End Mill Tool Holders | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	For End Mill Shank Diameter For End Mill Shank Diameter

	For Holding For Holding

	Shank Type Shank Type

	Size Size

	Head Length Head Length

	Head Diameter Head Diameter

	For Collet Type For Collet Type

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

DFARS Specialty Metals
COTS-Exempt

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

	Overall Length Overall Length

	For Arbor Hole Size For Arbor Hole Size

	TIR (Total Indicated Runout) Accuracy TIR (Total Indicated Runout) Accuracy

0.0005"

0.0007"

0.0011"

	Projection Projection

	Shank Thread Size Shank Thread Size

7/16"-20

5/8"-11

	Manufacturer Model Number Manufacturer Model Number

	Thread Size Thread Size

	Component Component

R8 Body

End Mill Holder

Collet Holder

Face Milling Cutter Holder

Drill Chuck Holder

Tool Holder Stand

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

RoHS Compliant

	Shank Diameter Shank Diameter

3/4"

	Grip Angle Grip Angle

15°

30°

45°

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

REACH Compliant

	For Tool Morse Taper Number For Tool Morse Taper Number

View catalog pages (6)

Forward

How can we improve?

158 Products

Machine Tool Holding

R8 Taper End Mill Holders

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

CAT 40 Taper End Mill Holders

Securely grip end mills in machines with a CAT 40 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.

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.

Collet Chucks

Hold collets in the spindle of a milling machine.

R8 Taper Arbors for Slitting Saws

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

Arbors for Face Milling Cutters

Mount large-diameter milling cutters securely in Bridgeport and similar 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.

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 Drill Chuck Arbors

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