Check the listing for details. Tool-Flo FLT4 Grade AC3, Internal/External 60° V Threading Insert 6 to 20 TPI Ex. Condition: New. Listed at 150.00 USD. Tool-FloFLT4 Grade AC3, Internal/External 60° V Threading Insert6 to 20 TPI Ext Pitch, 5 to 12 TPI Int Pitch, Right Hand Insert, AlTiN Finish, CarbideFeatures and BenefitsAlTiN is one of the most abrasive-resistant and hardest of the coatings. It is commonly used for machining aircraft and aerospace material, nickel alloys, stainless steel, titanium, cast iron and carbon steel.Solid carbide is extremely heat resistant and used for high speed applications. It is commonly used on cast iron, nonferrous materials, plastics and other tough-to-machine materials.SpecsInsert StyleFLTInsert Size4Thread TypeInternal/ExternalCutting DirectionRight HandInsert HandRight HandThread Standard60 Degrees VManufacturer's GradeAC3Material GradeC5/C6External Pitch/TPI6-20 TPIInternal Pitch/TPI5-12 TPICoatingAlTiNMaterialCarbideCoating ProcessPVDCorner Radius (Decimal Inch)0.005-0.008Minimum Corner Radius (Decimal Inch)0.0050Maximum Corner Radius (Decimal Inch)0.0080Thickness (Decimal Inch)0.1950SeriesFlo-LockIncluded Angle of Threading Tip60Tip to Top of Insert (Decimal Inch)0.0980Manufacturers Catalog NumberFLT-3R-HCB