The purchase option is radius R   .

Brand new boxed microcrystalline cemented carbide 2 flute drill  Standard length  TiAlN coating.The dimensions are as follows:Tool knife handle diameter, blade length, full length

R is the radius. D is the diameter

R0.5=D1mm…………4mm…………4mm…………50mm

R1=D2mm…………4mm…………4mm…………50mm

R1.5mm=D3mm…………4mm…………8mm…………50mm

R2mm=4mm…………4mm……10mm…………50mm

R2.5mm=D5mm…………5mm………………13mm…………50mm

R3mm=D6mm…………6mm…………15mm…………50mm

R4mm=D8mm…………8mm…………20mm…………60mm

R5mm=D10mm…………10mm……22mm…………72mm

R6mm=D12mm…………12mm……30mm……75mm

R8mm=D16mm…………16mm…………45mm…………100mm

quantity: 1