Kyocera OTM86125 Indexable Chamfer End Mill 1 in

Product Description

The KYOCERA OTM86125 is an indexable chamfer end mill designed for facing and chamfering operations on CNC machining centers and milling machines. It features a 1 inch cutting diameter with a 25-degree lead angle and accepts XPMT 15T3.. style inserts held in place by screws. The tool runs in a right-hand cutting direction and is built on KYOCERA's CM toolholder series. With an overall length of 3.15 inches and a maximum depth of cut of 0.526 inches, this end mill suits production environments where consistent chamfer geometry and repeatable insert indexing are required. A licensed machinist or tooling specialist typically selects and installs this tool.

The OTM86125 is suited for facing applications in medium to high-production machining environments. It is commonly used in shops running ferrous and non-ferrous materials where a reliable chamfer profile is needed at the entry or exit of a bore, pocket, or part edge. The CM series toolholder style is a standard platform, making insert sourcing straightforward. The whistle notch shank mounts securely in standard toolholders sized for a 0.75 inch shank diameter. Coolant-through is not supported on this body.

Key Features

• 25-degree lead angle for consistent chamfer geometry on faced or edged workpieces
• Accepts 2 XPMT 15T3.. style inserts with screw-lock holding method for positive seating
• 1 inch cutting diameter with 0.75 inch whistle notch shank for secure toolholder engagement
• Maximum depth of cut of 0.526 inches suitable for moderate stock removal and chamfering passes
• Right-hand cutting direction compatible with standard spindle rotation on CNC mills
• CM series platform with no coolant-through, simplifying setup in dry or flood-coolant environments

Compatibility

Compatible insert size codes include XPMT 15T304, XPMT 15T308, XPMT 15T316, XPMT 15T324, XPMT 15T331, and XPMT 15T364. The tool is designed for use with CM series toolholders and mounts via a 0.75 inch whistle notch shank.

Installation Notes

Installation should be performed by a qualified machinist or tooling technician. Ensure the machine spindle is fully stopped and locked out before mounting or removing this tool from the toolholder. Confirm the whistle notch is properly oriented and the retention screw is torqued per the toolholder manufacturer's specification before running. Inspect insert seating and screw engagement each time inserts are indexed or replaced.