External Grooving Holders: FGDR 2020-4 / FGDR 2525-4 / FGDR 3232-4
Holds a straight tolerance over a 50mm boring depth without creating an internal taper
A: It features a sharper geometry that reduces cutting pressure
"Excellent robust finish
8 radius allows you to push higher feed rates while maintaining a stable cut and excellent surface finish
16ERA55-TF PR1115 (10pcs) 45 Degree Approach Angle External Grooving Holders: FGDR 2020-4Grade Name: PR1115 , Designation: 16ERA55 TF PR1115 ,TF Cutting Edge Applicable Thread TPI :(28,19), 48~16,Dimensions(in) RE: 0. 002, PDX: 0. 039,Angle PNA: 55 ,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 16ERA55TF