DIN R-D

Roll Taps for General Purpose, Coated

Specification

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

Coating

Recommended Tapping Speeds depending on Materials

Low carbon steelsMedium carbon steelsHigh carbon steelsAlloy steelsStainless steelsAluminum alloy castingsZinc alloy castings
10低炭素鋼2010中炭素鋼2010高炭素鋼2010合金鋼2010ステンレス鋼2010アルミ合金鋳物2010亜鉛合金鋳物20
(m/min)(m/min)( m/ min)(m/min)(m/min)( m/ min)(m/min)

TYPE:1 DIN371

TYPE:2 DIN371 TYPE:3 DIN376/DIN5156

Segment:1J(G=1H)

SizeClassCodeChamferLℓnℓsDsKℓkLobeTYPE
(mm)(mm)(mm)(mm)(mm)(mm)(mm)
For Metric Threads
M2 × 0.4ISO2X93532.0BTI2P458-322.82.1541
M2.5 × 0.45ISO2X93532.5BTI2P50815332.82.1542
M3 × 0.5ISO2X93533.0BTI2P56918343.52.7642
M3.5 × 0.6ISO2X93533.5BTI2P5611203243642
M4 × 0.7ISO2X93534.0BTI2P631321384.53.4642
M5 × 0.8ISO2X93535.0BTI2P7014253964.9842
M6 × 1ISO2X93536.0BTI2P8015304564.9842
M8 × 1.25ISO2X93538.0BTI2P9019354786.2962
M10 × 1.5ISO2X9353010BTI2P100233952.51081182
M12 × 1.75ISO2X9353012BTI2P11026-56971083
M14 × 2ISO2X9353014BTI2P11026-561191283
M16 × 2ISO2X9353016BTI2P11026-561291283
For GThreads
G 1/8-28-9953R02TI2P9019-4675.5883
G 1/4-19-9953R04TI2P10021-511191283
G 3/8-19-9953R06TI2P10021-511291283

Number of oil grooves: M2.5 and smaller = non, M3〜M6 = 4, M8 = 3, M10 and larger = 4 For M6 and smaller, external centers of 2P chamfer taps are removed.