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DIN N+RS

N-RS

Roll Taps for Non-Ferrous Materials

Specification

■ N+RS/N-RS is the forming tap suitable for nonferrous materials such as aluminum castings, aluminum die castings and brass. Nitride Recommended Tapping Speeds depending on Materials ・Product symbol is distinguished depend on the size. N＋RS 〜M6

Wrought aluminumAluminum alloy castingsZinc alloy castingsN−RSM8〜
5アルミ圧延材15アルミ合金鋳物5155亜鉛合金鋳物15
(m/min)(m/min)( m/ min)

TYPE：1 TYPE：2

TYPE：3 TYPE：4

N+RS Roll Taps for Non-Ferrous Materials

Segment：1J

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)LobeTYPE
For Metric Threads
M2×0.4ISO2XRE2.0EBKENB2P458-322.82.1541
M2.3×0.4ISO2XRE2.3EBKENB2P459-322.82.1541
M2.5×0.45ISO2XRE2.5FBKENB2P50815332.82.1542
M3×0.5ISO2XRE3.0GBKENB2P56918343.52.7642
M4×0.7ISO2XRE4.0IBKENB2P631321384.53.4642
M5×0.8ISO2XRE5.0KBKENB2P7014253964.9842
M6×1ISO2XRE6.0MBKENB2P8015304564.9842

N-RS Roll Taps for Non-Ferrous Materials

Segment：1J

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)LobeTYPE
For Metric Threads
M8×1.25ISO2XRD8.0NBKENB2P9019354786.2963
M10×1.5ISO2XRD010OBKENB2P100233952.51081163
M12×1.75ISO2XRG012PBKENB2P11026-56971064

Number of oil grooves: M2.5 and smaller = non, M3 and larger = 1