Обший каталог Yamawa 2016 - 2017 - страница 306

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)


ZELX SS NPT
Taps for American Taper Pipe Threads
Specification
(for through hole)


■Suitable for tapping stainless steels, chrome steels and
chrome molybdenum steels.
E
Oxide
NPT 3/4 ～
Recommended Tapping Speed depending on Materials
(for through hole)


ow carbon steels Alloy steels Stainless steels

5 5 5
For icon explanation, refer to P.50
Hand Taps


TYPE：１ TYPE：２
Cemented
Carbide Taps


Segment：1H
Roll Taps


L ℓ Projection Ds K ℓk No. of
Size Class Code Chamfer Type
(inch) (inch) (inch) (inch) (inch) (inch) flutes
For American Pipe Threads
NPT 1/16-27 ANSI G Y83640 2.5P 2.125 0.687 0.312 0.312 0.234 0.375 4 1
Y83641 0.437 0.328 1
Pipe Taps Simple Inspection Tools


NPT 1/8-27 ANSI G 2.5P 2.125 0.75 0.312 0.375 4
Y83642 0.312 0.234 2
NPT 1/4-18 ANSI G Y83643 2.5P 2.437 1.062 0.459 0.562 0.421 0.437 4 1
NPT 3/8-18 ANSI G Y83644 2.5P 2.562 1.062 0.454 0.7 0.531 0.5 4 1
NPT 1/2-14 ANSI G Y83645 2.5P 3.125 1.375 0.579 0.687 0.515 0.625 4 2
NPT 3/4-14 ANSI G Y83646 2.5P 3.25 1.375 0.565 0.906 0.679 0.687 4 2
NPT 1-11.5 ANSI G Y83647 2.5P 3.75 1.75 0.678 1.125 0.843 0.812 4 2
Thread Mills
Dies
Center Drills
Centering Tools


ANSI
Pipe-1
302