Sumitomo U103764 Carbide Replaceable Tip Drill 3/4 in

Product Description

The SUMITOMO U103764 is a carbide replaceable-tip drill from the SMD series, designed for high-performance hole-making in cast iron and steel workpieces. The drill features a 140-degree included angle with an MTL-C insert geometry and a TiAlCr/TiSi PVD coating that extends cutting edge life under demanding conditions. At 3/4-inch diameter, it is built for through-coolant delivery, channeling fluid directly to the cutting zone to control heat and evacuate chips during deep-hole drilling operations. Machining professionals and tool-room technicians use this drill in production environments where consistent hole quality and tool longevity are critical.

This drill is suited for applications in ferrous materials, specifically cast iron and steel, where controlled chip formation and thermal management are required. The SMD series replaceable-tip design allows the carbide tip to be swapped without replacing the body, reducing tooling cost in high-volume drilling applications. It is appropriate for use in CNC machining centers equipped with through-spindle coolant capability.

Key Features

• 140-degree included angle optimized for cast iron and steel entry geometry
• MTL-C insert geometry for controlled chip formation in ferrous materials
• TiAlCr/TiSi PVD coating applied for heat resistance and extended tool life
• Through-coolant design channels fluid directly to the cutting edge
• Replaceable solid carbide tip reduces overall tooling cost per hole
• ACX70 manufacturer grade matched to P and K material groups

Compatibility

Designed for use with SUMITOMO SMD series drill bodies accepting MTL-C replaceable carbide tips. Primary workpiece material compatibility includes cast iron (ISO material group K) and steel (ISO material group P).

Installation Notes

Installation of replaceable-tip drills should be performed by a qualified machinist or tooling technician following the tool manufacturer's torque and seating procedures for the tip interface. Confirm the drill body and tip are free of chips or debris before seating the tip to ensure proper alignment and clamping. Through-coolant systems should be verified for correct pressure and flow rate before commencing drilling operations. Never run the tool without coolant flow when through-coolant operation is specified.