
Overall Thread Position on Shank Size of Length of
length length basic dia. dia. square square
L ℓ ℓg Ds K ℓk
(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
SU-PT
Hand Taps for Taper Pipe Threads, Long (ℓg) Type, for Stainless Steels
Specification
(for through hole)
■SU-PT is the hand tap suitable for stainless steels which
tend to work-harden and sticky, as well as chrome steels
E and molybdenum steels.
Oxide
PT 3/4 ~
Recommended Tapping Speeds depending on Materials
(for through hole)
ow carbon steels Stainless steels
TYPE:1
〜
5 〜
5
For icon explanation, refer to P.50
Hand Taps
g
Segment:1G
Carbide Taps
Cemented
Basic
L ℓ ℓg Ds K ℓk No. of
Size Class Code Chamfer major dia (mm) (mm) (mm) (mm) (mm) (mm) flutes Type Stock
(mm)
For Pipe Threads
PT 1/8-28 Ⅱ TU2T02K 2.5P 9.728 55 19 13 8 6 9 4 1 △
Ⅱ △
Roll Taps
PT 1/4-19 TU2T04- 2.5P 13.157 62 28 21 11 9 12 4 1
PT 3/8-19 Ⅱ TU2T06- 2.5P 16.662 65 28 21 14 11 14 4 1 △
PT 1/2-14 Ⅱ TU2T08Q 2.5P 20.955 80 35 25 18 14 17 4 1 △
PT 3/4-14 Ⅱ TU2T12Q 2.5P 26.441 85 35 25 23 17 20 4 1 △
PT 1 -11 Ⅱ TU2T16U 2.5P 33.249 95 45 32 26 21 24 4 1 △
Simple Inspection Tools
Special Thread Taps
PT 1 1/4-11 Ⅱ TU2T20U 2.5P 41.910 105 45 32 32 26 30 5 1 △
PT 1 1/2-11 Ⅱ TU2T24U 2.5P 47.803 110 45 32 38 29 32 6 1 △
Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools
JIS
◎=Standard ○=Semi standard △=Made to order
Pipe-20
For improvement, spec may change without advance notice. 569