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N+RS/N-RS

Thread Forming Taps for Non-Ferrous Materials

Specification

■ N+RS/N-RS are the forming taps suitable for non-ferrous E materials such as aluminum castings, aluminum diecasting and brass. Nitride

～M2.6N＋RS～M6 (coarse thread)
Recommended Tapping Speeds depending on Materials
N－RS～M6 (fine thread), M7～, all U, all STI
Wrought aluminumAluminum alloy castingsinc alloy castings
5〜155〜155〜15：1
TYPE
(m/min)(m/min)(m/min)

For icon explanation, refer to P.50

TYPE：2 TYPE：3

TYPE：４ TYPE：5

TYPE：6 TYPE：7

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

Number of oil grooves : M3～M6=4, M8=3, M10=4