Обший каталог Yamawa 2016 - 2017 - страница 577

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
CT-PT
Carbide Taps for Taper Pipe Threads, Long (ℓg) Type, for Cast Irons
Specification


(for through hole)
Recommended Tapping Speeds depending on Materials


(for through hole)
Cast irons Ductile cast irons Brass castings
TYPE：1
〜
5 〜
5 〜
5
(m/min) (m/min) (m/min)
For icon explanation, refer to P.50


Hand Taps
g


Segment：1L


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 TCPT02K 2.5P 9.728 55 19 13 8 6 9 4 1 △
Ⅱ △


Roll Taps
PT 1/4-19 TCPT04- 2.5P 13.157 62 28 21 11 9 12 4 1
PT 3/8-19 Ⅱ TCPT06- 2.5P 16.662 65 28 21 14 11 14 4 1 △
PT 1/2-14 Ⅱ TCPT08Q 2.5P 20.955 80 35 25 18 14 17 4 1 △
PT 3/4-14 Ⅱ TCPT12Q 2.5P 26.441 85 35 25 23 17 20 4 1 △
PT 1 -11 Ⅱ TCPT16U 2.5P 33.249 95 45 32 26 21 24 5 1 △


Simple Inspection Tools
Special Thread Taps
Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools


JIS
◎=Standard ○=Semi standard △=Made to order
Pipe-24
For improvement, spec may change without advance notice. 573