Обший каталог Yamawa 2016 - 2017 - страница 312

Pipe Tap Overall
length
Thread
length
Shank
dia.
Size of
square
Length of
square

L ℓ Ds K ℓk
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


NPTF
Hand Taps for American Dryseal Taper Pipe Threads
Specification
(for through hole)


E
Oxide
NPTF 3/4 ～
Recommended Tapping Speed depending on Materials
(for through hole)


Medium carbon steels
〜
5
For icon explanation, refer to P.50
Hand Taps


TYPE：１ TYPE：２
Cemented
Carbide Taps


Segment：1G
Roll Taps


L ℓ Projection Ds K ℓk No. of
Size Class Code Chamfer Type
(inch) (inch) (inch) (inch) (inch) (inch) flutes
For Dryseal American Pipe Threads
Y83125
NPTF 1/16-27 ANSI G 3P 2.125 0.687 0.312 0.312 0.234 0.375 4 1
Y83125BR
Pipe Taps Simple Inspection Tools


Y83126
0.437 0.328 1
Y83126BR
NPTF 1/8-27 ANSI G 3P 2.125 0.75 0.312 0.375 4
Y83127
0.312 0.234 2
Y83127BR
Y83128
NPTF 1/4-18 ANSI G 3P 2.437 1.062 0.459 0.562 0.421 0.437 4 1
Y83128BR
Y83129
NPTF 3/8-18 ANSI G 3P 2.562 1.062 0.454 0.7 0.531 0.5 4 1
Y83129BR
Y83130
Thread Mills


NPTF 1/2-14 ANSI G 3P 3.125 1.375 0.579 0.687 0.515 0.625 4 2
Y83130BR
Y83131
NPTF 3/4-14 ANSI G 3P 3.25 1.375 0.565 0.906 0.679 0.687 5 2
Y83131BR
Y83132
Dies


NPTF 1-11.5 ANSI G 3P 3.75 1.75 0.678 1.125 0.843 0.812 5 2
Y83132BR
Y83133
NPTF 1 1/4-11.5 ANSI G 3P 4 1.75 0.686 1.312 0.984 0.937 5 2
Y83133BR
Y83134
NPTF 1 1/2-11.5 ANSI G 3P 4.25 1.75 0.699 1.5 1.125 1 6 2
Center Drills


Y83134BR
Y83135
NPTF 2-11.5 ANSI G 3P 4.5 1.75 0.667 1.875 1.406 1.125 6 2
Y83135BR
Centering Tools


ANSI
Pipe-7
308