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	Collet Type Collet Type


R8	5C

ER-32

	System of Measurement System of Measurement

Metric

	Size Size	Show

16 mm

	Size Size	Hide

	Face Type Face Type

	Round

	For Holding For Holding

	Body Diameter Body Diameter

0.95"

1 1/4"

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

DFARS Specialty Metals
COTS-Exempt

	For Use With For Use With

Milling Machines

Lathes

	Overall Length Overall Length

1.57"

3.27"

4.089"

	Material Material

Steel

	Internal Thread Size Internal Thread Size

7/16"-20

1.041"-24

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

0.0011"

	External Thread Size External Thread Size

1.238"-20

	Grip Range Grip Range

15 mm-16 mm

15.5 mm-16 mm

	Approximate Diameter Compression Approximate Diameter Compression

1/32"

	Maximum Body Diameter Maximum Body Diameter

1.3"

	Specifications Met Specifications Met

ISO

DIN

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4 Products

R8 Collets

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

Round
Size	TIR (Total Indicated Runout) Accuracy	Workpiece Dia. Tolerance	Body Dia.	Overall Lg.	Internal Thread Size	Material		Each
16 mm	0.0011"	-0.004" to 0"	0.95"	4.089"	7/16"-20	Steel	0000000	000000

5C Collets

Round

These collets tightly grip workpieces when installed into a 5C collet chuck or holder. They provide a stronger hold on small workpieces than a standard lathe chuck.

Round
Size	TIR (Total Indicated Runout) Accuracy	Workpiece Dia. Tolerance	Body Dia.	Overall Lg.	Internal Thread Size	External Thread Size	Material		Each
16 mm	0.0011"	-0.004" to 0"	1 1/4"	3.27"	1.041"-24	1.238"-20	Steel	00000000	000000

ER-32 Collets

Collet

Collet with Coolant

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

Collets with coolant keep tools cool to extend tool life.

For technical drawings and 3-D models, click on a part number.

Round
Size	Grip Range	Workpiece Dia. Tolerance	Max. Body Dia.	Approximate Dia. Compression	Overall Lg.	Material	Features	Max. Coolant Pressure, psi	Specifications Met		Each
16 mm	15 mm-16 mm	-0.0001" to 0.0001"	1.3"	1/32"	1.57"	Hardened Steel	__	__	DIN 6499, ISO 15488B	00000000	000000
16 mm	15.5 mm-16 mm	-0.0001" to 0.0001"	1.3"	1/32"	1.57"	Hardened Steel	Coolant	1,000	DIN 6499, ISO 15488B	00000000	00000