End Mill Holders | McMaster-Carr

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475 Products

End Mill Holders and Adapters

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.

Collets

R8 Collets

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

ER-25 Collets

Use these collets in milling machines that have an ER-25 collet chuck. With a round face and adjustable body, they compress to grip round-shank drill bits, end mills, reamers, and taps.

ER-32 Collets

Install into an ER-32 collet chuck or holder to tightly grip round-shank tool bits in milling machines.

ER-16 Collets

Install into an ER-16 collet chuck or holder to tightly grip round-shank tool bits in milling machines.

ER-20 Collets

Install into an ER-20 collet chuck or holder to tightly grip round-shank tool bits in milling machines.

ER-11 Collets

Install into an ER-11 collet chuck or holder to tightly grip round-shank tool bits in milling machines.

100-TG Collets

Install into a 100-TG collet chuck or holder to tightly grip round-shank tool bits in milling machines.

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.

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.

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.

Round Cut-to-Length Shipping Tubes

Close these tubes with a cap on each end.

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.