NPTF ASME B1.20.3
MACHINE TAPS for conical blind holes Straight flutes
A6 F BRIGHT
NORM VERGNANO
a
L 2
L 1
APPLICATION RANGE - CUTTING SPEED m/min
ISO MG A6 F BRIGHT
P.2 P.3 P.4
10-15 10-12
l
P
l
8-10
l
K
10-12
K.2
l
P
Ød 1
L 1
L 2
L 3
Ød 2
a z
A6 F BRIGHT A…0062H1PA0
NPTF
js 16
h9
h12
[TPI]
[mm]
[mm]
[mm]
[mm]
[mm]
[mm]
[-]
[mm]
1/16”
27 7,938 63 12 27 10,287 63 12 18 13,716 63 18 18 17,145 70 18 14 21,336 80 23 14 26,67 100 24 11,5 33,401 110 30 11,5 42,164 125 32 11,5 48,26 140 32 11,5 60,325 160 34
- - - - - - - - - -
6 7
4,9 4 6,15 (a) 5,5 4 8,5 (a) 9 4 11 (a) 9 4 14,5 (a)
...Z0116... ...Z0180... ...Z0140... ...Z0380... ...Z0120... ...Z0340... ...Z1000... ...Z1140... ...Z1120... ...Z2000...
1/8” 1/4” 3/8” 1/2” 3/4”
11 12
16 12 4 17,8 (a) 20 16 5 23 (a) 25 20 5 29 (a) 32 24 5 37,8 (a) 36 29 6 43,8 (a) 45 35 6 56 (a)
1”
1 1/4” 1 1/2”
2”
(a) = Cylindrical hole (see page 264)
132
P.40
Order example for A6 F BRIGHT 1/16”NPTF --> AZ01160062H1PA0
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