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Milling inserts and grades for steel

GC1130

From light roughing to finishing operations, steel milling insert GC1130 is a highly reliable grade that provides superior performance in all machining conditions for various component features. GC1130 offers a long tool life for a predictable and secure milling process.

Benefits and features​

  • Ensures secure machining with a long and predictable tool life
  • High metal removal rates and high reliability, even in challenging conditions, such as complex tool paths and deep cavities
  • Great performance in both dry and wet machining

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Optimized for steel milling

Produced with Zertivo™, a unique PVD production technology, GC1130 increases the predictability and security of your milling process.​



Steel Milling Grade GC1130

Get an in-depth look at the many uses of GC1130.

Performance Results

Learn how the enhanced properties of GC1130 outperforms other grades in customer workshops.

The Secret Behind GC1130

Zertivo™ technology amplifies each grade’s unique benefits, resulting in long tool life and secure machining.

​Find your grade

Our steel insert grade assortment consists of CVD and PVD-coated carbide grades and uncoated cermets for various machining conditions.

Stable conditions
Unstable conditions
  Low heat

(Small cutters
and/or low vc, ae)

High heat

(Large cutters
and/or high vc, ae)

GC1130

Hard, thin-coated PVD-grade with Zertivo™ technology for various applications. Suitable from light roughing to finishing in average stability for wet and dry machining. Good choice for complex tool paths and sticky materials.

CoroMill® 200: Round insert cutter for roughing in unstable conditions.

CoroMill® 210: High feed face and plunge milling.

CoroMill® 216: Ball nose end mill for rough and semi-finish profiling.

CoroMill® 245: Light cutting face mill for heavy roughing and mirror finishing.

CoroMill® 300: Round insert cutter for roughing to semi-finishing in stable conditions.

CoroMill® 600: Versatile, round insert profile milling cutter.

CoroMill® 331: Multi-purpose side and face milling cutter.

CoroMill® 345: First Choice for highly productive face milling.

CoroMill® 357: Multi-edge rough face milling cutter.

CoroMill® 365: Secure face milling in cast iron and steel.

CoroMill® 390: Versatile, shoulder milling and ramping cutters for mixed production.

CoroMill® 415: Small diameter, high feed face milling cutter.

CoroMill® 419: High-feed milling cutter.

CoroMill® 490: The First Choice for general and repeated shoulder milling.

CoroMill® 495: Versatile chamfer cutter.

CoroMill® QD: Deep and narrow grooving.​

See complete assortment

GC4230

Medium-hard, CVD-coated grade (medium to thick coating) designed for medium to rough milling applications in average cutting conditions for wet and dry machining.

CoroMill® 300: Face and profile milling cutters for roughing to semi-finishing in stable conditions.

CoroMill® 331: High-quality grooving and parting off.

CoroMill® 345: First Choice face milling cutters for high productivity.

CoroMill® 390: Versatile, shoulder milling and ramping cutters for mixed production.

CoroMill® 745: Multi-edge, face milling cutter for best production economy in steel and cast iron​.

See complete assortment

GC4240

Tough, CVD-coated grade (medium-thick coating) suited for tough and demanding, medium to rough milling applications for wet and dry machining.

CoroMill®​ 300: ​Face and profile milling cutters for roughing to semi-finishing in stable conditions.

CoroMill® 345: First Choice face milling cutters for high productivity.

CoroMill® 390: Versatile, shoulder milling and ramping cutters for mixed production.

CoroMill® 490: The First Choice for general and repeated shoulder milling.

CoroMill® QD: Deep, narrow grooving and parting off.

See complete assortment

GC4220

Hard, CVD-coated (thick coating) grade suitable for high cutting speeds in medium to rough milling application with good stability for dry machining.

CoroMill® 200: Face and profile milling cutters for roughing in unstable conditions.

CoroMill® 245: Multi-purpose face milling cutters for mixed production.

CoroMill® 345: First Choice face milling cutters for high productivity.

CoroMill® 390: Versatile, shoulder milling and ramping cutters for mixed production.

CoroMill® 490: The First Choice for general and repeated shoulder milling.

See complete assortment

Complementary grades

GC1010

​Very hard, PVD-coated grade with thin coating for finishing in very stable conditions and hardened materials for wet and dry machining.

View complete ​assortment

CT530

Medium-hard, uncoated cermet grade for finishing applications at high cutting speeds for dry machining.

View complete assortment

GC2030

Medium-hard, PVD-coated grade with thin coating for sticky materials for wet and dry machining.

View complete assortment

GC2040

Tough, CVD-coated grade (medium-thick coating) for roughing in tough and demanding wet and dry machining applications, and good for mixed material production.

View complete assortment

GC3040

​Medium-hard, CVD-coated (thick coating) grade that complements GC4230 in abrasive materials.

View complete assortment

M30B

​Tough, CVD-coated (thin coating) grade for turbine blade machining under tough and demanding conditions at high cutting speeds for wet and dry machining.

View complete assortment

GC1025

Hard, PVD-coated grade (thin coating) for light roughing to finishing in sticky materials for wet and dry machining.

View complete assortment

Highlights

Made for Milling

You make the components that shape the things around us. We create the precision tools that are #MadeforMilling.

Steel Machinability

The machinability of steel varies depending on the alloy elements, heat treatment, and manufacturing process.

Hold Tight

Learn how to ensure inserts that seats are free from dirt or metal chips after machining.

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