Mill Collets | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	Size Size

	Collet Type Collet Type


R8	ER-32

100-TG	ER-16

ER-25	ER-20

ER-11

	For Holding For Holding

	Grip Range Grip Range

	Overall Length Overall Length

	For Collet Type For Collet Type

	Material Material

Steel

Plastic

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

DFARS Specialty Metals
COTS-Exempt

	Shank Type Shank Type

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

0.0007"

0.0011"

	Collet Sizes Included Collet Sizes Included

	Projection Projection

	Maximum Body Diameter Maximum Body Diameter

	Number of Pieces Number of Pieces

	Approximate Diameter Compression Approximate Diameter Compression

1/64"

1/32"

	Specifications Met Specifications Met

ISO

DIN

JIS

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

RoHS Compliant

	For Number of Collets For Number of Collets

	Manufacturer Model Number Manufacturer Model Number

	Mounting Location Mounting Location

Bench Top

Machine

Wall

	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

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248 Products

Collets

R8 Collets

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

ER-32 Collets

Install into an ER-32 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.

ER-16 Collets

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

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.