Spot drill with indexable replaceable insert

Details Spot drill with indexable replaceable insert Spot drill with indexable replaceable insert

B - Operations, Transporting

23

B

B23B 27/16 (2006.01) B23B 51/04 (2006.01) B23B 51/10 (2006.01)

Patent

CA 2103784

A spot drilling and centering drill including a body having a cylindrical head portion and a replaceable indexable insert mounted in the head portion. A V-angled slot is formed directly in the head portion. The insert has two Y-angled cutting surfaces with a drill point, each cutting surface fitting within the V-angled slot to locate the drill points on the centerline of rotation of the drill.

Foret à centrer comprenant un corps à tête cylindrique et une pièce rapportée remplaçable et indexable montée sur la tête. Une entaille en V est formée directement sur la tête. La pièce rapportée a deux surfaces de coupe en Y avec pointe de perçage, chaque surface de coupe s'ajustant dans l'entaille en V pour placer la pointe dans l'axe de rotation du foret.

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