﹒ surface roughness : Buffing Bar ≤0.3~0.4 RA /Coating Bar ≤0.2~0.3 RA ﹒ D Tolerance : g6 (g5) ﹒ Straightness : ≤ 0.2mm/1m ﹒ SUS 303F is a steel with improved free-cutting ability. Sulfur (S), a free-cutting material, has been added to SUS 303.
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