Обший каталог Yamawa 2016 - 2017 - страница 571

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
LC-PT
Hand Taps for Taper Pipe Threads, Long (ℓg) Type, for Low Carbon Steels
Specification


(for through hole)
■Tap suitable for such soft steels (Low Carbon Steels) as
SS400 and S25C.
E
Oxide
PT 3/4 ～
Recommended Tapping Speeds depending on Materials


(for through hole)
ow 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 LCPT02K 2.5P 9.728 55 19 13 8 6 9 4 1 △
Ⅱ △


Roll Taps
PT 1/4-19 LCPT04- 2.5P 13.157 62 28 21 11 9 12 4 1
PT 3/8-19 Ⅱ LCPT06- 2.5P 16.662 65 28 21 14 11 14 4 1 △
PT 1/2-14 Ⅱ LCPT08Q 2.5P 20.955 80 35 25 18 14 17 4 1 △
PT 3/4-14 Ⅱ LCPT12Q 2.5P 26.441 85 35 25 23 17 20 4 1 △
PT 1 -11 Ⅱ LCPT16U 2.5P 33.249 95 45 32 26 21 24 5 1 △


Simple Inspection Tools
Special Thread Taps
PT 1 1/4-11 Ⅱ LCPT20U 2.5P 41.910 105 45 32 32 26 30 5 1 △
PT 1 1/2-11 Ⅱ LCPT24U 2.5P 47.803 110 45 32 38 29 32 6 1 △
PT 2 -11 Ⅱ LCPT32U 2.5P 59.614 120 50 35 46 35 38 6 1 △


Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools


JIS
◎=Standard ○=Semi standard △=Made to order
Pipe-18
For improvement, spec may change without advance notice. 567