Kennametal 5979186 Modular Cutoff Cutting Unit Head

Product Description

The KENNAMETAL 5979186 is a Size 50 left-hand modular cutoff cutting unit head designed for parting and grooving operations on CNC lathes and turning centers. It accepts a maximum width of cut of 3mm (0.118 inches) and a maximum depth of cut of 22mm, making it suited for medium-duty cutoff work. The head measures 57.75mm in length with a center-to-cutting-edge distance of 10.43mm. Compatible with A2, A3, and A4 insert styles, it belongs to KENNAMETAL's Beyond Evolution series. Machinists and toolroom technicians install this head as part of a modular tooling system, swapping cutting units without disturbing the tool block setup.

This cutting unit head is used in production turning environments where repeatable cutoff and grooving performance is required. The left-hand orientation suits specific spindle directions or workholding configurations on CNC lathes and multi-spindle machines. The Beyond Evolution series modular system allows quick head changes, reducing downtime during insert replacement or when switching between cut widths. It is appropriate for both ferrous and non-ferrous materials depending on the insert grade selected.

Key Features

• Size 50 modular interface for secure, repeatable head-to-block seating
• 3mm maximum width of cut (0.118 inches) for precise parting and grooving
• 22mm maximum cutting depth suitable for medium-diameter workpieces
• Left-hand cutting orientation for specific machine and workholding setups
• Compatible with A2, A3, and A4 insert styles for flexible grade and geometry selection
• Part of the Beyond Evolution series modular cutoff system

Compatibility

Designed for use with the KENNAMETAL Beyond Evolution modular cutoff system. Accepts A2, A3, and A4 series inserts. Intended for Size 50 modular tool blocks within this series.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians. Before mounting or changing the cutting unit head, ensure the machine is fully powered down and locked out per facility LOTO procedures. Seat the modular head fully into the tool block before torquing the clamping mechanism, and verify center-to-cutting-edge alignment before resuming operation. Consult the KENNAMETAL Beyond Evolution assembly documentation for clamping specifications.