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The VALUE COLLECTION FLEX1 is an indexable countersink designed for precision chamfering and countersinking operations in metalworking and machining applications. Built with an adjustable included angle, this tool allows operators to dial in the correct chamfer geometry without switching to a dedicated fixed-angle tool. It accepts Triangle TCMT 16T304 inserts, making insert changeovers fast and repeatable. With a 1-1/4 inch maximum cutting diameter and a 1 inch shank diameter, the FLEX1 is sized for rigid setups in CNC machining centers, manual mills, and drill presses where consistent countersink depth and angle are required.
This countersink is suited for production and job-shop environments where multiple chamfer angles are needed across different workpieces or materials. The indexable insert design reduces tooling downtime compared to solid countersinks that require regrinding. Machinists and tooling specialists working in metal fabrication, aerospace component prep, and general manufacturing will find this tool practical for high-volume or mixed-run countersinking tasks. The adjustable angle feature makes it especially useful when tooling must serve more than one part specification without a full tool change.
Designed as an OEM-style indexable countersink compatible with Triangle TCMT 16T304 inserts as specified by the manufacturer.
Installation and setup should be performed by a qualified machinist or tooling technician. Ensure the machine spindle is fully powered down and locked out before mounting or removing the tool from the holder. Confirm the 1 inch shank is properly seated and clamped to the specified holding torque for your tool holder system before beginning a cut. Insert seating and clamping screw torque should follow the insert manufacturer guidelines for TCMT 16T304 inserts.
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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