UNF
MACHINE TAPS for blind holes 15° spiral flutes
ASME B1.1
A34 BRIGHT
A34 TiN
A34 3B BRIGHT
DIN 2184-1 ≤ Ø 1/4”
a
L 2
L 3
L 1
DIN 2184-1 ≥ Ø 5/16”
a
L 2
L 1
APPLICATION RANGE - CUTTING SPEED m/min
A34 TiN
A34 3B BRIGHT
ISO MG A34 BRIGHT
P.1 P.2 P.3 P.4 P.5
18-20 15-18 12-15 10-12 12-15 18-20 15-18 15-18 12-15
30-35 25-30 20-25 15-20
18-20 15-18 12-15 10-12 12-15 18-20 15-18 15-18 12-15
l
l
l
l
l
l
P
l
l
l
l
l
l
5-10
l
K
20-25
K.2 N.1
l
l
l
l
l
25-30
N.2-3
l
l
l
N
N.5 N.6
l
l
20-25
l
l
l
P
Ød 1
L 1
L 2
L 3
Ød 2
a z
A34 BRIGHT A…0342A1MA0
A34 TiN A…0342A1MD0
A34 3B BRIGHT A…0342A1NA0
UNF
js 16
h9
h12
[TPI]
[mm]
[mm]
[mm]
[mm]
[mm]
[mm]
[-]
[mm]
Nr.2 Nr.3 Nr.4 Nr.5 Nr.6 Nr.8
64 2,184 45 56 2,515 50
8 9
13 15
2,8 2,1 3 1,85 ...N0264... 2,8 2,1 3 2,15 ...N0356...
...N0264... ...N0356... ...N0448... ...N0544... ...N0640... ...N0836... ...N1032... ...N1228... ...NA140... ...NB516... ...NC380... ...ND716... ...NE120... ...NF916... ...NG580... ...NH340... ...NL780... ...NM100...
48 2,845 56 10 18 44 3,175 56 10 18 40 3,505 56 11 20 36 4,166 63 12 21 32 4,826 70 14 24,5 28 5,486 80 16 26,5
3,5 2,7 3 2,4 3,5 2,7 3 2,7
...N0448... ...N0544...
4
3 3 2,95 ...N0640...
...N0640... ...N0836... ...N1032... ...N1228... ...NA140... ...NB516... ...NC380... ...ND716... ...NE120... ...NF916... ...NG580... ...NH340...
4,5 3,4 3 3,5
...N0836... ...N1032... ...N1228... ...NA140... ...NB516... ...NC380... ...ND716...
Nr.10 Nr.12
6 6 7 6 7 8 9
4,9 3 4,1 4,9 3 4,6 5,5 3 5,5 4,9 3 6,9 5,5 3 8,5 6,2 3 9,9
1/4”
28 6,35
80 16 30
5/16”
24 7,938 90 18 24 9,525 90 18 20 11,113 100 20 20 12,7 100 22 18 14,288 100 22 18 15,875 100 22 16 19,05 110 25 14 22,225 125 25 12 25,4 140 28 12 28,575 150 28 12 31,75 150 28 12 34,925 170 30 12 38,1 170 30
- - - - - - - - - - - - -
3/8”
7/16”
1/2”
7 3 11,5 ...NE120... 9 3 12,9 ...NF916... 9 3 14,5 ...NG580...
9/16”
11 12
5/8” 3/4” 7/8”
14 11 4 17,5 ...NH340... 18 14,5 4 20,4 ...NL780... 18 14,5 4 23,25 ...NM100... 22 18 4 26,5 ...NN118... 22 18 4 29,5 ...NP114... 28 22 5 32,75 ...NQ138...
1”
1 1/8” 1 1/4” 1 3/8” 1 1/2”
28 22 5 36
...NR112...
112
P.32
Order example for A34 BRIGHT Nr.2-64 UNF --> AN02640342A1MA0
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