Обший каталог Yamawa 2016 - 2017 - страница 578

Pipe Tap Series Overall
length
Thread
length
Position on
basic dia.
Shank
dia.
Size of
square
Length of
square

L ℓ ℓg Ds K ℓk
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


CT-S-PT
Carbide Taps for Taper Pipe Threads, Short (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
Cemented
Carbide Taps


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 TCST02K 2.5P 9.728 55 16.5 10.5 8 6 9 4 1 △
Ⅱ △
Roll Taps


PT 1/4-19 TCST04- 2.5P 13.157 62 19.5 12.5 11 9 12 4 1
PT 3/8-19 Ⅱ TCST06- 2.5P 16.662 65 21 14 14 11 14 4 1 △
PT 1/2-14 Ⅱ TCST08Q 2.5P 20.955 80 27 17 18 14 17 4 1 △
Special Thread Taps
Pipe Taps Simple Inspection Tools Thread Mills
Dies
Center Drills
Centering Tools


JIS
Pipe-25 ◎=Standard ○=Semi standard △=Made to order
574 For improvement, spec may change without advance notice.