Обший каталог Yamawa 2016 - 2017 - страница 559

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
S-PT LH
Hand Taps for Taper Pipe Threads, Short (ℓg) Type, for LH Threads
Specification


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


(for through hole)
Medium carbon steels
TYPE：1
〜
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 TSPT02K--L 2.5P 9.728 55 16.5 10.5 8 6 9 4 1 △
Ⅱ △


Roll Taps
PT 1/4-19 TSPT04---L 2.5P 13.157 62 19.5 12.5 11 9 12 4 1
PT 3/8-19 Ⅱ TSPT06---L 2.5P 16.662 65 21 14 14 11 14 4 1 △
PT 1/2-14 Ⅱ TSPT08Q--L 2.5P 20.955 80 27 17 18 14 17 4 1 △
PT 3/4-14 Ⅱ TSPT12Q--L 2.5P 26.441 85 29 19 23 17 20 4 1 △
PT 1 -11 Ⅱ TSPT16U--L 2.5P 33.249 95 35 22 26 21 24 5 1 △


Simple Inspection Tools
Special Thread Taps
PT 1 1/4-11 Ⅱ TSPT20U--L 2.5P 41.910 105 37.5 24.5 32 26 30 5 1 △
PT 1 1/2-11 Ⅱ TSPT24U--L 2.5P 47.803 110 38.5 25.5 38 29 32 6 1 △
PT 2 -11 Ⅱ TSPT32U--L 2.5P 59.614 120 42.5 27.5 46 35 38 6 1 △


Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools


JIS
◎=Standard ○=Semi standard △=Made to order
Pipe-6
For improvement, spec may change without advance notice. 555