Kennametal® Threading Insert, Series: Top Notch™, NAS Insert, 3 Insert, Internal, External Thread, Stub Acme Thread Standard, 8 Threads per Inch, 0.195 in Thickness, 0.344 in Width, ANSI Code: NAS3L8 KC5010, ISO Code: NAS3L8 KC5010, Neutral Rake, 55 deg Included Angle, Manufacturer's Grade: KC5010, Carbide, PVD-AlTiN Coated, Material Grade: C3, C4