Description

The SECO 02789612 is a solid carbide milling insert carrying the manufacturer designation LPHT060310TR-ME05 in the MM4500 grade. It features a rectangle shape with a 90-degree included angle and a positive rake geometry with a T-Land cutting edge style. The CVD-applied TiCN and Al2O3 coating over a coarse-grain carbide substrate delivers wear resistance and thermal stability. With two cutting edges per insert, a 0.3343-inch maximum depth of cut, and a right-hand orientation, this insert is engineered for productive metal removal in milling operations on stainless steel, steel, superalloys, and titanium. Machinists and CNC tooling specialists install this style of insert in compatible indexable milling cutters.

This insert is suited for milling applications in both production and job-shop environments where stainless steel, carbon steel, superalloys, and titanium are the primary workpiece materials. The ME05 chip breaker geometry supports stable chip formation across a range of feed rates. The insert mounts via screw-clamping and is designed for single-sided use. Typical applications include face milling, shoulder milling, and profile milling operations on CNC machining centers. Compatible cutter series include R217.21-LP06 and R220.21-LP06 as specified by the manufacturer.

Key Features

MM4500 manufacturer grade with CVD TiCN and Al2O3 coating for extended tool life on difficult-to-machine materials
Coarse-grain solid carbide substrate provides toughness in interrupted and variable-load cuts
Positive rake angle of 16 degrees with T-Land cutting edge style reduces cutting forces
ME05 chip breaker optimized for stainless steel, steel, superalloys, and titanium
Right-hand, single-sided insert with two cutting edges for indexing efficiency
Screw-clamping insert holding method for secure, repeatable seating in the cutter body

Compatibility

Designed for use in SECO milling cutter series R217.21-LP06 and R220.21-LP06 as specified by the manufacturer. Verify cutter body compatibility and insert pocket specifications before installation.

Installation Notes

Installation is performed by qualified CNC machinists or tooling technicians. Ensure the machine spindle is fully stopped and the cutter body is secured or removed from the spindle before indexing or replacing inserts. Use the correct Torx or hex key for the clamping screw and avoid over-torquing, which can crack the carbide. Inspect the insert pocket seating surface for chips or debris before seating the new insert.

Technical Specifications

Manufacturer Part Number (ANSI/ISO Code): LPHT060310TR-ME05
Manufacturer Grade: MM4500
Insert Material: Solid Carbide (Coarse Grain)
Coating: TiCN and Al2O3
Coating Process: CVD
Insert Style: LPHT
Insert Shape: Rectangle
Insert Size Code: 060310
Series: LPHT-06
Width: 0.25 inches
Thickness: 0.1252 inches
Inscribed Circle: 0.25 inches
Length (Cutting Edge Effective): 0.3343 inches
Maximum Depth of Cut: 0.3343 inches
Corner Radius: 0.0394 inches
Hole Diameter: 0.1142 inches
Convex Radius: 0.3150 inches
Number of Cutting Edges: 2
Insert Hand: Right Hand
Rake: Positive
Rake Angle: 16 degrees
Relief Angle: 11 degrees
Cutting Edge Style: T-Land
Chip Breaker: ME05
Insert Holding Method: Screw
Single or Double Sided: Single
Included Angle: 90 degrees
Primary Workpiece Material: Stainless Steel
Secondary Workpiece Materials: Steel, Stainless Steel, Superalloys and Titanium
Cutter Series Compatibility: R217.21-LP06, R220.21-LP06
Standard: ISO
Package Quantity: 1
Minimum Order Quantity: 10
Weight: 0.07 pounds