Nine9 Indexable Centre Drills Inserts | MSC Industrial Supply Co.

Insert fits size 12 i-Center HolderWorld’s first indexable centre drill. Shortens set up and centre drilling time. Increases tool life and reduces tooling costs. The special ground insert and rigid holder design facilitate high performance speed and feed rates. The positioning and repeatability of the insert is within 0.02mm (0.0008 in) in radial direction, thus ensuring conformity to any national standards. The axial position of the insert is 0.05mm (0.0020 in). It is not necessary to reset the tool length when changing the insert edge. Coolant can be supplied through the centre of the holder to increase performance and extend tool life. Insert geometry, grades and coating process are specifically engineered for centring applications.