Kennametal 1806729 Indexable Cutoff Toolholder Right Hand A3

Product Description

The KENNAMETAL 1806729 is a right-hand indexable cutoff toolholder designed for parting and grooving operations on CNC and manual lathes. Built to the A3 series standard, it accepts A2022 series inserts secured by a clamp-style holding method, delivering repeatable insert indexing without special tooling. The holder measures 5.0 inches in overall length with a square 0.5-inch shank height and 0.5-inch shank width. Maximum depth of cut is 0.3937 inches, and the holder is rated for workpieces up to 0.79 inches in diameter. At 0.22 pounds, it is a compact, rigid unit suited to small-diameter parting work on production or toolroom lathes.

This toolholder is intended for use in machine shops performing cutoff and grooving operations on small-diameter bar stock and turned components. The A3SC right-hand configuration positions the cutting edge for standard front-facing cutoff on engine lathes, CNC turning centers, and turret lathes. It is typically installed by machinists and tool-and-die professionals working with bar diameters at or below 0.79 inches. The clamp-style insert retention makes insert changes fast during production runs, reducing downtime when cycling through A2022 series insert grades for different materials.

Key Features

• Right-hand A3SC toolholder style for front-facing cutoff and grooving
• Accepts A2022 series indexable inserts with clamp-style retention
• Maximum depth of cut: 0.3937 inches
• Maximum workpiece diameter: 0.79 inches
• Compact 0.5 x 0.5 inch square shank fits standard tool blocks and turret stations
• No coolant-through feature — external coolant application required
• 5.0-inch overall length for standard tool post and turret mounting clearance

Compatibility

Designed for use with A2022 series indexable inserts (insert seat size 2, maximum insert width 0.0870 inches) as specified by KENNAMETAL for the A3 series. Cross-reference manufacturer number A3SCR/L080210 when sourcing compatible inserts or verifying fit.

Installation Notes

Installation should be performed by a qualified machinist with the lathe or turning center fully powered down and the spindle locked before seating or adjusting the toolholder. The shank must be fully engaged in the tool block or turret station and clamped to the machine manufacturer's specified torque using appropriate hex keys. Verify insert seating and clamp engagement before resuming cutting operations. Follow the machine tool manufacturer's guidelines for tool overhang and center-height alignment to avoid deflection and premature insert failure.