Tool-flo 603600RAC3R Threading Insert FLT3R AC3 Carbide

Product Description

The TOOL-FLO 603600RAC3R is a carbide threading insert designed for precision thread cutting in metalworking applications. Built to the FLT3R insert style in the AC3 grade, it features a PVD coating over a C2/C3 carbide substrate for improved wear resistance and edge retention. The insert cuts a 60-degree V thread profile and is configured for right-hand threading. It handles both internal and external threads, covering an internal pitch range of 5-12 TPI and an external pitch range of 6-20 TPI. Machinists and tool-room technicians install this insert into compatible Flo-Lock series toolholders on CNC lathes and manual threading setups.

This insert is suited for production and job-shop threading operations where consistent thread form and tool life are priorities. The Flo-Lock series design supports secure insert indexing to maintain thread accuracy across multiple cutting edges. Applicable to both external threading passes and internal threading on through-holes and blind bores within the stated TPI range. It is sized at insert size 3 with a thickness of 0.1950 inches, making it compatible with Flo-Lock series toolholders specified for that insert size.

Key Features

• Carbide substrate in material grade C2/C3 for hardness and thermal resistance
• PVD coating process provides a wear-resistant surface layer to extend cutting life
• 60-degree V thread form covers unified and metric-equivalent thread standards
• Right-hand cut configuration for standard threading direction
• Handles both internal (5-12 TPI) and external (6-20 TPI) thread cutting in a single insert style
• Flo-Lock series design for positive insert retention and repeatable indexing

Compatibility

Designed for use with Flo-Lock series threading toolholders that accept a size 3 FLT-style insert. Suitable for right-hand internal and external threading applications within the 5-20 TPI range on CNC and manual lathes.

Installation Notes

Threading inserts are installed and indexed by qualified machinists or tool-room technicians. Power down and lock out the machine spindle before changing or indexing the insert. Use the appropriate torx or hex key specified by the toolholder manufacturer to seat the insert securely - do not overtighten the clamping screw. Inspect the seating pocket for chips or debris before installing a fresh cutting edge.