Sandvik Coromant 5755678 Turning Insert VBMT330-MF 1105

Product Description

The SANDVIK COROMANT 5755678 is a solid carbide turning insert designed for precision external turning operations on CNC lathes and turning centers. Carrying the ISO designation VBMT 16 04 02-MF 1105, it features a 35-degree diamond (V) insert shape with a 5-degree relief angle and a 0.20 mm (0.0079 inches) corner radius. The substrate is carbide with a TiAlN PVD coating applied under the manufacturer grade 1105, delivering thermal and wear resistance suited to demanding cutting conditions. The MF chip breaker geometry is engineered for light to medium finishing cuts. Licensed machinists and CNC operators install this insert as part of the CoroTurn 107 tooling system.

This insert is intended for turning steel as its primary workpiece material (ISO material code P). Secondary compatible workpiece materials include stainless steel, superalloys, and titanium (ISO codes M, S, and P). It fits toolholders designed for VBMT-style inserts within the CoroTurn 107 series. Typical applications include finish-turning of shafts, flanges, and precision-machined components where consistent surface finish and dimensional accuracy are required. The neutral hand orientation makes it suitable for both conventional and back-turning setups depending on holder configuration.

Key Features

• 35-degree diamond (V) insert shape with VBMT style for precise turning geometry
• TiAlN PVD coating on carbide substrate for thermal resistance and extended tool life
• MF chip breaker optimized for light to medium finishing passes
• 0.20 mm corner radius for fine surface finish on steel and stainless steel
• Screw-clamping insert holding method with clearance code B and tolerance code M
• 2 cutting edges per insert, neutral hand orientation

Compatibility

Designed for use with SANDVIK COROMANT CoroTurn 107 toolholders that accept VBMT-style inserts. Compatible with ISO VBMT 16 04 02 seat geometry. Primary workpiece material is steel (ISO code P); secondary materials include stainless steel, superalloys, and titanium.

Installation Notes

Installation is performed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before indexing or replacing inserts. Use the appropriate Torx or hex key for the clamping screw — do not overtighten, as carbide inserts are brittle and seat faces must be clean and free of chips or burrs. Inspect the insert pocket and clamping screw for wear before seating a new insert.