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Hydraulic

ID Expansion Clamps

Home > Products > Hydraulic > Special Use Clamps > ID Expansion Clamps
ID Expansion Clamps (PDF 700.00 KB)

Features

ID Expansion Clamps

Features

Ideal for clamping in blind holes
or bore holes.
Save hours and fatigue by not
manual clamping.
Consistent clamping force without
the use of a torque wrench.
Range of expansion .010 to .015
depending upon size.
Mandrel can be modified to
fit application***
All cylinder pistons are chrome
plated, hardened alloy steel.

Specifications

ID Expansion Clamps

Specifications

Model No.	Radial Clamping Force (lbs)*	Stroke of Cylinder	Hole Size On Part*** Max / Min	Effective Piston Area (sq. in.) Extend / Retract	Oil Capacity (cu. in.) Extend / Retract	Replacement Parts Pull Bolt / Mandrel**
Specifications
Double Acting (D/A) Cylinders, actuated hydraulically both directions.
15-5206-00	700	.13	.49 / .28	.31 / .20	.04 / .03	21-4110-47 / 91-5506-00
15-5210-00	1700	.25	.56 / .48	.79 / .59	.20 / .15	21-4110-48 / 91-5510-00
15-5210-01	1300	.25	.79 / .53	.79 / .59	.20 / .15	21-4110-49 / 91-5510-01
15-5214-00	2900	.25	1.06 / .71	1.48 / 1.04	.37 / .26	21-4110-50 / 91-5514-00
15-5217-00	3600	.38	1.39 / .90	2.41 / 1.80	.90 / .68	21-4110-51 / 91-5517-00
15-5222-00	7900	.38	1.65 / 1.15	4.43 / 3.44	1.66 / 1.29	21-4110-52 / 91-5522-00

Dimensions

ID Expansion Clamps

Dimensions

Model No.	A	B	C	D	E	F	G	H	J	K	L
Specifications
15-5206-00	2.23	3.05	.49 / .28	.010	.63	.59	76	1.17	2.190	.25	1.07
15-5210-00	2.62	3.51	.56 / .48	.013	.75	.59	88	1.24	2.580	.25	1.25
15-5210-01	2.86	3.57	.79 / .53	.015	.75	.59	88	1.48	2.816	.25	1.25
15-5214-00	3.36	3.88	1.06 / .71	.015	.88	.69	1.03	1.97	3.315	.25	1.31
15-5217-00	3.59	4.57	1.39 / .90	.015	1.00	.81	1.12	2.21	3.552	.25	1.54
15-5222-00	4.34	5.21	1.65 / 1.15	.015	1.25	1.06	1.46	2.74	4.300	.25	1.77

Model No.	M	N	P	Q	R	S	T	U	V
Specifications (cont.)
15-5206-00	.37	.23	.21	1.73	6-32 x .38	1.63	SAE 2	1.63	1/4-28 x .630
15-5210-00	.44	.30	.27	2.00	6-32 x .38	1.87	SAE 2	2.00	5/16-24 x .630
15-5210-01	.44	.30	.27	2.24	6-32 x .38	2.11	SAE 4	2.00	5/16-24 x .630
15-5214-00	.44	.30	.27	2.85	8-32 x .38	2.43	SAE 4	2.50	5/16-24 x .630
15-5217-00	.44	.30	.27	3.09	8-32 x .38	2.67	SAE 4	2.75	5/16-24 x .630
15-5222-00	.50	.38	.33	3.67	10-32 x .45	3.25	SAE 4	3.50	3/8-24 x .630

*WARNING: Actuating Clamp without part loaded will result in permanent damage!

* Mandral diameter C is shipped at MAX condition. Diameter can be turned down to fit workpiece bore.
Diameter should not be machined down below C MIN dimension.

** Expand clamp approximately .002 to .003 over relaxed diameter and machine to fit workpiece bore.

Mounting

ID Expansion Clamps

Mounting

For proper sealing, mating surface must be flat within 0.003 in. with a maximum 63 µin R_a surface finish.

Model No.	A	B	C	D	E	F	G	H	J	K
Specifications
15-5206-00	10-32 UNF	.281	1.732	1.625	2.193	2.23	1.17	.32	.170	1.63
15-5210-00	1/4-20 UNC	.344	2.000	2.000	2.583	2.62	1.24	.32	.170	1.87
15-5210-01	1/4-20 UNC	.344	2.236	2.000	2.819	2.86	1.48	.32	.170	2.11
15-5214-00	1/4-20 UNC	.344	2.852	2.500	3.318	3.36	1.97	.37	.194	2.43
15-5217-00	1/4-20 UNC	.344	3.088	2.750	3.555	3.59	2.21	.37	.194	2.67
15-5222-00	5/16-18 UNC	.406	3.670	3.500	4.303	4.34	2.74	.43	.221	3.25

FeaturesSpecificationsDimensionsMounting

ID Expansion Clamps

Features

Ideal for clamping in blind holes
or bore holes.
Save hours and fatigue by not
manual clamping.
Consistent clamping force without
the use of a torque wrench.
Range of expansion .010 to .015
depending upon size.
Mandrel can be modified to
fit application***
All cylinder pistons are chrome
plated, hardened alloy steel.

ID Expansion Clamps

Specifications

Model No.	Radial Clamping Force (lbs)*	Stroke of Cylinder	Hole Size On Part*** Max / Min	Effective Piston Area (sq. in.) Extend / Retract	Oil Capacity (cu. in.) Extend / Retract	Replacement Parts Pull Bolt / Mandrel**
Specifications
Double Acting (D/A) Cylinders, actuated hydraulically both directions.
15-5206-00	700	.13	.49 / .28	.31 / .20	.04 / .03	21-4110-47 / 91-5506-00
15-5210-00	1700	.25	.56 / .48	.79 / .59	.20 / .15	21-4110-48 / 91-5510-00
15-5210-01	1300	.25	.79 / .53	.79 / .59	.20 / .15	21-4110-49 / 91-5510-01
15-5214-00	2900	.25	1.06 / .71	1.48 / 1.04	.37 / .26	21-4110-50 / 91-5514-00
15-5217-00	3600	.38	1.39 / .90	2.41 / 1.80	.90 / .68	21-4110-51 / 91-5517-00
15-5222-00	7900	.38	1.65 / 1.15	4.43 / 3.44	1.66 / 1.29	21-4110-52 / 91-5522-00

ID Expansion Clamps

Dimensions

Model No.	A	B	C	D	E	F	G	H	J	K	L
Specifications
15-5206-00	2.23	3.05	.49 / .28	.010	.63	.59	76	1.17	2.190	.25	1.07
15-5210-00	2.62	3.51	.56 / .48	.013	.75	.59	88	1.24	2.580	.25	1.25
15-5210-01	2.86	3.57	.79 / .53	.015	.75	.59	88	1.48	2.816	.25	1.25
15-5214-00	3.36	3.88	1.06 / .71	.015	.88	.69	1.03	1.97	3.315	.25	1.31
15-5217-00	3.59	4.57	1.39 / .90	.015	1.00	.81	1.12	2.21	3.552	.25	1.54
15-5222-00	4.34	5.21	1.65 / 1.15	.015	1.25	1.06	1.46	2.74	4.300	.25	1.77

Model No.	M	N	P	Q	R	S	T	U	V
Specifications (cont.)
15-5206-00	.37	.23	.21	1.73	6-32 x .38	1.63	SAE 2	1.63	1/4-28 x .630
15-5210-00	.44	.30	.27	2.00	6-32 x .38	1.87	SAE 2	2.00	5/16-24 x .630
15-5210-01	.44	.30	.27	2.24	6-32 x .38	2.11	SAE 4	2.00	5/16-24 x .630
15-5214-00	.44	.30	.27	2.85	8-32 x .38	2.43	SAE 4	2.50	5/16-24 x .630
15-5217-00	.44	.30	.27	3.09	8-32 x .38	2.67	SAE 4	2.75	5/16-24 x .630
15-5222-00	.50	.38	.33	3.67	10-32 x .45	3.25	SAE 4	3.50	3/8-24 x .630

*WARNING: Actuating Clamp without part loaded will result in permanent damage!

* Mandral diameter C is shipped at MAX condition. Diameter can be turned down to fit workpiece bore.
Diameter should not be machined down below C MIN dimension.

** Expand clamp approximately .002 to .003 over relaxed diameter and machine to fit workpiece bore.

ID Expansion Clamps

Mounting

For proper sealing, mating surface must be flat within 0.003 in. with a maximum 63 µin R_a surface finish.

Model No.	A	B	C	D	E	F	G	H	J	K
Specifications
15-5206-00	10-32 UNF	.281	1.732	1.625	2.193	2.23	1.17	.32	.170	1.63
15-5210-00	1/4-20 UNC	.344	2.000	2.000	2.583	2.62	1.24	.32	.170	1.87
15-5210-01	1/4-20 UNC	.344	2.236	2.000	2.819	2.86	1.48	.32	.170	2.11
15-5214-00	1/4-20 UNC	.344	2.852	2.500	3.318	3.36	1.97	.37	.194	2.43
15-5217-00	1/4-20 UNC	.344	3.088	2.750	3.555	3.59	2.21	.37	.194	2.67
15-5222-00	5/16-18 UNC	.406	3.670	3.500	4.303	4.34	2.74	.43	.221	3.25

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Hydraulic

Hydraulic

ID Expansion Clamps

ID Expansion Clamps

ID Expansion Clamps

ID Expansion Clamps

ID Expansion Clamps

For proper sealing, mating surface must be flat within 0.003 in. with a maximum 63 µin Ra surface finish.

For proper sealing, mating surface must be flat within 0.003 in. with a maximum 63 µin R_a surface finish.