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Ingersoll United States
Larger Sizes – Series Y 8:1 Drills
Features
Five additional drill bodies to support drill sizes up through 1.020" diameter
The QWIK-TWIST 8:1 drills can be used for blind and through-hole applications.
Eliminate the re-sharpening “hassle” with solid carbide drills.
Uses standard replaceable points within the drill range, 102 standard sizes available, in general purpose and cast iron geometry.
Drill point change on the machine, absolute minimal down time.
With QWIK-TWIST 8:1 drills, the user may use a range of drill points, in a .040" diameter range, on the same drill body. That's 10 standard sizes! A huge price advantage when compared to 8:1 solid carbide drills.

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D1 Nominal Diameter
New Body Number
8:1
L1
DOC
L2
Ext.
L3
Overall
D2
Shank Dia.
D3
Flange Dia.

Pocket Size

Clamping Key

Optional Torque Key
Inch
mm
0.8268
0.8622
21.0
21.9
YD2100168C8R01
6.61
7.72
9.93
1.000
1.26
21
KDCM-21
TKDCM-21
0.8661
0.9016
22.0
22.9
YD2200176C8R01
6.93
8.07
10.28
1.000
1.26
22
KDCM-22
TKDCM-22
0.9055
0.9409
23.0
23.9
YD2300184C8R01
7.24
8.46
10.67
1.000
1.26
23
KDCM-23
TKDCM-23
0.9449
0.9803
24.0
24.9
YD2400192C8R01
7.56
8.83
11.04
1.000
1.26
24
KDCM-24
TKDCM-24
0.9843
1.0197
25.0
25.9
YD2500200C8R01
7.87
9.20
11.41
1.000
1.26
25
KDCM-25
TKDCM-25
See Hole Making Catalog CAT-002 (7-02), pages 20-24, for a full listing of available replaceable drill points.
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