Check the listing for details. KENNAMETAL KM50 MCLNL 19 MODULAR BORING HEAD. Condition: Used. Listed at 85.00 USD. This Kennametal KM50 MCLNL 19 Modular Boring Head is a top-quality toolholding accessory that allows for easy and precise workholding during metalworking and CNC manufacturing. Made in the United States and designed with a modular connection shank type, this adapter is perfect for use in a variety of boring head and adapter applications. The brand Kennametal is well-known for producing high-quality tools that are built to last, and this product is no exception. The taper size of this modular boring head is KM50, making it easy to use with a wide range of compatible tools. If you're looking for a reliable and efficient toolholding solution for your metalworking or CNC manufacturing needs, this Kennametal KM50 MCLNL 19 Modular Boring Head is the perfect choice.