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Durable Multi-Purpose Drilling Insert with Anti-Friction Coating for Extended Tool Life

XOMT-GD

Shape: X, “X” indicates a special insert shape that does not belong to standard ISO shapes (like C, D, T etc.). It is usually a manufacturer-defined geometry, often used for drilling inserts with non-standard polygon shapes.

Clearance Angle: O, “O” typically indicates a specific clearance angle design special relief geometry) used for drilling inserts that sit in a pocket with preset angles.

Tolerance: M, “M” represents the tolerance class of the insert, meaning medium precision tolerance.

Chip Breaker and Hole: T, “T” indicates the insert type with a central hole and clamping method, commonly used for screw-clamped inserts.

GD, “GD” represents the chipbreaker geometry or cutting edge design optimized for drilling operations and general-purpose machining.

 

Keywords:

Drilling Insert, Short-hole Drill, Milling Insert, PVD Coated Insert, CVD Coated Insert, CNC Milling Insert, CNC Tool, Cutting Tool, Turning Insert, Carbide Insert, Tool Holder, End Mill, Carbide Tap, Drill Bit, Milling Cutter, Carbide Reamer, Chamfer Mill

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Description

Introduction:

The XOMT-GD indexable drilling insert is engineered for high-efficiency holemaking in modern CNC machining operations. Featuring advanced GD chipbreaker geometry and premium carbide substrate, the insert ensures excellent chip evacuation, stable cutting performance, and extended tool life across a wide range of workpiece materials.

Optimized for indexable drill bodies, the insert provides superior cutting stability in demanding drilling conditions including deep-hole drilling and high-feed machining. The GD chipbreaker design effectively reduces cutting forces while maintaining controlled chip formation, minimizing vibration and improving hole accuracy.

Combined with advanced PVD/CVD coating technology, the insert offers outstanding wear resistance, thermal stability, and oxidation resistance during high-speed drilling. Its precision-ground cutting edges ensure consistent hole diameter, improved surface finish, and reliable dimensional control.

The insert is widely used in machining alloy steels, stainless steels, cast iron, and other difficult-to-machine materials, making it a preferred solution in industries such as automotive manufacturing, aerospace engineering, heavy equipment production, and precision mechanical machining.

Designed to maximize productivity and reduce tool replacement frequency, the insert significantly lowers overall machining costs while delivering consistent performance in high-volume production environments.

  1. Optimized Chipbreaker Geometry for Stable Chip Evacuation

The XOMT-GD insert features a specialized GD-type chipbreaker geometry engineered to control chip flow effectively during drilling operations, minimizing chip packing and ensuring reliable chip evacuation even in deep-hole drilling conditions.

  1. High Edge Strength with Reinforced Cutting Edge Preparation

The insert incorporates a strengthened cutting edge preparation (micro-hone or chamfered edge) that enhances edge integrity, improving resistance to chipping, fracture, and thermal fatigue under high feed and high-load drilling conditions.

  1. Superior Process Stability in Interrupted and Uneven Cutting Conditions

Due to its robust insert geometry and optimized cutting edge angle, the insert provides excellent process stability during interrupted cutting or drilling across irregular surfaces, reducing vibration and tool deflection.

  1. Enhanced Tool Life through Advanced Coating Technology

The insert is typically coated with advanced PVD/CVD multilayer coatings, offering superior wear resistance, oxidation resistance, and thermal stability, thereby extending tool life under demanding drilling applications.

  1. Optimized Cutting Efficiency at High Feed Rates

The GD geometry is specifically designed for high-feed drilling applications, allowing increased feed per revolution while maintaining smooth cutting action and reduced cutting forces.

  1. Excellent Compatibility with Indexable Drill Systems

The insert is engineered for precision seating in indexable drill bodies, ensuring high positioning accuracy, improved concentricity, and repeatable cutting performance.

 

Main technical parameters:

Type

 RE IC S D1
XOMT130406-GD 0.6 13.60 4.50

4.50
XOMT15M508-GD 0.8 15.90 5.00

5.50

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