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The SECO 02590857 is a solid carbide indexable drill insert designed for use in indexable insert drills operating in demanding metal-removal applications. Carrying the SCGX insert style with a 90-degree square shape and a 7-degree relief angle, this insert belongs to the Perfomax series and is manufactured to grade DP2000. The Duratomic coating process provides a coated finish that supports extended tool life in abrasive cutting environments. The inscribed circle measures 0.3752 inches (9.53 mm), and the insert thickness is 0.1563 inches. Licensed HVAC, machining, and metalworking tradespeople will recognize the P2 chipbreaker geometry as suited for controlled chip evacuation in drilling operations.
This insert is engineered for primary workpiece materials including cast iron and steel, corresponding to material grades K and P. It is applicable in production drilling environments where consistent chip control and surface integrity are required. The insert size code is 09, with an insert size designation of 09T308. It fits indexable drill bodies designed to accept the SCGX seat geometry and is appropriate for both light and heavy production setups in job shop and manufacturing environments.
Designed for use with indexable drill bodies configured to accept the SCGX seat geometry within the Perfomax series. Compatible with primary workpiece materials cast iron (K grade) and steel (P grade).
Installation is performed by qualified machinists or toolroom technicians. Power down and lock out the spindle before seating or indexing the insert. Use the manufacturer-recommended torx or hex key to secure the insert clamp screw to the drill body pocket. Inspect the pocket seat for chips or debris before installing a new insert, as contamination at the seating surface can cause insert rocking and premature failure.
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