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Drill Bit HSS Cobalt TiAIN Coated Blue Band 7.8mm

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Diameter :7.8mm
Flute Length: 75mm
Overall Length: 117mm

Blue Band HSS-Co TiAlN Coated Twist Drills for Stainless Steel.
TiAlN coating increases tool surface hardness to 87Rc.
For machining materials with Hardness < 350 HB : Tensile Strength <1250 N/mm2.

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