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Mill-Thread Solid Carbide
UN With internal coolant bore and cutting chamfer Tools for Internal Thread
Thread length: 2xD
Grade
P M K N S H
K20
Pitch TPI
No. of Flutes I
UNC
UNF UNEF
Ordering Code
d D Df
If
L
20 18 16
1/4 5/16
8 4.8 6.8 3 14.6 15.6 64 10 6.0 8.4 3 17.6 18.8 73 12 7.4 10.0 3 21.4 22.7 84
AMT 08048 C14 20UN-C AMT 1006 C17 18UN-C AMT 12074 C21 16UN-C
3/8
Order example: AMT 12074 C21 16UN-C K20 For information about AMT Thread Mills and cutting data see page B12-16
G (55º) BSF, BSP Same Tool for Internal and External Thread
Grade
P M K N S H
MT7
Pitch TPI
No. of Flutes
Standard
Ordering Code
d
D
I
L
MT 0606 C9 28 W MT 0808 C14 19 W MT 1212 D19 14 W MT 1212 D26 14 W MT 1212 C24 11 W MT 1616 D38 11 W MT 2020 E47 11 W
28 19 14 14 11 11 11
G1/16-G1/8 G1/4-3/8 G1/2-7/8 G1/2-7/8
6 8
6.0 8.0
3 3 4 4 3 4 5
9.5
58 64 84 84 84
14.0 19.0 26.3 24.2
12 12 12 16 20
12.0 12.0 12.0 16.0 20.0
G 1 G 1 G 1
38.1 105 47.3 105
Order example: MT 1212 D19 14 W MT7
For small thread mills see pages B09-7, B09-14 and B11-5 For thread mills with coolant see next page
First choice
Alternative
B08-14
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