
Thread Milling Tools
NPT
INTERNAL / EXTERNAL
ANSI/ASME B 1.20.1-1983
NPT NUT
30 30
90 1 47
NPT SCREW
STRAIGHT FLUTES
THREAD SIZE PITCH ORDERING L L1 D1 D2 NO. OF
FLUTES
TPI CODE
1 1/16"-1/8" 27 TMX06059L09 27NPT 57 9.8 6 5.9 3
2 1/4"-3/8" 18 TMX10099L16 18NPT 73 16.2 10 9.9 4
3 1/2" 14 TMX12119L20 14NPT 83 20.8 12 11.9 4
4 1"-2" 11.5 TMX20199L29 11.5NPT 105 29.7 20 19.9 4
5 2 1/2"-6" 8 TMX20199L38 8NPT 105 38.1 20 19.9 4
6
7
8
9
NPTF
INTERNAL / EXTERNAL
10
ANSI B 1.20.3-1976
11
NPTF NUT
30 30
12
13
14 90 1 47
NPTF SCREW
15
STRAIGHT FLUTES
16
THREAD SIZE PITCH ORDERING L L1 D1 D2 NO. OF
17 FLUTES
TPI CODE
18
19
1 1/16"-1/8" 27 TMX06059L09 27NPTF 57 9.9 6 5.9 3
2
20 1/4"-3/8" 18 TMX10099L16 18NPTF 73 16.2 10 9.9 4
21
3 1/2" 14 TMX12119L20 14NPTF 83 20.8 12 11.9 4
4
22 1"-2" 11.5 TMX20199L29 11.5NPTF 105 29.7 20 19.9 4
5 2 1/2"-6" 8 TMX20199L38 8NPTF 105 38.1 20 19.9 4
6
7 25
8