
Overall Chamfer + Thread Thread+Neck Shank Shank Size of Length of
length full thread length length length dia. square square
L ℓt ℓ ℓn ℓs Ds K ℓk
(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
SP(Coating)
Spiral Fluted Taps, Coated
Specification
(for through hole)
E Coating
~ M2.6
Recommended Tapping Speeds depending on Materials
(for through hole)
Free cutting and Carbon steel and Medium alloy steel and
High alloy steel
structural steel low alloy steel heat treated steel
IS P IS P IS P IS P
10 20 10 20 10 20 10 20
〜 〜 〜 〜
(m/min) (m/min) (m/min) (m/min)
For icon explanation, refer to P.50
Hand Taps
TYPE:1 DIN371 TYPE:2 DIN371
Carbide Taps
Cemented
Roll Taps
TYPE:3 DIN371 TYPE:4 DIN376 / DIN374
Simple Inspection Tools
Special Thread Taps
Pipe Taps
TYPE:5 DIN376 TYPE:6 DIN5156
Thread Mills
Dies
Center Drills
Centering Tools
DIN
SP-6
57