Обший каталог Yamawa 2016 - 2017 - страница 314

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)


NPS
Hand Taps for American Parallel Pipe Threads
Specification
(for through hole)


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


Medium carbon steels

5 10 〜

For icon explanation, refer to P.50
Hand Taps


TYPE：1 TYPE：2
Cemented
Carbide Taps


Segment：1G
Roll Taps


L ℓ Ds K ℓk No. of
Size Class Code Chamfer Type
(inch) (inch) (inch) (inch) (inch) flutes
For American Pipe Threads
Y83301
0.437 0.328 1
Y83301BR
Pipe Taps Simple Inspection Tools


NPS 1/8-27 ANSI G 4P 2.125 0.75 0.375 4
Y83302
0.312 0.234 2
Y83302BR
Y83303
NPS 1/4-18 ANSI G 4P 2.437 1.062 0.562 0.421 0.437 4 1
Y83303BR
Y83304
NPS 3/8-18 ANSI G 4P 2.562 1.062 0.7 0.531 0.5 4 1
Y83304BR
Y83305
NPS 1/2-14 ANSI G 4P 3.125 1.375 0.687 0.515 0.625 4 2
Y83305BR
Y83306
Thread Mills


NPS 3/4-14 ANSI G 4P 3.25 1.375 0.906 0.679 0.687 5 2
Y83306BR
Y83307
NPS 1-11.5 ANSI G 4P 3.75 1.75 1.125 0.843 0.812 5 2
Y83307BR
Dies
Center Drills
Centering Tools


ANSI
Pipe-9
310