4.2MM Dia - Carbide Flat Bottom Drill- True 180 Deg End 10x Dia, Double Margin - ID: 6618-L9816 4.2MM
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Kyocera SGS Hi-PerCarb 4.04 mm 146U Flat Bottom Drill 58875, Right Hand Cut, Ti-NAMITE-X Finish, 80 mm Overall Length, 26 mm Flute, Carbide | RSHughes.com
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Tungsten Steel Flat Bottom Drill 180 ° Flat Head Drill CNC Violent Fast U Drill Countersink Inclined Face Curved Half Hole Alloy - AliExpress
YG-1 DPP447049 4.9 x 6 x 22 x 60 DREAM DRILL FLAT BOTTOM DRILL W/O COOLANT HOLE (2XD) | Steiner Electric Company
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