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The SANDVIK COROMANT 5753734 is a solid carbide grooving insert in the Top Lok series, designed for precision grooving and parting operations on CNC lathes and turning centers. It carries the ISO code TLG-4189L H13A and features a left-hand cutting orientation with a 4.8 mm (0.189 inch) cutting width and a maximum depth of cut of 6.35 mm (0.250 inch). The uncoated H13A solid carbide grade delivers consistent edge integrity at the cutting zone. With a neutral rake angle of 10 degrees and a corner radius of 0.57 mm (0.0225 inch), this insert is suited for controlled chip formation in grooving applications where dimensional accuracy is critical. It is installed by machinists and CNC operators on compatible Top Lok toolholders.
This insert is used in external grooving, face grooving, and light parting operations on turning machines in both production shop and job shop environments. The Top Lok series is a common platform in industrial machining where secure insert clamping and repeatable positioning are required. The insert size is 4, with an overall length of 0.7598 inches and a cutting height of 11.51 mm (0.453 inch), making it appropriate for medium-duty grooving passes within a depth-of-cut range of 5.00 mm to 10.00 mm (0.200 inch to 0.300 inch). This is a single-insert package with a minimum order quantity of 10 units.
Designed for use with SANDVIK COROMANT Top Lok series toolholders accepting size 4 grooving inserts with left-hand orientation. ISO code TLG-4189L H13A. Manufacturers catalog number TLG-4189L H13A. Verify toolholder seat size and clamping geometry before installation.
Installation is performed by qualified machinists or CNC operators. Power down and lock out the machine spindle before seating or replacing the insert. Ensure the insert seat is clean and free of chips or debris before clamping to maintain accurate positioning and prevent insert rocking. Do not exceed the maximum depth-of-cut range of 10.00 mm specified for this insert size, as overloading can cause insert fracture or toolholder damage.
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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