OK-Vise® Hydraulic Actuation Kits

Compatible with B and D series OK Vise® clamps
Produces repeatable and consistent clamping forces
Allows users to actuate multiple clamps simultaneously
Single acting, spring return
Kits include hollow rod cylinder, clamp cover, and mounting hardware
OK Vise clamps are sold separately

Part Drawings

Click the Part Number in below chart
for Price and Stock Check.

Part Number	60420, 60421	60422, 60423, 60425, 60426	60427,60428,60429, 60431, 60432
Cylinder Stroke (in)	.24	.24	.31
Operating Volume (cu. In.)	.3	.3	.7
Effective Piston Area (sq. in.)	.96	.96	1.9
Min. Oper. Pressure (psi)	100	100	100
Max Oper. Pressure (psi)	3,500	5,000	3,500
Max Cylinder Force (lbs)	3,360	4,800	6,650
Max OK Vise Clamp Force (lbs)	2,000	3,160	4,600

Part No.

Clamp Size

Fixture Plate Thk. (Min.)

Fixture Plate Thk. (Max)

D**

Port

Weight (lbs)

60420

0.75

1.00

M8 X 1.25

1.94

1.89

2.40

0.75

0.39

0.88

0.78

7/16-20

1.2

60421

1.03

1.38

M8 X 1.25

1.94

1.89

2.51

0.75

0.39

0.88

0.78

7/16-20

1.2

60422

0.75

1.25

M12 X 1.75

1.94

1.89

2.63

0.75

0.39

1.44

1.11

7/16-20

2.9

60423

1.25

1.65

M12 X 1.75

1.94

1.89

2.52

0.75

0.39

1.44

1.11

7/16-20

2.9

60425

0.75

1.25

1/2-13

1.94

1.89

2.69

0.75

0.39

1.44

1.11

7/16-20

2.9

60426

1.25

2.00

1/2-13

1.94

1.89

2.94

0.75

0.39

1.44

1.11

7/16-20

2.9

60427

0.75

0.86

M12 X 1.75

2.50

2.28

2.62

0.86

0.38

1.44

1.11

9/16-18

2.9

60428

0.88

1.25

M12 X 1.75

2.50

2.28

2.89

0.86

0.38

1.44

1.11

9/16-18

2.9

60429

1.26

1.65

M12 X 1.75

2.50

2.28

2.90

0.86

0.38

1.44

1.11

9/16-18

2.9

60431

0.75

1.06

1/2-13

2.50

2.28

2.94

0.86

0.38

1.44

1.11

9/16-18

2.9

60432

1.06

1.75

1/2-13

2.50

2.28

3.38

0.86

0.38

1.44

1.11

9/16-18

2.9

Mounting Dimensions

Part Number	A	B	C	D	E	F	G	H	I
60420	.344	.221	.340	.470	.812	6-32	5/16	.300	.812
60421	.344	.221	.340	.720	.812	6-32	5/16	.300	.812
60422	.500	.221	.340	.470	.812	8-32	5/16	.500	1.109
60423	.500	.221	.340	.970	.812	8-32	5/16	.500	1.109
60426	.530	.221	.340	.970	.812	8-32	5/16	.500	1.109
60427	.500	.221	.340	.470	1.109	8-32	5/16	.500	1.109
60425	.530	.221	.340	.470	.812	8-32	5/16	.500	1.109
60428	.500	.221	.340	.595	1.109	8-32	5/16	.500	1.109
60429	.500	.221	.340	.970	1.109	8-32	5/16	.500	1.109
60431	.530	.221	.340	.470	1.109	8-32	5/16	.500	1.109
60432	.530	.221	.340	.720	1.109	8-32	5/16	.500	1.109

OK-Vise® Hydraulic Actuation Kits

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