
Overall Thread Thread+Neck Shank Shank Size of Length of
length length length length dia. square square
L ℓ ℓn ℓs Ds K ℓk
TYPE:1 TYPE:2
(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
(for through hole)
Segment:1A
L ℓ ℓn ℓs Ds K ℓk No. of
Size Code Chamfer Type Stock
(for through hole)
(mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes
For Metric Threads
HI73.0G5 5P
M3 × 0.5 46 9 14 26 4 3.2 6 3 1 ◎
HI73.0G2 2P
HI74.0I5 5P
Hand Taps
M4 × 0.7 52 11 17 29 5 4 7 3 1 ◎
HI74.0I2 2P
HI75.0K5 5P
M5 × 0.8 60 13 22 33 5.5 4.5 7 3 1 ◎
HI75.0K2 2P
HI76.0M5 5P
M6 × 1 ◎
Carbide Taps
Cemented
62 15 26 33 6 4.5 7 3 1
HI76.0M2 2P
HI78.0N5 5P
M8 × 1.25 70 19 - 36 6.2 5 8 3 2 ◎
HI78.0N2 2P
HI7010O5 5P
M10 × 1.5 75 23 - 38 7 5.5 8 3 2 ◎
Roll Taps
HI7010O2 2P
Blister Pack
L ℓ ℓn ℓs Ds K ℓk No. of
Size Code Chamfer Type Stock
flutes
Simple Inspection Tools
Special Thread Taps
(mm) (mm) (mm) (mm) (mm) (mm) (mm)
For Metric Threads
HI73.0G5BP 5P
M3 × 0.5 46 9 14 26 4 3.2 6 3 1 ◎
HI73.0G2BP 2P
HI74.0I5BP 5P
M4 × 0.7
Pipe Taps
52 11 17 29 5 4 7 3 1 ◎
HI74.0I2BP 2P
HI75.0K5BP 5P
M5 × 0.8 60 13 22 33 5.5 4.5 7 3 1 ◎
HI75.0K2BP 2P
HI76.0M5BP 5P
M6 × 1 62 15 26 33 6 4.5 7 3 1 ◎
HI76.0M2BP 2P
Thread Mills
HI78.0N5BP 5P
M8 × 1.25 70 19 - 36 6.2 5 8 3 2 ◎
HI78.0N2BP 2P
HI7010O5BP 5P
M10 × 1.5 75 23 - 38 7 5.5 8 3 2 ◎
Dies
HI7010O2BP 2P
Center Drills
Centering Tools
JIS
◎=Standard ○=Semi standard △=Made to order
HT-2
For improvement, spec may change without advance notice. 427