Cutting Tool Technical Center
Find practical guides for PCBN inserts, carbide end mills, cutting parameters, dimensions, coatings and machining troubleshooting.
Search the Technical Center
Search by product, material, parameter or machining problem.
PCBN Insert Technical Guides
Use these three guides together to identify the insert, choose the grade and establish starting cutting parameters.
PCBN Insert Grades
Compare OBN45, OBC50, O2C50, OBX60/65, OBW85 and OMB90 by application direction.
View PCBN Grade Guide →CBN Insert Codes and Sizes
Understand ISO insert codes, C/D/S/T/V/W shapes, nose radii, sizes and PCBN tip structures.
View CBN Code Guide →CBN Insert Cutting Speed
Review recommended starting ranges for cutting speed, feed and depth of cut by workpiece material.
View CBN Cutting Data →End Mill Technical Guides
Find the core information needed to select, identify and troubleshoot carbide end mills.
How to Choose Carbide End Mills
Choose by material, operation, tool shape, flute count, coating and length.
View Selection Guide →End Mill Coatings
Compare coating direction for different workpiece materials and cutting conditions.
View Coating Guide →End Mill Speeds and Feeds
Understand RPM, feed rate, chip load and starting cutting parameters.
View Speeds & Feeds →End Mill Sizes
Review cutting diameter, shank diameter, flute length and overall length.
View Size Guide →End Mill Naming Convention
Understand model codes, flute count, cutter type, length and size logic.
View Naming Guide →End Mill Troubleshooting
Diagnose chipping, breakage, chatter, built-up edge, wear and poor finish.
View Troubleshooting →Choose the Right Starting Point
Use size, naming and insert-code guides.
Compare PCBN grades or end-mill coatings.
Find starting speed, feed and depth-of-cut ranges.
Start from wear, chipping, chatter or surface finish.
Request an Application Review
Send the tool code, workpiece material, operation and current machining result. ONMY can review the product direction, grade and starting parameters.
