CBN & PCD TURNING INSERTS MBC020 MB8025 MB710 MB730 MB4020 CBN TURNING INSERTS [POSITIVE] 90° SP TYPE INSERTSWITHOUT HOLE SPG 3 2 1SizeThicknessCorner Radius*Please refer to page B002. Cutting Conditions : Stable Cutting General Cutting Unstable Cutting H Hardened Materials Work K Cast Iron Material S Heat-resistant Alloy, Titanium Alloy CBN Sintered Alloy Corner CuttingEdgeCoatedCBN CBN B Shape Order Number (ISO) Number Radius EffectiveRELengthLE ApplicableHolder Page (inch) (inch) SPG321 SPGN090304 .016 .157 a SPG322 SPGN090308 .031 .161 a SPG421 SPGN120304 .016 .157 a s ─ SPG422 SPGN120308 .031 .161 a s POSI 11º WITHOUT HOLE a : USA Stock s : Stocked in Japan B056 <1 insert in one case>