These SP300 grooving and parting inserts are designed for 3 mm wide cuts, offering reliable performance in both continuous and interrupted cutting on CNC lathes and turning centers. The inserts are shaped for quick clamping and replacement with compatible holders.

Technical Parameters:

Model: SP300

Cutting width: 3.0 mm (0.118 inch)

Approx. length: 20 mm (0.79 inch)

Approx. thickness: 5 mm (0.20 inch)

Grade options: NC3020, NC3030, PC9030

Coating: PVD or CVD depending on grade

Clamping style: SP‑type positive rake grooving insert

Quantity: 10 inserts per box

Compatible holders: Designed for SP300‑type grooving and parting tool holders (e.g., suitable MGEHR/MGIVR with 3 mm slot)

Grade Descriptions:

NC3020: PVD‑coated fine‑grain carbide; recommended for finishing and semi‑finishing on steel and alloy steel materials.

NC3030: A tougher substrate with thicker coating; suitable for medium to heavy cutting on steel, providing a balance between wear resistance and toughness.

PC9030: Developed for stainless steels and heat‑resistant alloys; offers improved resistance to built‑up edge and maintains sharpness under lower cutting speeds.