Обший каталог Yamawa 2016 - 2017 - страница 276

Hand Tap Overall
length
Thread
length
Thread+Neck
length
Shank
length
Shank
dia.
Size of
square
Length of
square

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


EH-HT
Hand Taps for Hard-to-Machine Materials
Specification
(for through hole)


■Suitable for hard steels of 35 ～ 45HRC, such as forgings
and thermal refined steels of high carbon steels and alloy
steels, and die steels.

Recommended Tapping Speed depending on Materials
(for through hole)


Thermal re ned steels Tool steels
TYPE：1
〜
5 〜
5
35～45HRC
For icon explanation, refer to P.50
Hand Taps


TYPE：2 TYPE：3
Cemented
Carbide Taps Roll Taps


Segment：1B
L ℓ ℓn ℓs Ds K ℓk No. of
Size Class Code Chamfer Type
flutes
Pipe Taps Simple Inspection Tools


(inch) (inch) (inch) (inch) (inch) (inch) (inch)
For Metric threads
M5 × 0.8 D5 TS5.0K5DCB5 5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 1
M6 × 1 D6 TS6.0M6DCB5 5P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 3 1
M8 × 1.25 D6 TS8.0N6DCB5 5P 3.543 0.748 1.382 1.831 0.318 0.238 0.375 4 2
M8 × 1 D6 TS8.0M6DCB5 5P 3.543 0.748 1.382 1.831 0.318 0.238 0.375 4 2
M10 × 1.5 D7 TS010O7DCB5 5P 3.937 0.906 - 2.008 0.323 0.242 0.406 4 3
M10 × 1.25 D6 TS010N6DCB5 5P 3.937 0.906 - 2.008 0.323 0.242 0.406 4 3
M12 × 1.75 D7 TS012P7DCB5 5P 4.331 1.024 - 2.205 0.367 0.275 0.437 4 3
Thread Mills
Dies
Center Drills
Centering Tools


ANSI
HT-21
272