Обший каталог Yamawa 2016 - 2017 - страница 506

Roll Tap Series
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)


N+RS/N-RS
Thread Forming Taps for Non-Ferrous Materials
Specification
(for through hole)


■N+RS/N-RS are the forming taps suitable for non-ferrous
materials such as aluminum castings, aluminum diecasting
E and brass.
Nitride
～ M2.6
N＋RS ～ M6 (coarse thread)
Recommended Tapping Speeds depending on Materials
N－RS ～ M6 (fine thread), M7 ～ , all U, all STI
(for through hole)


Wrought aluminum Aluminum alloy castings inc alloy castings

5 15〜
5 15 〜
5 15 〜
TYPE：1
(m/min) (m/min) (m/min)
For icon explanation, refer to P.50
Hand Taps
Cemented
Carbide Taps


TYPE：2 TYPE：3
Roll Taps


TYPE：４ TYPE：5
Special Thread Taps
Pipe Taps Simple Inspection Tools


TYPE：6 TYPE：7
Thread Mills
Dies


Number of oil grooves :
Metric thread : M2.6 and smaller=non, M3 and larger=1
Unified thread : No.4 and smaller=non, No.5 and larger=1
STI Metric thread : 1
Center Drills


For M6 and smaller, external centers of 2 thread chamfer taps are removed.
Centering Tools


Number of oil grooves : M3 ～ M6=4, M8=3, M10=4
JIS
RO-7 ◎=Standard ○=Semi standard △=Made to order
502 For improvement, spec may change without advance notice.