WALTER SDMT09T308-D57 WKP35G Square Milling Insert for Steel & Cast Iron CNC cutting tools Carbide cutting tools

The WALTER SDMT09T308-D57 WKP35G is a 90° square positive-rake indexable carbide milling insert from WALTER (Germany), designed for general to medium milling on carbon steel, alloy steel, and cast iron. It features a D57 chipbreaker and Tiger·tec® Gold WKP35G CVD coating, delivering high wear resistance, reliable chip control, and long tool life in versatile milling operations

• Insert Geometry: SDMT = Square (S), 15° relief angle (D), M-tolerance, T-style
• Dimensions: IC 9.52 mm (3/8"), Thickness 3.97 mm (5/32"), Corner radius 0.8 mm (0.031")
• Chipbreaker: D57 – optimized for medium cuts, balanced chip flow for steel/cast iron
• Grade: WKP35G – Tiger·tec® Gold CVD coated carbide (TiAlN+TiCN), tough substrate for millingWalter Tools
• Workpiece: Carbon steel, alloy steel, cast iron (ISO P/K)
• Application: Face milling, shoulder milling, slotting, profiling on Xtra·tec® milling cutters

表格

• Carbon Steel (P): 1045, A36, S45C – primary medium milling
• Alloy Steel (P): 4140, 42CrMo, SCM440 – general milling
• Cast Iron (K): HT200–HT300, ductile iron – heavy milling

• Tiger·tec® Gold Coating: Optimized CVD layer reduces wear, resists heat, and extends life in steel/cast iron millingWalter Tools.
• D57 Chipbreaker: Stable chip evacuation, lower cutting forces, ideal for mixed material batches.
• 4 Cutting Edges: Cost-effective, high productivity for mass production.
• WALTER Quality: German precision for consistent performance in CNC milling.