
Overall Thread Thread+Neck Size of Length of
Shank dia.
Length Length length square square
L ℓ ℓn Ds K ℓk
(for blind hole)
Spiral Fluted Taps Spiral Fluted Taps Spiral Pointed Taps
(for through hole)
(for through hole)
Hand Taps
Carbide Taps
Cemented
Roll Taps
Simple Inspection Tools
Special Thread Taps
Pipe Taps
Thread Mills
Dies
Center Drills
Centering Tools
JIS
◎=Standard ○=Semi
RO-22
◎ =Standard ○ =Semi standard
standard △ △=Made
=Made toto order
order
For improvement, spec may change without advance notice.
※For 517
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