Chuck Fixtures | McMaster-Carr

	Power Source Power Source

Manual

Air

Hydraulic

	Mounting Orientation Mounting Orientation

Vertical

Horizontal

	Material Material

Iron

Aluminum

Steel

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

REACH Compliant

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

RoHS Compliant

	Fixture Type Fixture Type

Fixture

Fixture, Foot Pedal, and Hose
Kit

	Length Length

3 3/4"

4 1/2"

9 11/16"

	Height Height

3 1/4"

3 5/16"

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

DFARS Specialty Metals
COTS-Exempt

	Body Width Body Width

	Through Hole Diameter Through Hole Diameter

1 1/16"

1 1/4"

	Base Length Base Length

3 7/8"

4 1/2"

	Base Width Base Width

3 1/2"

4 3/8"

	Width Width

	Index Increments Index Increments

1°

15°

	Center Height Center Height

2 3/4"

3 1/4"

	Overall Height Overall Height

7 Products

Collet Fixtures

Grip and release parts using 5C collets (sold separately). Use on milling machines, drill presses, or anywhere else you can mount this fixture. It has a spring-loaded handle for operation from any position.

					Mounting Slots
For Max. Workpiece Dia.	Lg.	Wd.	Ht.	Material	No. of	Wd.	Mounting Orientation	Power Source		Each
1 1/16"	3 3/4"	5"	4"	Cast Iron	4	11/16"	Horizontal, Vertical	Manual	0000000	0000000

Air-Operated Collet Fixtures

Fixture

Fixture, Foot Pedal, and Hose Kit

Control clamping action with air. Use 5C collets (sold separately) to grip and release parts on milling machines and drill presses.

							Mounting Holes				Air Inlet
Fixture Type	For Max. Workpiece Dia.	Dia.	Ht.	Max. Clamping Force, psi	Max. Air Pressure, psi	Material	No. of	Dia.	Mounting Orientation	No. of Air Ports	Connection Type	Pipe Size	Thread Type	Gender	Includes		Each
Fixture	1 1/16"	5 1/2"	3 1/4"	1,125	150	Aluminum	4	3/8"	Vertical	2	Hose	1/4	NPS	Male	__	0000000	0000000
Fixture, Foot Pedal, and Hose Kit	1 1/16"	5 1/2"	3 1/4"	1,125	150	Aluminum	4	3/8"	Vertical	2	Hose	1/4	NPS	Male	Air-Operated Fixture, Four-Way Foot-Operated Air Valve, Three 6-ft. Long Air Hoses	0000000	000000

Indexing Collet Fixtures

1° Index Increments

15° Index Increments

Used with a 5C collet (sold separately), these fixtures rotate round, hex, or square workpieces up to 1 1/8" diameter in precise increments. Also known as spindexers or punch formers, they are commonly used to drill holes into cylindrical parts, grind punches into precision shapes, and sharpen drill bits and end mills. To ensure accurate rotation, spindles are precision ground. Mount fixtures to a machine table for horizontal orientation or an angle plate for vertical. A through-hole accommodates long workpieces.

Fixtures with 1° index increments have an indexing plate with 36 holes for rotating in 10° steps and 10 additional holes for 1° refinements. Fixtures with 15° index increments have 24 locking positions.

			Overall		Base			Tolerance
Index Increments	Through Hole Dia.	Center Ht.	Lg.	Ht.	Lg.	Wd.	Body Wd.	Parallel	Squareness	Material		Each
1°	1 1/4"	2 3/4"	9 11/16"	5 1/4"	3 7/8"	4 3/8"	5"	0.0002"	0.0002"	Steel	0000000	000000000
15°	1 1/16"	3 1/4"	4 1/2"	8 1/2"	4 1/2"	3 1/2"	4"	0.001"	0.001"	Steel	0000000	000000

High-Density Air/Hydraulic-Operated Collet Fixtures

Four Fixtures (each sold separately)

Use multiple fixtures to create a workholding system capable of clamping and unclamping multiple parts with the push of a button. When powered hydraulically, these fixtures exert five times the force of standard air-operated collet fixtures, making them good for heavy machining requiring an extra-tight hold. Used with air, they provide the same holding power as standard fixtures. Maximum clamping force depends on the pressure of your system. To calculate the clamping force on your collet, multiply inlet pressure by 7.5. Use 5C collets (sold separately) to grip and release parts on milling machines and drill presses. During clamping, the collet remains stationary to ensure the workpiece does too. A through-hole on the bottom of the fixture accommodates long workpieces.

Connector bushings join multiple fixtures. Two connectors are needed for each fixture after the first.

				Max. Pressure		Max. Clamping Force		Mounting Holes				Port
For Max. Workpiece Dia.	Lg.	Wd.	Ht.	Air, psi	Hydraulic, psi	Air-Powered, psi	Hydraulic-Powered, psi	No. of	Thread Size	Mounting Orientation	No. of Ports	Pipe Size	Thread Type	Thread Gender	Includes		Each
Aluminum
1 1/16"	4"	4"	3 5/16"	150	750	1,125	5,625	4	3/8"-16	Horizontal, Vertical	2	1/4	NPT	Female	Collet Wrench	0000000	0000000

Connector Bushing

0000000

Each

000000