High efficiency chip evacuation, Roughing, serrated edge No. of Flutes:3, 4, 5 ■ 3RDS, 4RDS, 5RDS Workpiece Materials ★ 1st Choice C h6 20˚ Cutting edge shape Shank Dia. L ℓ 3 4 5 φDc φDs ■ 3RDSM, 4RDSM, 5RDSM Shouldering Slotting ■ 3RDSL, 4RDSL, 5RDSL Shouldering (Medium) (Long) (Unit: mm) (Unit: mm) Outside Mill Dia. Length Shank Overall Spec of No. of Outside Mill Dia. Length Shank Overall Spec of No. of Description Std. Dia. tolerance of cut Dia. length Corners Flutes Description Std. Dia. tolerance of cut Dia. length Corners Flutes φDc ℓ φDs L C Z φDc ℓ φDs L C Z 3RDSM040-110-06 N 4 -0.030 11 6 55 0.3 3 3RDSL060-240-06 N 6 -0.030 24 6 76 0.3 3 -0.105 -0.105 3RDSM050-130-06 N 5 -0.030 13 6 57 0.3 3 3RDSL080-280-08 N 8 -0.040 28 8 76 0.3 3 -0.105 -0.130 3RDSM060-130-06 N 6 -0.030 13 6 57 0.3 3 4RDSL100-340-10 N 10 -0.040 34 10 89 0.5 4 -0.105 -0.130 3RDSM080-160-08 N 8 -0.040 16 8 63 0.3 3 4RDSL120-450-12 N 12 -0.050 45 12 100 0.5 4 -0.130 -0.160 4RDSM100-220-10 N 10 -0.040 22 10 72 0.5 4 4RDSL160-560-16 N 16 -0.050 56 16 125 0.5 4 -0.130 -0.160 4RDSM120-260-12 ● 12 -0.050 26 12 83 0.5 4 4RDSL200-600-20 ● 20 -0.065 60 20 125 0.5 4 -0.160 -0.195 4RDSM160-320-16 N 16 -0.050 32 16 92 0.5 4 5RDSL250-800-25 N 25 -0.065 80 25 150 0.5 5 -0.160 -0.195 L 4RDSM200-380-20 N 20 -0.065 38 20 104 0.5 4 -0.195 5RDSM250-450-25 N 25 -0.065 45 25 121 0.5 5 -0.195 ● Three, four and five flutes types are available for roughing. They reduce cutting force due to the edge design with sine-curve pattern. Solid End Mill Recommended Cutting Conditions L63~L64 ●:Std. Item L26