SEC-Grooving Tools GND Type ■ Chipbreaker Selection Grooving/Traverse Cutting Grooving Cut-off MG Type GG Type GG Type 1st Recommendation General-purpose General-purpose General-purpose Grooving Tools F Improved Chip Improved Chip Pip or Burr Improved Chip Control Control Reduction Control Chipping Chipping Chipping Improved Chip Prevention Prevention Control Prevention ML Type GL Type CG Type GL Type Low Feed General-purpose General-purpose General-purpose 2nd Recommendation Chip control Chip control Feed Direction Chip control emphasised emphasised Front Cutting emphasised Edge Angle 5° Improved Reduction of Pip or Burr Improved Reduction of Chip Control Chattering Reduction Chip Control Chattering Chipping Chipping Chipping Countermeasures Prevention Prevention GF Type CF Type GF Type Low Resistance Low Resistance Low Resistance Feed Direction Front Cutting Edge Angle 10°/15° Facing/Internal Profiling/ External Profiling/External Radius Grooving Radius Grooving/Necking For Non-Ferrous Metals RG Type RN Type RN Type GA Type Recommendation General-purpose General-purpose General-purpose General-purpose 2nd Recommended For Non-Ferrous 1st Recommended 2mm Width Supported Metals ■ Insert Grade Selection P Steel M Stainless Steel K Cast Iron S Exotic Alloy N Non-ferrous Metal 1st Recommendation AC530U AC530U / AC1030U AC1030U AC425K AC520U PVD PVD CVD PVD H10 Uncoated Carbide Insufficient Wear Surface Finish Emphasised Insufficient Wear Chipping Prevention Chipping Prevention Resistance Insufficient Wear Resistance Resistance Chipping Prevention Chipping Prevention Insufficient Wear Resistance 2nd Recommendation AC520U PVD AC520U AC520U PVD PVD Insufficient Wear Insufficient Wear Chipping Prevention Resistance Resistance Chipping Prevention Chipping Prevention Insufficient Wear Insufficient Wear Chipping Prevention Resistance Resistance AC530U AC530U AC830P T2500A AC830P AC1030U CVD AC1030U Cermet CVD PVD PVD Only AC520U and AC1030U are in stock for GNDIS Type holders. Only AC1030U is in stock for CF Type chipbreakers. F13