mill Milling Ends

	Material Material

Steel

Plastic

	Head Diameter Head Diameter

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

DFARS Specialty Metals
COTS-Exempt

	Projection Projection

	Shape Shape


Round Tube	Rectangular Tube

	Size Size

	Inside Length Inside Length

	Color Color

	Clear
	White

	Shank Thread Size Shank Thread Size

7/16"-20

5/8"-11

	ID ID

	Inside Width Inside Width

	Overall Length Overall Length

	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

	For Arbor Hole Size For Arbor Hole Size

	End Cap Style End Cap Style

	Slip On
	Twist On

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354 Products

Machine Tool Holding

CAT 40 Taper End Mill Holders

Securely grip end mills in machines with a CAT 40 taper spindle.

R8 Taper End Mill Holders

Hold end mills, drills, and reamers securely in manual milling machines that have an R8 taper spindle.

End Mill Extensions

Extend the reach of an end mill.

Morse Taper to R8 Taper Milling Machine Adapters

Convert tools with a Morse taper shank to an R8 shank for use in manual milling machines that have an R8 taper spindle.

Collet Chucks

Hold collets in the spindle of a milling machine.

R8 Collets

Use these collets to securely hold round-shank tool bits in the R8 spindle of a milling machine.

R8 Collet Sets

Use these collets to securely hold round-shank tool bits in the R8 spindle of a milling machine.

Quick-Change Tool Holders for Milling Machines

After installing the R8 body in the milling machine spindle, tool holders can be switched out in seconds.

R8 Taper Arbors for Slitting Saws

Mount these arbors into manual milling machines that have an R8 taper spindle.

Retention Knobs

Attach tool holders such as collet chucks and end mill holders to your CNC machine’s spindle.

Arbors for Face Milling Cutters

Mount large-diameter milling cutters securely in Bridgeport and similar milling machines that have an R8 taper spindle.

R8 Taper Drill Chuck Arbors

Use with R8 taper spindles which are most often found on manual milling machines.

Shipping Tubes

Square Adjustable-Length Shipping Tubes

These tubes are easier to label and stack than round tubes. To adjust the length, push the ends of the tube together or pull them apart.

Round Adjustable-Length Shipping Tubes

Adjust these tubes by twisting the two halves. A hexagonal end prevents rolling.

Sealed-End Round Cut-to-Length Shipping Tubes

These tubes have one sealed end and one end that closes with a cap.

Square Cut-to-Length Shipping Tubes

Because of their square shape, these tubes can be stacked, and the flat surface is easier to label than a round surface.

Round Cut-to-Length Shipping Tubes

Close these tubes with a cap on each end.