R-D(Coating)

Thread Forming Taps for Soft Structural Steel Sheets, Coated

Specification

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

E Coating

~M2.6

Recommended Tapping Speeds depending on Materials

Free cutting and structural steel IS P

10〜20

(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
M2×0.4ISO2X93532.0BTC2P458-322.82.1541
M2.5×0.45ISO2X93532.5BTC2P50815332.82.1542
M3×0.5ISO2X93533.0BTC2P56918343.52.7642
M3.5×0.6ISO2X93533.5BTC2P5611203243642
M4×0.7ISO2X93534.0BTC2P631321384.53.4642
M5×0.8ISO2X93535.0BTC2P7014253964.9842
M6×1ISO2X93536.0BTC2P8015304564.9842
M8×1.25ISO2X93538.0BTC2P9019354786.2963
M10×1.5ISO2X9353010BTC2P1002339521081183
M12×1.75ISO2X9353012BTC2P11026-56971084
M14×2ISO2X9353014BTC2P11026-561191284
M16×2ISO2X9353016BTC2P11026-561291284

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.