Обший каталог Yamawa 2016 - 2017 - страница 557

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
PT-X
X Series Hand Taps for Taper Pipe Threads, Short (ℓg) Type
Specification


(for through hole)
■PT-X Hand Tap, adopting new tap blank, ensures properly
long projection length of the tool. Having short thread
E length, this tap is suitable for tapping of such machine
components as have the limit in their thickness.
Recommended Tapping Speeds depending on Materials


(for through hole)
Medium carbon steels
〜
5
For icon explanation, refer to P.50


Hand Taps
TYPE：1 TYPE：2


Carbide Taps
Cemented
g
g


Segment：1G


Roll Taps
Basic
Size Class Code Chamfer major dia L ℓ ℓg ℓs Ds K ℓk No. of Type Stock
(mm)
(mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes
For Pipe Threads
PT 1/16-28 Ⅱ THX2T01K-8 2.5P 7.723 75 13.5 10.5 47 8 6 9 4 1 ○


Simple Inspection Tools
Special Thread Taps
PT 1/8-28 Ⅱ THX2T02K 2.5P 9.728 75 13.5 10.5 48 8 6 9 4 2 ○
PT 1/4-19 Ⅱ THX2T04- 2.5P 13.157 85 16.5 12.5 54 11 9 12 4 2 ○
PT 3/8-19 Ⅱ THX2T06- 2.5P 16.662 95 18 14 60 14 11 14 4 2 ○
PT 1/2-14 Ⅱ THX2T08Q 2.5P 20.955 105 22.5 17 64 18 14 17 4 2 ○


Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools


JIS
◎=Standard ○=Semi standard △=Made to order
Pipe-4
For improvement, spec may change without advance notice. 553