
Overall Thread Thread+Neck Shank Shank Size of Length of
length length length length dia. square square
L ℓ ℓn ℓs Ds K ℓk
(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
HFISP
For Ultra Fast Tapping, Horizontal Use. Low Spiral Fluted Taps for Carbon Steels
Specification
(for through hole)
■Applicable for ultra high speed tapping. Having center
through hole geometry to correspond with inner coolant
Coating supply system, HFISP is suitable for carbon steels and
alloy steels, blind hole use. Effective in horizontal tapping
use.
Recommended Tapping Speeds depending on Materials
(for through hole)
Free cutting and Carbon steel and Medium alloy steel and
High alloy steel
structural steel
IS P
low alloy steel
IS P
heat treated steel
IS P IS P TYPE:1 YAMAWA
20 50 20 50 20 30 20 30
〜 〜 〜 〜
(m/min) (m/min) (m/min) (m/min)
For icon explanation, refer to P.50
Hand Taps
Carbide Taps
Cemented
Segment:1D
L ℓ ℓn ℓs Ds K ℓk No. of
Size Class Code Chamfer Type Stock
(mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes
For Metric Threads
M6 × 1 ISO2X SD6.0MBEDTHZ 2.5P 80 15 30 45 6 4.9 8 3 1 ●
M8 × 1.25
Roll Taps
ISO2X SD8.0NBEDTHZ 2.5P 90 19 35 48 8 6.2 9 3 1 ●
M10 × 1.5 ISO2X SD010OBEDTHZ 2.5P 100 23 39 53 10 8 11 3 1 ●
M10 × 1.25 ISO2X SY010NBEDTHZ 2.5P 100 23 39 53 10 8 11 3 1 ●
M12 × 1.75 ISO2X SY012PBEDTHZ 2.5P 110 26 44 57 12 9 12 3 1 ●
M12 × 1.5 ●
Simple Inspection Tools
Special Thread Taps
ISO2X SY012OBEDTHZ 2.5P 110 26 44 57 12 9 12 3 1
M12 × 1.25 ISO2X SY012NBEDTHZ 2.5P 110 26 44 57 12 9 12 3 1 ●
Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools
DIN
SP-44
95