This ensures the internal minor diameter is perfectly calibrated to Whitworth/BSW standards
Sharpness is essential in internal bores to reduce radial pressure and prevent thread "tearing
Understanding the CNMG120408-37 Technical Nomenclature
the 1906 size offers maximum structural integrity with a 6
localized radial thrust forces along the tool's centerline
16IR125ISO-TF PR1115 (10pcs) Left-Hand Holder This ensures the internal minorGrade Name: PR1115 , Designation: 16IR125ISO TF PR1115 ,TF Cutting Edge Applicable Thread (mm): 1. 25 ,Dimensions(in) RE: 0. 08, PDX: 1. 10 ,Angle PNA: 60 Color: Purple red , Coating Main Component: iAlN , Coating Layer: Thin Coating , Density: 14. 7 , Hardness of Substrate (HV) : 1,700 , (GPa): 16. 7 , Fracture Toughness (MPam1 2): 11. 0 , Flexural Toughness (MPa): 3,000 16IR thread