Обший каталог Yamawa 2016 - 2017 - страница 600

Pipe Tap Series
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


INT-NPT
Interrupted Taps for American Taper Pipe Threads
Specification
(for through hole)


■INT-NPT having low left-hand spiral flutes and having every
other thread ground off, reduces cutting torque. INT-NPT
E is suitable for such sticky materials as stainless steels and
Oxide
NPT 3/4 ～
chrome molybdenum steels.
Recommended Tapping Speeds depending on Materials
(for through hole)


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


TYPE：1 TYPE：2
Cemented
Carbide Taps


g g


Segment：1G
Roll Taps


Basic
Size Class Code Chamfer major dia L ℓ ℓg Ds K ℓk No. of Type Stock
(mm)
(mm) (mm) (mm) (mm) (mm) (mm) flutes
For American Pipe Threads
NPT 1/16-27 ANSI G TINPT01L 3P 7.770 54 17 12 8 6 9 3 1 △
Special Thread Taps
Pipe Taps Simple Inspection Tools


NPT 1/8-27 ANSI G TINPT02L 3P 10.117 55 19 12.05 8 6 9 5 2 △
NPT 1/4-18 ANSI G TINPT04O 3P 13.426 62 28 17.45 11 9 12 5 2 △
NPT 3/8-18 ANSI G TINPT06O 3P 16.866 65 28 17.65 14 11 14 5 2 △
NPT 1/2-14 ANSI G TINPT08Q 3P 20.980 80 35 22.85 18 14 17 5 2 △
NPT 3/4-14 ANSI G TINPT12Q 3P 26.325 85 35 22.95 23 17 20 5 2 △
NPT 1 -11.5 ANSI G TINPT16T 3P 32.934 95 45 27.4 26 21 24 5 2 △
NPT 1 1/4-11.5 ANSI G TINPT20T 3P 41.689 105 45 28.1 32 26 30 5 2 △
NPT 1 1/2-11.5 ANSI G TINPT24T 3P 47.760 110 45 28.4 38 29 32 7 2 △
NPT 2 -11.5 ANSI G TINPT32T 3P 59.797 120 50 28 46 35 38 7 2 △
Thread Mills
Dies
Center Drills
Centering Tools


JIS
Pipe-47 ◎=Standard ○=Semi standard △=Made to order
596 For improvement, spec may change without advance notice.