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END MILL HOLDERS
Collis
A B C
Number
Description
Bore Proj. Dia. Wrench
74270
CV40MC .750 X 3.70 .75 3.70 2.37 64705
74271
CV40MC 1.250 X 4.52 1.25 4.52 2.94 64706
74273
CV50MC 1.250 X 4.45 1.25 4.45 2.94 64706
Collis
A B
Number
Description
Bore O.A.L.
74285
.750 MC COLLET 1/4"
.250 2.06
74286
.750 MC COLLET 5/16"
.312 2.06
74287
.750 MC COLLET 3/8"
.375 2.06
74289
.750 MC COLLET 1/2"
.500 2.06
74284
.750 MC COLLET 9/16"
.562 2.06
74290
.750 MC COLLET 5/8"
.625 2.06
74291
1.25 MC COLLET 1/4"
.250 2.88
74292
1.25 MC COLLET 5/16"
.312 2.88
74293
1.25 MC COLLET 3/8"
.375 2.88
74295
1.25 MC COLLET 1/2"
.500 2.88
74296
1.25 MC COLLET 5/8"
.625 2.88
74297
1.25 MC COLLET 3/4"
.750 2.88
74298
1.25 MC COLLET 7/8"
.875 2.88
74299
1.25 MC COLLET 1"
1.00 2.88
Milling Chuck Holders
Milling Chuck Collets
Collets
Tapered Collets
Straight Collets
Collet moves
Collet stays. Depth
when tightened.
adjustment is not altered.
With Straight
Collets, an end
mill is held
strongly and
evenly by the
entire length of
its shank.
•
Extreme rigidity.
•
Axial accuracy: Concentricity < .0002"
_
•
Straight bushings will grip the end mill evenly across the end mill shank.
This provides a gripping force twenty times greater than a standard
tapered collet.
•
Flats and end mill shank depressions will not distort the milling chuck
bore.
•
Tightening torque of 22 FT/LB’s is minimal for a tremendous gripping
force as compared to a tapered collet chuck.
•
The collapse range is .0015" below nominal.
•
Holders has coolant thru capabilities
The only AT3 certified
toolholder available.
B
A
.105
•
Retention knob separate item – see page 121.
CV SHANK