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
+PO
Plus Series Spiral Pointed Taps
Specification


(for through hole)
■More suitable than PO for through hole tapping of middle
carbon steels in middle speed tapping area.
E
Recommended Tapping Speeds depending on Materials


(for through hole)
Medium carbon steels
TYPE:1
10 15 〜

For icon explanation, refer to P.50


Hand Taps
Segment:1E


Carbide Taps
Cemented
L ℓ ℓn ℓs Ds K ℓk No. of Type Stock
Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes
For Metric Threads
M3 × 0.5 P2 PNPQ3.0G 5P 46 9 14 26 4 3.2 6 3 1 ◎
M3.5 × 0.6 P2 PNPQ3.5H 5P 52 11 16 29 5 4 7 3 1 ○


Roll Taps
M4 × 0.7 P2 PNPQ4.0I 5P 52 11 17 29 5 4 7 3 1 ◎
M5 × 0.8 P2 PNPQ5.0K 5P 60 13 22 33 5.5 4.5 7 3 1 ◎
M6 × 1 P2 PNPQ6.0M 5P 62 15 26 33 6 4.5 7 3 1 ◎


Simple Inspection Tools
Special Thread Taps
Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools


JIS
◎=Standard ○=Semi standard △=Made to order
PO-10
For improvement, spec may change without advance notice. 403