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Speeds in Surface Feet per Minute are specified for High-Speed Steel drill bits, and are approximate for normal drilling operations.

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Recommended Cutting Speeds using High-Speed Steel Tools. For Reamers use 1/2 to 2/3 speed given in this Table. For Carbide tools double the speeds.

Stainless Steel  Standard   Austenitic (annealed)   Cold-Drawn   Ferritic   Martensitic (annealed)   Tempered  Free Machining   Austenitic (annealed)   Cold-Drawn   Ferritic   Martensitic (annealed)   Tempered