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Art. no.
102614
Multi-stage counterbore DIN 8378 Type N M4 HSS Cylindrical shank 90-degree pilot hole Length 80mm
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HSS · DIN 8378 · Type N · Point angle 118 ° · Countersink angle 90 ° · Conical section ground · long · drilling and countersinking are performed in one operation · for tap drill hole · right-hand cutting · for efficient production of through holes and 90 ° screw head countersinks Further technical characteristics: · Feed in steel up to 800 N: 0.03mm/rev · Point angle: 118° · Type: N · Design: Core drill · Countersink angle: 90° · Flute length: 47mm Note: The cutting speed depends on the large diameter, while the feed depends on the small diameter
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