Patent ID: 9180650
Filing Date: 2015-11-10
Classification: B23B,B23C,B32B,Y10T

Abstract:
1. A fastener adapted to secure a cutting insert to a tool holder, the cutting insert having a top face, a fastening bore and a cutting edge, the fastener comprising: a head portion at least partially disposed within the fastening bore of the cutting insert, the head portion, comprising: an axial fastening portion adapted to secure the fastener to a tool holder when the fastener is positioned through the fastening bore of the cutting insert, and wherein a cavity is defined by at least a portion of the axial fastening portion of the fastener and at least a portion of the fastening bore of the cutting insert when the axial fastener portion secures the cutting insert, and wherein the cavity is in fluid communication with a coolant bore in the tool holder such that a coolant fluid passes from the coolant bore, through the cavity, and is directed by the recess onto the top face and toward the cutting edge of the cutting insert.