R-D

Thread Forming Taps for Soft Structural Steel Sheets

Specification

■ R-D is the forming tap suitable for steel materials.

E

~M2.6

Recommended Tapping Speeds depending on Materials

Free cutting and structural steel IS P

5〜15

(m/min) For icon explanation, refer to P.50

TYPE:1 DIN371 TYPE:2 DIN371

TYPE:3 DIN371 TYPE:4 DIN376

Segment:1J

SizeClassCodeChamferL (mm)ℓ (mm)ℓn (mm)ℓs (mm)Ds (mm)K (mm)ℓk (mm)LobeTypeStock
For Metric Threads
M2×0.4ISO2XRD2.0EBNEBB2P458-322.82.1541
M2.5×0.45ISO2XRD2.5FBNEBB2P50815332.82.1542
M3×0.5ISO2XRD3.0GBNEBB2P56918343.52.7642
M3.5×0.6ISO2XRD3.5HBNEBB2P5611203243642
M4×0.7ISO2XRD4.0IBNEBB2P631321384.53.4642
M5×0.8ISO2XRD5.0KBNEBB2P7014253964.9842
M6×1ISO2XRD6.0MBNEBB2P8015304564.9842
M8×1.25ISO2XRD8.0NBNEBB2P9019354786.2963
M10×1.5ISO2XRD010OBNEBB2P1002339521081183
M12×1.75ISO2XRG012PBNEBB2P11026-56971084
M14×2ISO2XRG014QBNEBB2P11026-561191284
M16×2ISO2XRG016QBNEBB2P11026-561291284
For G Threads
G1/8-28-RVG0026NEBB2P9019-4675.5884
G1/4-19-RVG0047NEBB2P10021-511191284
G3/8-19-RVG0067NEBB2P10021-511291284

Number of oil grooves : M2.5 and smaller = non, M3~M6 = 4, M8 = 3, M10 and larger = 4 Taps for M6 and smaller : External centers on thread end are removed.