EndmillsSquareRadiusBallnoseMulti-PurposeGeneral-purposeHighEfficiencyHardene dSteelRoughingNon-ferrousMetalCFRPCoatedUncoated Stock ±0.01 DC DN DMM h6 MOLD FINISH MASTER SUMIBORON Ballnose Endmills BNBP Type Pre-hardenedSteelHardenedSteel45 to 55HRCHardenedSteel55 to 60HRCHardenedSteel60 to 65HRC Ballnose Flutes Side Milling Face Milling R-Grooving Profiling Fig 1 RE±0.005 APMX 15˚ LU LF I Body Dimensions (mm) Cat. No. RadiusRE Dia.DC Cutting Edge Length Neck Length Overall Length Head Dia.APMXLULFDN Shank Dia.DMM Fig BNBP 2R020-0124 ● 0.20 0.4 0.3 1.2 50 0.37 4 1 BNBP 2R020-0126 ● 0.20 0.4 0.3 1.2 50 0.37 6 1 BNBP 2R020-0204 ● 0.20 0.4 0.3 2.0 50 0.37 4 1 BNBP 2R020-0304 ● 0.20 0.4 0.3 3.0 50 0.37 4 1 BNBP 2R020-0404 ● 0.20 0.4 0.3 4.0 50 0.37 4 1 BNBP 2R030-0154 ● 0.30 0.6 0.4 1.5 50 0.57 4 1 BNBP 2R030-0156 ● 0.30 0.6 0.4 1.5 50 0.57 6 1 BNBP 2R030-0304 ● 0.30 0.6 0.4 3.0 50 0.57 4 1 BNBP 2R030-0404 ● 0.30 0.6 0.4 4.0 50 0.57 4 1 BNBP 2R030-0504 ● 0.30 0.6 0.4 5.0 50 0.57 4 1 BNBP 2R030-0604 ● 0.30 0.6 0.4 6.0 50 0.57 4 1 BNBP 2R050-0254 ● 0.50 1.0 0.6 2.5 50 0.97 4 1 BNBP 2R050-0256 ● 0.50 1.0 0.6 2.5 50 0.97 6 1 BNBP 2R050-0304 ● 0.50 1.0 0.6 3.0 50 0.97 4 1 BNBP 2R050-0404 ● 0.50 1.0 0.6 4.0 50 0.97 4 1 BNBP 2R050-0604 ● 0.50 1.0 0.6 6.0 50 0.97 4 1 BNBP 2R050-0804 ● 0.50 1.0 0.6 8.0 50 0.97 4 1 BNBP 2R075-0404 ● 0.75 1.5 0.9 4.0 50 1.47 4 1 BNBP 2R075-0406 ● 0.75 1.5 0.9 4.0 50 1.47 6 1 BNBP 2R100-0554 ● 1.00 2.0 1.4 5.5 50 1.97 4 1 BNBP 2R100-0556 ● 1.00 2.0 1.4 5.5 50 1.97 6 1 BNBP 2R100-0804 ● 1.00 2.0 1.4 8.0 50 1.97 4 1 Grade: BN350 Identification Code BNBP 2 R030 - 015 4 Series Code Number Ballnose Neck Shank of Teeth Radius Length Dia. I140