MHF Series 4-Jaw Mega-Bore Power Chuck

Price $5,384.50 - $7,287.50
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Includes:
Mounting Bolts; Blank Drawnut; Soft Top Jaws; Master Jaws; T-Nuts; Handle
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SPEC


  MHT-208 MHT-210 MHT-212
Thru Hole Dia.
[mm]
66 82 103
Grip Dia. Max
[mm]
210 254 315
Grip Dia. Min
[mm]
23 30 54
Jaw Stroke Dia.
[mm]
7.4 8.8 10.6
Plunger Stroke
[mm]
16 19 23
Max. Permissible Input Force
[kN(kgf)]
23.5(2397) 32.5(3306) 36.7(3742)
Max. Static Gripping Force
[kN(kgf)]
57.9(5914) 84(8530) 96(9789)
Max R.P.M
[min-¹]
5000 4500 3000
Weight
[kg]
21.7 32 55.3
Moment of Inertia
[N·m2(kg·m²)]
0.57 0.329 0.808
Operating Cylinder

SD-17568 SD-18582 SD-21510
Max. Hydraulic Pressure
[MPa(kgf/cm²)]
1.59(16.3) 1.86(19) 1.57(16.0)
Operating Hard Jaw
[MPa(kgf/cm²)]
HBF08A1 HBF10A1 HBF12A1
Product Drawings
PDF
CAD
3D
PDF
CAD
3D
PDF
CAD
3D

※ Product specifications can be changed without notice for product performance.

Application:

The MHF-208 is a 4-jaw wedge-style mega-bore chuck designed for high-speed, high-accuracy turning applications. Optimized for bar work, shaft components, and through-hole machining, the MHF Series offers versatility across various industries, including automotive, aerospace, and general machining.

Technical Features:

The MHF-208 delivers consistent clamping with minimal deformation—ideal for demanding tolerance requirements. The chuck features a jaw stroke of up to 7.4mm, a maximum gripping force of 57.9kN, and supports spindle speeds up to 5,000 RPM. Its large through-hole design allows for efficient bar feeding and part handling, while the precision-ground internals and robust construction ensure long-term accuracy and durability. Compatible with standard rotary hydraulic cylinders, the MHF-208 integrates easily into most CNC lathe setups.