Обший каталог Yamawa 2016 - 2017 - страница 315

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

L ℓ Ds K ℓk


(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
NPSF
Hand Taps for American Dryseal Parallel Pipe Threads
Specification


(for through hole)
E
Oxide
NPSF 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


Carbide Taps
Cemented
Segment：1G


Roll Taps
L ℓ Ds K ℓk No. of
Size Class Code Chamfer Type
(inch) (inch) (inch) (inch) (inch) flutes
For Dryseal American Pipe Threads
Y83326
0.437 0.328 1
Y83326BR


Simple Inspection Tools Pipe Taps
NPSF 1/8-27 ANSI G 4P 2.125 0.75 0.375 4
Y83327
0.312 0.234 2
Y83327BR
Y83328
NPSF 1/4-18 ANSI G 4P 2.437 1.062 0.562 0.421 0.437 4 1
Y83328BR
NPSF 3/8-18 ANSI G Y83329 4P 2.562 1.062 0.7 0.531 0.5 4 1
Y83330
NPSF 1/2-14 ANSI G 4P 3.125 1.375 0.687 0.515 0.625 4 2
Y83330BR
Y83331
NPSF 3/4-14 ANSI G 4P 3.25 1.375 0.906 0.679 0.687 5 2
Y83331BR
Y83332 Thread Mills
NPSF 1-11.5 ANSI G 4P 3.75 1.75 1.125 0.843 0.812 5 2
Y83332BR
Dies
Center Drills
Centering Tools


ANSI
Pipe-10
311