R8 Taper Tool Holders | McMaster-Carr

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Collet Type

ER-16

ER-20

ER-32

System of Measurement

Inch

Metric

For End Mill Shank Diameter

For Holding

Arbor Hole Diameter

Component

Face Milling Cutter Holder

Collet Size

Head Diameter

For Drill Chuck Taper Number

Drill Chuck Mount Type

Overall Length

Head Length

For Number of End Mill Milling Ends

Number of Pieces

REACH

RoHS

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

Collet Sizes Included

Total Indicated Runout (TIR) Accuracy

0.0005"

0.0007"

0.0011"

For Tool Taper Number

Morse 2

Morse 3

Projection

For Drill Chuck Jacobs Taper Diameter

For Bit Shank Type

Nose Diameter

Bit Shank Size

121 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.

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 Collet Stands

R8 Taper Drill Chuck Arbors

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

Keyless Drill Chucks with Integral Arbor

The integral arbor is more rigid for greater accuracy than a drill chuck used with a separate arbor.

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.

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.

Boring Tool Holders for Milling Machines

Instead of widening a hole using a lathe, which turns the workpiece while the cutting tool stays still, use these holders to turn your boring bar in a milling machine and keep the workpiece stationary.