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3977 Emerald Dr., Kalamazoo, MI 49001
MK3 3-Jaw Self-Contained Air Power Chucks & Accessories
Untitled Document
  • One-year warranty
  • Precision manufactured to fit types A and D spindles and adapter mounting
  • Repetitive gripping within .001" TIR
  • Safe, Chuck operates independently of air supply when gripping
  • No separate actuating cylinder
  • No draw tube to restrict thru-hole
  • Sizes 61/2", 8", 10", 12", and 14"
  • Suitable for chucking or barwork
  • Less overhang. Lighter in weight
  • Minimum maintenance
  • Quick, simple Lever or Foot Pedal Operation
  • Easy installation
  • Optional top jaws
  • 1/16" x 90° serrated master jaws standard with T-nut

See complete product details in our latest catalog >>

See our MK3 Accessories and Installation information below

 

 

Table Test

MK3 3-Jaw Self-Contained Air Power Chucks
  Type D Spindles Type A Spindles
Chuck Size Adapter Mount Model No. Spindle Size 3-Jaw Model No. Spindle Size 3-Jaw Model No.
6-1⁄2" 9760-01710 D-39762-21710--
D-49762-31710--
D-59762-41710A-59761-31710
D-69762-51710A-6-
8" 9760-02110 D-49762-32110--
D-59762-42110A-59761-32110
D-69762-52110A-69761-42110
10" 9760-02610 D-59762-42610--
D-69762-52610A-69761-42610
D-89762-62610A-89761-52610
12" 9760-03210 D-89762-63210A-89761-53210
D-119762-73210A-119761-63210
14" 9760-03510 D-89762-63510A-89761-53510
D-119762-73510A-119761-63510
Table Mount, “L” Type Mounts and Special Mounts available upon request.

Table Test

Dimensional and Technical Data (in inch)
Chuck SizeA BCDEF Mtg Hole 6-Hole B.C. Wt. Lbs Max rpm* Jaw Travel Ext. Gripping Range Std. Hard Jaws Int. Gripping Range Std. Hard JawsForce**
6-1⁄2 6.5 9.45 5.06 1.5 4.921 0.24 M10 5.91 50 3000 0.18 .63 to 7.09 2.80 to 7.80 6,930
87.8710.635.162.056.1020.24M107.096825000.18.98 to 8.623.58 to 9.5810,230
10 9.84 12.2 5.73 2.56 7.283 0.24 M10 8.27 100 2000 0.197 1.22 to 10.71 4.45 to 11.39 15,180
12-1⁄212.413.985.793.548.8580.26M109.8414415000.1971.57 to 13.355.31 to 14.6918,080
14 13.78 15.35 7.28 5.59 10 0.26 M12 11 200 1300 0.236 3.50 to 14.60 7.30 to 15.90 18,960
*Max. RPM at 85 PSI with standard hard top jaws. Consult factory for increased RPM rating.
** Total Gripping Force (lbs) at 85 PSI

 

 

Table Test

Lever Control Unit - Part Number 1157-12800
Foot Pedal Control Unit - Part Number 1157-12801 (Not Shown)

This unit is essential in order to operate MK3 Self-Contained Power Chucks. It is designed to be interlocked with the machine spindle so that the chuck cannot be actuated while the spindle is under power. Care must be taken not to actuate the chuck while the spindle is decelerating. Units are supplied complete with pressure gage, pressure regulator, oil mist lubricator, air filter and lines with fittings. Unit is operated by air and 110 volt/60 cycle (24 volt DC on request).

Top Jaws for MK3 Self-Contained Chucks — 1/16" x 90º Serrations


Type 611 - Hardened and ground reversible jaws with serrated gripping faces. (Supplied in sets of 3 for 3 jaw chucks only)
Type 612 - Soft blank jaws, case hardening quality steel. (Supplied as single units only)
Dimensional Data
Chuck Size Jaw Type Part NumberABCDF Bolt Size Step Height
6-1⁄2"6118130-17611 2.56" 1.56" 1.18" .475" .67"M8 .39"
6-1⁄2"6128140-17512 2.75" 1.50" 1.25" .475" .787"M8-
8"/10"6118130-21611 3.00" 1.97" 1.57" .670" .75"M12 .47"
8"/10"6122860-21512 3.50" 2.00" 1.50" .670" 1.00"M12-
12"/14"6118130-31611 4.92" "2.36" 2.36" .830" 1.25"M16 .55"
12"/14"6122860-32512 4.50" 2.50" 2.00" .830" 1.25"M16-