Kennametal 4149380 Solid Carbide Jobber Drill 11/16 in

Product Description

The KENNAMETAL 4149380 is a solid carbide jobber-length drill bit designed for high-performance hole-making in demanding materials. It features an 11/16 inch (0.6875 inch) cutting diameter, a 140-degree point angle for self-centering entry, and a multilayer TiAlN coating that extends tool life under high heat and abrasion. With an overall length of 5.63 inches and a flute length of 3.66 inches, this drill suits precision production drilling where dimensional accuracy and surface finish matter. Machinists, tool-and-die technicians, and CNC operators working in job shops or production facilities are the primary users of this tool.

This drill is engineered for use in steel, stainless steel, cast iron, aluminum, and other non-ferrous materials. The 5xD flute-to-diameter ratio and tapered web configuration make it well suited for deep-hole applications in machining centers and CNC drilling operations. Coolant-through capability supports high-feed, high-speed strategies where chip evacuation and heat management are critical to maintaining hole tolerance and tool life.

Key Features

• Solid carbide construction for rigidity and wear resistance in hard and abrasive materials
• Multilayer TiAlN coating for thermal protection and extended tool life
• 140-degree point angle promotes accurate self-centering entry and reduces thrust force
• Coolant-through design supports high-speed drilling and effective chip evacuation
• Right-hand cut with regular spiral flute geometry per DIN 6537K specification
• Straight cylindrical shank with 0.3125 inch shank diameter fits standard toolholders and chucks

Compatibility

Designed as an OEM-style solid carbide jobber drill conforming to DIN 6537K, compatible with standard straight-shank toolholders, drill chucks, and hydraulic or shrink-fit holders accepting a 0.3125 inch shank diameter.

Installation Notes

Installation and use of this drill bit should be performed by qualified machinists or CNC operators familiar with carbide tooling requirements. Ensure the machine spindle and toolholder are clean and free of runout before seating the shank, as carbide is brittle and sensitive to lateral shock loads. Confirm coolant-through passages are clear and that cutting parameters align with the workpiece material to prevent tool fracture. Always power down and lock out the machine before changing tooling.