Eight-Edge Positive-Rake ODKT Milling Inserts

Eight-Edge Positive-Rake ODKT Milling Inserts are indexable carbide inserts for face milling and selected finishing and semi-finishing operations. The positive cutting geometry supports efficient material removal, while the octagonal design provides eight cutting edges for compatible configurations. Available geometries address different cutting loads and surface-finish requirements. Selection depends on insert dimensions, carbide grade, workpiece material and cutter compatibility.

Eight Cutting Edges
The octagonal design provides eight usable cutting edges when supported by the insert and cutter configuration. Indexing to the next edge helps improve insert utilization and manage cost per cutting edge.

Positive-Rake Geometry
The positive cutting geometry promotes shearing action during face milling. The appropriate edge preparation and grade help match cutting performance to the workpiece material and machining load.

Operation-Specific Geometries
GL, GM, GH, AL and WB configurations address different machining requirements, including light cutting, general milling, heavier cutting, aluminum machining and surface finishing. Select the geometry according to the intended operation.

GL: Light Cutting
The GL geometry features a large rake angle and a narrow edge profile for light milling under suitable cutting conditions.

GM: General Milling
The GM geometry supports general-purpose milling. Match the grade and cutting parameters to the workpiece material and required finish.

GH: Heavier Cutting
The GH geometry features a reinforced cutting edge and wider chip space for higher-load material removal.

AL and WB
The AL geometry features a sharp cutting edge and polished surface for aluminum machining. The WB configuration incorporates a wiper edge for applications requiring improved surface finish.

Steel
Select the geometry and carbide grade according to steel type, material condition, cutting load and required tool life.

Cast Iron
Match the grade to the cast iron type, hardness and machining conditions. The GM configuration can be evaluated for suitable cast iron face milling applications.

Aluminum Alloys
The AL geometry is intended for aluminum-focused cutting conditions. Confirm alloy compatibility and chip evacuation requirements before selecting the insert.

Face Milling
Machine flat surfaces on metal components with a compatible face milling cutter. Insert geometry and cutter setup determine the achievable surface finish and dimensional consistency.

Finishing and Semi-Finishing
Choose the geometry according to stock allowance, cutting load and finish requirements. The WB wiper configuration is an option when surface quality is a priority.

Component Machining
Potential applications include cast housings, flywheels and other machined components. Confirm material compatibility, cutter interface and production requirements for each application.

Dimensional Matching
Verify the complete designation, insert dimensions, seating geometry and clamping arrangement against the cutter specifications. Confirm the required insert geometry before replacing an existing insert.

Cutting Parameters
Establish cutting speed, feed per tooth, axial depth of cut and coolant conditions according to the selected grade, workpiece material and cutter setup.

Geometry and Grade
Configuration requests can cover cutting geometry, carbide grade and coating, subject to technical review and manufacturing capability.

Drawing-Based Confirmation
Provide the insert designation or drawing, cutter interface, workpiece material and machining conditions to establish dimensional and application compatibility.

Order Specification
Confirm the part number, grade, quantity, packaging, inspection requirements and requested delivery schedule during quotation review.

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