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American Feldmuehle GF-315 Ceramic Inserts — premium-grade ceramic cutting tools designed for high-speed machining of cast iron and hardened steels. Model: GF-315 Grade: II Manufacturer: American Feldmuehle Corporation Country of Manufacture: USA Insert Type: Rectangular / Chamfered Ceramic Insert Insert Dimensions: • Length (L): 0.500 in (12.7 mm) • Width (W): 0.250 in (6.35 mm) • Thickness (S): 0.187 in (4.76 mm) Material: Aluminum oxide (Al₂O₃) ceramic composite Grade II Characteristics: • Excellent hardness and hot strength for elevated temperature machining • Outstanding wear resistance at cutting edges • Best suited for finishing and semi-finishing of cast irons and hardened steels • Not recommended for heavy interrupted cuts due to brittleness Hardness: 92–94 HRA Thermal Conductivity: Low (ideal for dry cutting) Recommended Cutting Speed: • Gray Cast Iron: 1300–2500 SFM (400–760 m/min) • Hardened Steel (up to 50 HRC): 800–1600 SFM (245–490 m/min) Feed Rate: 0.002–0.008 in/rev (0.05–0.20 mm/rev) Depth of Cut: 0.010–0.080 in (0.25–2.0 mm) typical Coating: None (ceramic surface finish) Color: Dark gray / black Quantity: 10 inserts per pack Applications: • High-speed dry turning and finishing of cast iron • Suitable for hardened steels, nodular cast iron, and heat-treated alloys • Ideal for fine surface finishes in continuous cut operations Please review pictures carefully and let us know if you have any questions!
Condition: New – Open box
Weight: 0.90
Depth: 4.00
Length: 6.00
Width: 4.00
SKU: 11491 4.S7.13.4
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