AccusizeTools - 1/2'' x 7'' RH SCLCR Indexable Boring Bar with CCMT Insert, P252-S403 Shank Diameter: 1/2&#039;&#039; Overall Length: 7&#039;&#039; Min. Bore: .600&#039;&#039; Boring from light roughing to finishing in small bores Insert CCMT 32.51 Included &amp; Key Included Accepts Inserts CCMT32.51 and CCMT 32.52 Profiling bar for semi-finishing and finishing operations Bar hardness approximately 45HRC Extreme gloss finish Negative 5 degree end &amp; side cutting angle Positive 80 degree diamond CCMT inserts Shank Diameter: 1/2&#039;&#039; Overall Length: 7&#039;&#039; Min. Bore: .600&#039;&#039; Boring from light roughing to finishing in small bores Insert CCMT 32.51 Included &amp; Key Included Accepts Inserts CCMT32.51 and CCMT 32.52 Profiling bar for semi-finishing and finishing operations Bar hardness approximately 45HRC Extreme gloss finish Negative 5 degree end &amp; side cutting angle Positive 80 degree diamond CCMT inserts IC: 3/8 Thickness: 5/32 Thru Hole: 0.17 Radius: 1/64 7 degree Insert Grade: BPS101 Chip Breaker: MD Material: Carbide Coating: CVD Al2O3 TICN CVD coated carbide grade, wear-resistance materials coated on the gradient sintered substrate which has both good hardness, toughness Can bear high temperatures For steel and steel castings finishing to roughing processing Continue cutting to light interrupted cutting Machining of gray and ductile iron at low to medium cutting speed Components typically: axles, shafts, hubs, gears, etc