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Home › Twist drill for drilling with a countersink cutting arrangement, and a cutting tool with a countersink cutting arrangement, and a cutting-chamfering tool

Twist drill for drilling with a countersink cutting arrangement, and a cutting tool with a countersink cutting arrangement, and a cutting-chamfering tool

US Patent 8142115 · Granted Mar 27, 2012

Estimated economic value: $7,020,000 ⓘ

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