Tungaloy 6985640 Indexable Insert Drill 1.937 in

Product Description

The TUNGALOY 6985640 is a 3xD indexable insert drill designed for general-purpose drilling operations in metal cutting applications. Built on the TDS-W series platform, this drill accepts WWMU-style inserts (size code 13X512) and features a whistle notch and flange shank with a 1.5-inch shank diameter. The body is constructed from steel and supports right-hand cutting. Coolant is delivered through an axial concentric entry system, keeping the cutting zone clear during deep drilling cycles. The drill carries two insert seats and is intended for use by machinists and toolroom professionals working on CNC turning centers and machining centers.

This drill is suited for production drilling environments where hole depths in the 3xD range are required. The 1.937-inch nominal drill diameter, combined with a maximum drill depth of 5.882 inches and an overall length of 10.745 inches, makes it a practical choice for medium-to-large bore drilling in steel, cast iron, and similar workpiece materials. It is compatible with TDSU-style drill bodies and uses a modular connection size of 1.5 inches.

Key Features

• 3xD depth-to-diameter ratio supports drilling up to 5.882 inches deep
• Accepts WWMU13X512 indexable inserts for easy insert changeout without removing the body
• Axial concentric coolant-through entry keeps chip evacuation efficient at depth
• Whistle notch and flange shank interface provides positive drive and accurate seating
• Right-hand cutting direction compatible with standard spindle rotation
• Steel body construction for rigidity in high-feed drilling applications

Compatibility

Compatible with TDSU drill body style and WWMU13X512 indexable inserts. Insert lock screw CSTB-5 is specified for this body. Modular connection size is 1.5 inches.

Installation Notes

Installation and tool setup should be performed by a qualified machinist or toolroom technician. Ensure the machine spindle is fully stopped and locked out before mounting or dismounting the drill body. Verify insert seating and torque the insert lock screw according to the toolholder manufacturer documentation before commencing any cut. Confirm coolant-through connections are properly engaged to maintain chip evacuation and insert life during operation.