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Expanding Pins (Cam Handle)

Alignment Pins

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Product Information

Expanding Pins (Cam Handle) Part # CL-10-EXP-1.00 Carr Lane Mfg.®

Expanding Pins are precision alignment pins that expand slightly to tighten up hole clearance. This pin is an assembly of female split bushings separated by male segments, all on a center spindle, that expands when drawn together. This assembly provides excellent shear strength, comparable to a solid pin. Expanding Pins can be installed in through holes or blind holes. Available in standard pin diameters from 1/4 to 3/4", each in a choice of several lengths. Made in USA.

Operation

Expanding Pins are an assembly of female split bushings separated by male segments, all on a center spindle, that expands when drawn together. Moving the cam handle through its full travel expands the pin diameter to take up slack and secure the pin in place. If additional adjustment is required to achieve desired retention force, loosen the setscrew in the center of the barrel nut, turn the center spindle to achieve a tight fit, then re-tighten the setscrew.

Design Considerations

Choose a proper pin length such that no split bushings extend beyond the installation hole. All bushings must be contained by the hole in order to exert full pressure and avoid over-expanding the bushings.

Material

Split bushings, male segments, and spacers > 17-4PH stainless, Rc 40 min, passivated, dry film lube. Center spindle > 17-4PH stainless, Rc 36-40, passivated, dry film lube. Barrel nut and washer > 17-4PH stainless, passivated, dry film lube. Handle > Aluminum alloy, powder coated. RoHS compliant.

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Expanding Pins (Cam Handle)

Inch

QUANTITY	PART NO.	A DIA NOMINAL	A DIA RANGE	B	C	D	E	F	G	H DIA	DOUBLE- SHEAR STRENGTH (lbs)
	CL-4-EXP-0.50	1/4	.250 / .254	.50	1/4	2-3/8	1/2	5/16	.81	5/8	4,000
	CL-4-EXP-0.75	1/4	.250 / .254	.75	1/4	2-3/8	1/2	5/16	.81	5/8	4,000
	CL-4-EXP-1.00	1/4	.250 / .254	1.00	1/4	2-3/8	1/2	5/16	.81	5/8	4,000
	CL-4-EXP-1.50	1/4	.250 / .254	1.50	1/4	2-3/8	1/2	5/16	.81	5/8	4,000
	CL-4-EXP-2.00	1/4	.250 / .254	2.00	1/4	2-3/8	1/2	5/16	.81	5/8	4,000
	CL-4-EXP-3.00	1/4	.250 / .254	3.00	1/4	2-3/8	1/2	5/16	.81	5/8	4,000
	CL-5-EXP-1.00	5/16	.312 / .317	1.00	5/16	2-3/8	1/2	5/16	.81	5/8	6,300
	CL-5-EXP-2.00	5/16	.312 / .317	2.00	5/16	2-3/8	1/2	5/16	.81	5/8	6,300
	CL-5-EXP-3.00	5/16	.312 / .317	3.00	5/16	2-3/8	1/2	5/16	.81	5/8	6,300
	CL-6-EXP-1.00	3/8	.375 / .380	1.00	3/8	4-1/2	1	1/2	1.12	1	9,000
	CL-6-EXP-1.50	3/8	.375 / .380	1.50	3/8	4-1/2	1	1/2	1.12	1	9,000
	CL-6-EXP-2.00	3/8	.375 / .380	2.00	3/8	4-1/2	1	1/2	1.12	1	9,000
	CL-6-EXP-3.00	3/8	.375 / .380	3.00	3/8	4-1/2	1	1/2	1.12	1	9,000
	CL-8-EXP-0.50	1/2	.500 / .505	.50	1/2	4-1/2	1	1/2	1.12	1	16,100
	CL-8-EXP-1.00	1/2	.500 / .505	1.00	1/2	4-1/2	7/8	1/2	1.31	1	16,100
	CL-8-EXP-1.50	1/2	.500 / .505	1.50	1/2	4-1/2	7/8	1/2	1.31	1	16,100
	CL-8-EXP-2.00	1/2	.500 / .505	2.00	1/2	4-1/2	7/8	1/2	1.31	1	16,100
	CL-8-EXP-3.00	1/2	.500 / .505	3.00	5/8	4-1/2	7/8	1/2	1.31	1	16,100
	CL-10-EXP-1.00	5/8	.625 / .630	1.00	5/8	4-1/2	1	1/2	1.31	1	25,100
	CL-10-EXP-1.50	5/8	.625 / .630	1.50	5/8	4-1/2	1	1/2	1.31	1	25,100
	CL-10-EXP-2.00	5/8	.625 / .630	2.00	5/8	4-1/2	1	1/2	1.31	1	25,100
	CL-10-EXP-3.00	5/8	.625 / .630	3.00	5/8	4-1/2	1	1/2	1.31	1	25,100
	CL-12-EXP-2.00	3/4	.750 / .757	2.00	3/4	6	1-1/4	3/4	2.09	1-1/4	36,200
	CL-12-EXP-3.00	3/4	.750 / .757	3.00	3/4	6	1-1/4	3/4	2.09	1-1/4	36,200
	CL-12-EXP-4.00	3/4	.750 / .757	4.00	3/4	6	1-1/4	3/4	2.09	1-1/4	36,200

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