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


SP-NPT
Spiral Fluted Taps for American Taper Pipe Threads
Specification
(for through hole)


E
NPT 3/4 ~
Recommended Tapping Speeds depending on Materials
(for through hole)


ow carbon 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 SNPT01L 2.5P 7.770 54 17 12 8 6 9 3 1 △
Special Thread Taps
Pipe Taps Simple Inspection Tools


NPT 1/8-27 ANSI G SNPT02L 2.5P 10.117 55 19 12.05 8 6 9 3 2 △
NPT 1/4-18 ANSI G SNPT04O 2.5P 13.426 62 28 17.45 11 9 12 3 2 △
NPT 3/8-18 ANSI G SNPT06O 2.5P 16.866 65 28 17.65 14 11 14 3 2 △
NPT 1/2-14 ANSI G SNPT08Q 2.5P 20.980 80 35 22.85 18 14 17 4 2 △
NPT 3/4-14 ANSI G SNPT12Q 2.5P 26.325 85 35 22.95 23 17 20 4 2 △
NPT 1 -11.5 ANSI G SNPT16T 2.5P 32.934 95 45 27.4 26 21 24 4 2 △
Thread Mills
Dies
Center Drills
Centering Tools


JIS
Pipe-45 ◎=Standard ○=Semi standard △=Made to order
594 For improvement, spec may change without advance notice.