Kennametal 6688347 Indexable Drill Body Kentip Fs 8xd

Product Description

The KENNAMETAL 6688347 is an indexable drill body with a straight cylindrical shank, designed for use in the KenTIP FS modular drilling system. It accepts interchangeable KenTIP FS drill tip inserts, allowing the body to be reused across multiple jobs while only the cutting tip is replaced. The body features a 1 inch shank diameter, an overall length of 246 mm, and a flute length of 161.50 mm, placing it in the 8xD depth-to-diameter category. Through-coolant capability is built in, supporting high-pressure coolant delivery directly to the cutting zone for improved chip evacuation and tool life in demanding materials.

This drill body is suited for production machining environments where consistent hole depth and diameter tolerances are required. The 8xD ratio makes it appropriate for deeper hole applications where a standard 3xD or 5xD drill would fall short. It is typically used in CNC machining centers and lathes equipped with coolant-through spindles. The straight cylindrical shank interfaces directly with standard collet chucks, hydraulic chucks, or shrink-fit toolholders sized for 1 inch shank diameters. Machinists and tooling engineers in metal fabrication, aerospace, and general manufacturing will find this body appropriate for medium-to-large diameter deep-hole drilling operations.

Key Features

• KenTIP FS modular system with KTFS toolholder style for quick tip changeover without removing the body from the spindle
• 8xD drill depth-to-diameter ratio for deep hole capability in a single pass
• Through-coolant construction for direct coolant delivery to the cutting edge
• 1 inch straight cylindrical shank compatible with standard collet, hydraulic, and shrink-fit toolholding
• 246 mm overall length with a 161.50 mm flute length and 56 mm shank length

Compatibility

Designed for use within the KENNAMETAL KenTIP FS modular drilling system, accepting KTFS-series interchangeable drill tips. Compatible with toolholders sized for a 1 inch straight cylindrical shank.

Installation Notes

Installation and setup should be performed by a qualified machinist or tooling technician. Ensure the machine spindle is fully stopped and locked out before mounting or removing the drill body. Verify that the toolholder bore is clean and free of chips before seating the shank, and confirm through-coolant passages are clear and unobstructed before running. Follow the machine tool manufacturer and KENNAMETAL guidelines for runout tolerances and clamping torque specifications for the specific toolholder type used.