Обший каталог Yamawa 2016 - 2017 - страница 605

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
NPSF 3/4 ～
Recommended Tapping Speeds 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
Basic
Size Class Code Chamfer major dia L ℓ Ds K ℓk No. of Type Stock
(mm)
(mm) (mm) (mm) (mm) (mm) flutes
For American Pipe Threads
NPSF 1/16-27 ANSI G TNSF01L 5P 7.770 54 17 8 6 9 4 1 △


Simple Inspection Tools
Special Thread Taps
NPSF 1/8-27 ANSI G TNSF02L 5P 10.117 55 19 8 6 9 4 2 △
NPSF 1/4-18 ANSI G TNSF04O 5P 13.426 62 28 11 9 12 4 2 △
NPSF 3/8-18 ANSI G TNSF06O 5P 16.866 65 28 14 11 14 4 2 △
NPSF 1/2-14 ANSI G TNSF08Q 5P 20.980 80 35 18 14 17 4 2 △
△


Pipe Taps
NPSF 3/4-14 ANSI G TNSF12Q 5P 26.325 85 35 23 17 20 4 2
NPSF 1 -11.5 ANSI G TNSF16T 5P 32.934 95 45 26 21 24 5 2 △
NPSF 1 1/4-11.5 ANSI G TNSF20T 5P 41.689 105 45 32 26 30 5 2 △
NPSF 1 1/2-11.5 ANSI G TNSF24T 5P 47.760 110 45 38 29 32 6 2 △
NPSF 2 -11.5 ANSI G TNSF32T 5P 59.797 120 50 46 35 38 6 2 △
Thread Mills
Dies
Center Drills
Centering Tools


JIS
◎=Standard ○=Semi standard △=Made to order
Pipe-52
For improvement, spec may change without advance notice. 601