LPGT010210ER-GM SG20 – High-Feed Milling Insert
The LPGT010210ER-GM in SG20 grade is a precision indexable carbide insert designed specifically for high-feed milling operations. Whether paired with the MFH High Feed Cutter or compatible tooling systems, this insert delivers consistent, reliable performance across a wide range of workpiece materials and machining conditions.
Insert Specification Breakdown:
| Code | Description |
|---|---|
| LPGT | Insert shape and geometry designation |
| 010210 | Insert size – optimized for high-feed cutter bodies |
| ER | Corner radius configuration for smooth, controlled cuts |
| GM | General Milling chipbreaker – optimized chip formation and evacuation |
| SG20 | Premium carbide substrate with advanced wear-resistant coating |
SG20 Grade – Performance Where It Counts
The SG20 carbide grade combines a tough, fine-grained substrate with a high-performance coating engineered to resist heat, abrasion, and built-up edge formation. The result is an insert that maintains cutting-edge integrity over extended runs – reducing insert changes, minimizing downtime, and lowering cost per part.
GM Chipbreaker Geometry
The GM chipbreaker is specifically designed for high-feed milling strategies, promoting efficient chip formation at elevated feed rates. It reduces cutting forces, limits heat transfer into the insert, and ensures reliable chip evacuation – critical for maintaining surface quality and preventing re-cutting of chips.
Key Benefits:
- Extended tool life – SG20 grade resists wear and thermal shock in demanding applications
- Smooth cutting action – ER corner radius reduces chipping and edge micro-fracturing
- Efficient chip control – GM geometry promotes clean chip formation at high feed rates
- Reduced cutting forces – protects spindle, toolholder, and workpiece
- Versatile material compatibility – performs reliably in steel, stainless steel, and cast iron
- Cost-effective indexing – multiple cutting edges per insert maximize value
Recommended Application:
The LPGT010210ER-GM SG20 is the recommended insert for use with the MFH High Feed Cutter in 8mm, 10mm, and 12mm diameters. It is ideally suited for high-feed roughing, pocket milling, ramping, and helical interpolation strategies where maximum productivity is the goal.







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