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The OSG 7808115 is a Torx drive flat head cap screw designed for securing indexable inserts in PSE-style toolholders. Part of the Phoenix series, this screw uses a TP15 Torx drive and a flat head profile to seat flush within the insert pocket, maintaining precise insert positioning during milling operations. It is compatible with ZDKT15 inserts and follows industry standard FS35686P. Licensed machinists and toolroom technicians install these screws during insert indexing and replacement cycles on milling cutters.
This cap screw is intended for use in Phoenix series PSE toolholders configured for milling cutter applications. It applies wherever ZDKT15 inserts are used and proper clamping force against the insert seat is required. The flat head design keeps the screw profile low to avoid interference with chip evacuation or workpiece clearance. This fastener is sold individually but requires a minimum order quantity of 10 units per order.
Designed for use with PSE-style toolholders in the Phoenix series. Compatible with ZDKT15 indexable inserts. Conforms to industry standard number FS35686P.
Installation is performed by machinists or toolroom technicians during routine insert indexing or replacement. Use the correct TP15 Torx key to seat the screw fully without overtightening, which can damage the insert or toolholder pocket. Ensure the insert is clean and properly seated before driving the screw. Follow the toolholder manufacturer's recommended tightening procedure for PSE-style systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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