Quadralock™ Catalogue Numbering System Quadralock Boring Bar Insert Identification System MB125625R MB 125 625 R Insert Style Minimum Bore Bore Depth, Groove Width, Hand shown as “D min” Flat on Thread of Tool shown as “L4, W” MB = Boring Metric Metric010=0,25mmBore Depth R=Right hand 030 = 0,76mm 062 = 1,58mm L= 062 = 1,58mm 187 = 4,75mm Left hand 094 = 2,39mm 281 = 7,14mm 125 = 3,18mm 312 = 7,93mm MG = Grooving 156 = 3,96mm 375 = 9,53mm 500 = 12,70mm (for MG and MT style only) 625 = 15,88mm 095 = 2,79mm 875 = 22,23mm 125 = 3,56mm 156 = 4,45mm Groove Width (for MG style only) MP = Profiling 030 = 0,76mm 040 = 1,02mm 050 = 1,27mm Thread (for MT style only) MT = Threading 60F2 = 0,05mm Flat on 60° thread D76 widia.com