UNC
MACHINE TAPS for blind and through holes Straight flutes / for cast iron
ASME B1.1
A49 NITRIDED
A49 TiCN
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
A49 TiCN
ISO MG A49 NITRIDED
K
K.1 N.4 N.7
15-20 15-20 15-20 20-25
l 40-45 l 40-45 l 40-45
l
l
N
l
45-50
N.9-10
l
l
P
Ød 1
L 1
L 2
L 3
Ød 2
a z
A49 NITRIDED A…0492A1MC0
A49 TiCN A…0492A1ME0
UNC
js 16
h9
h12
[TPI]
[mm]
[mm]
[mm]
[mm]
[mm]
[mm]
[-]
[mm]
Nr.2 Nr.3 Nr.4 Nr.5 Nr.6 Nr.8
56 2,184 45 48 2,515 50
9 9
13 15
2,8 2,1 3 1,85 ...H0256...
...H0256... ...H0348... ...H0440... ...H0540... ...H0632... ...H0832... ...H1024... ...H1224... ...HA140... ...HB516... ...HC380... ...HD716... ...HE120... ...HF916... ...HG580... ...HH340... ...HL780... ...HM100...
2,8 2,1 3 2,1
...H0348...
40 2,845 56 10 18 40 3,175 56 10 18 32 3,505 56 11 20 32 4,166 63 13 22 24 4,826 70 16 26,5 24 5,486 80 16 26,5
3,5 2,7 3 2,35 ...H0440... 3,5 2,7 3 2,65 ...H0540...
4
3 3 2,85 ...H0632...
4,5 3,4 3 3,5
...H0832... ...H1024... ...H1224... ...HA140... ...HB516... ...HC380... ...HD716...
Nr.10 Nr.12
6 6 7 6 7 8 9
4,9 3 3,9 4,9 3 4,5 5,5 3 5,1 4,9 4 6,6
1/4”
20 6,35
80 17 30
5/16”
18 7,938 90 18 16 9,525 100 22 14 11,113 100 24 13 12,7 110 26 12 14,288 110 28 11 15,875 110 28 10 19,05 125 32 9 22,225 140 32
- - - - - - - - - - - - -
3/8”
5,5 4
8
7/16”
6,2 4 9,4
1/2”
7 4 10,8 ...HE120... 9 4 12,2 ...HF916... 9 4 13,5 ...HG580...
9/16”
11 12
5/8” 3/4” 7/8”
14 11 4 16,5 ...HH340... 18 14,5 4 19,5 ...HL780... 18 14,5 5 22,25 ...HM100...
1”
8
25,4 160 36
1 1/8” 1 1/4” 1 3/8” 1 1/2”
7 28,575 180 40 7 31,75 180 40 6 34,925 200 50
22 18 5 25 22 18 5 28
...HN118... ...HP114...
28 22 5 30,75 ...HQ138...
6
38,1 200 50
28 22 5 34
...HR112...
101
P.27
Order example for A49 NITRIDED Nr.2-56 UNC --> AH02560492A1MC0
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