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The S Coromant 490R-08T308M-PM 4330 is a double-sided 4-edge indexable square shoulder milling insert belonging to the flagship CoroMill® 490 milling system from S Coromant (Sweden). It adopts PM medium-duty universal chipbreaker geometry, R0.8 nose radius, 90° true square shoulder forming capacity, paired with GC4330 CVD coated carbide grade featuring proprietary Inveio® coating technology. This insert balances high thermal wear resistance and edge toughness, optimized for roughing & semi-finishing of carbon steel, alloy steel and low-hardness pre-hardened mold steel. It supports full range milling operations including square shoulder side milling, face milling, slotting, plunge milling and contour profiling, perfectly matching all CoroMill 490 series cutter bodies with size 08 insert seats for CNC machining center mass mold and automotive component production
Key Features
Brand: S Coromant (Sweden world-leading precision cutting tool manufacturer)
Full Official ISO Model Code: 490R-08T308M-PM 4330
Grey cast iron, ductile iron, compacted graphite iron
Low-alloy steel forgings for automotive chassis parts
Typical Applications
High-efficiency 90° square shoulder side roughing & semi-finishing for plastic mold bases and die casting molds
Large-area face milling and step surface machining of automotive engine blocks, hydraulic valve manifolds
General slotting, plunge ramping and 2D contour profiling for mechanical general components
Interrupted cutting with uneven machining allowance, requiring stable anti-chipping performance
Mass automated CNC production of steel workpieces with mixed rough and semi-finish operations
Multi-task job shops with universal steel milling requirements for long tool life consistency
Advantages of S 490R-08T308M-PM 4330 Milling Insert
GC4330 Inveio® CVD coating technology: Ultra-stable aluminum oxide thermal barrier drastically reduces flank wear under high-speed dry & wet steel milling, delivering 30% longer service life compared with conventional CVD grades
PM medium-duty optimized chipbreaker design: Balanced chip curling performance for both heavy rough feed and fine semi-finish cuts, eliminates long tangled chips and improves machine evacuation efficiency
Double-sided 4-edge square geometry: Four usable cutting corners double the total service life vs single-sided inserts, greatly lowering long-term tool procurement cost for mass production
Tough shock-resistant carbide substrate: Reinforced cutting edge micro-strengthening technology suppresses edge chipping during interrupted slotting and uneven stock removal
Precise 90° forming edge: Produces clean vertical square shoulders without secondary finishing operation, saves extra machining cycle time
Universal CoroMill 490 system compatibility: Fully interchangeable with all size 08 CoroMill 490 end mill and face mill cutter bodies, unified inventory management for foreign trade tool stocking
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
10000000-50000000
Employee Number:
>50
Ecer Certification：
Verified Supplier
For over 20 years, Trek Brand has been dedicated to the business of cutting tools. Our main focus is on wholesale distribution of renowned brands such as Walter, Hoffman, Mitsubishi, Taegutec, Tungaloy, OSG, and most importantly, China. We offer a comprehensive one-stop shopping experience for CNC c... For over 20 years, Trek Brand has been dedicated to the business of cutting tools. Our main focus is on wholesale distribution of renowned brands such as Walter, Hoffman, Mitsubishi, Taegutec, Tungaloy, OSG, and most importantly, China. We offer a comprehensive one-stop shopping experience for CNC c...
