Kennametal 4149619 Taper Length Drill Bit No. 14

Product Description

The KENNAMETAL 4149619 is a solid carbide taper length drill bit engineered for precision drilling in demanding industrial and metalworking applications. Built to DIN 6537K specification, this bit uses a 140-degree standard point and a multilayer TiAlN coating to extend tool life at elevated cutting temperatures. The No. 14 wire size corresponds to a 0.182-inch (0.1820 in) diameter. At 87 mm (3.43 inches) overall length with a 49 mm (1.93 inches) spiral flute, this bit is designed for machinists, toolroom technicians, and CNC operators who need consistent hole geometry and tight tolerances in production environments.

This drill bit is suited for ferrous and non-ferrous metal drilling where extended reach and close-tolerance hole quality are required. The straight cylindrical shank with a 6 mm (0.2362 inch) diameter allows direct chuck mounting in standard drill chucks or collet systems. Coolant-through capability supports high-speed machining in applications where internal coolant delivery is available, helping to clear chips and manage heat in deep-hole operations up to 41 mm (1.614 inches) maximum drilling depth.

Key Features

• Solid carbide construction in material grade KC7325 for rigidity and wear resistance in hard materials
• Multilayer TiAlN coating resists heat buildup and oxidation at high cutting speeds
• 140-degree standard point angle reduces thrust force and improves hole entry accuracy
• Coolant-through design supports internal coolant delivery for deep-hole chip evacuation
• 8xD flute-length-to-diameter ratio provides extended reach with a tapered web configuration
• Right-hand spiral flute with DIN 6537K specification ensures predictable, repeatable geometry
• Tight diameter tolerance of -0.0005 to 0.0000 inches ensures close-fit hole quality

Compatibility

Designed as an OEM-style replacement for solid carbide taper length drill bits in the KENNAMETAL B053A-CPG series, compatible with standard straight-shank drill chucks and collet toolholders accepting a 6 mm shank diameter.

Installation Notes

Installation should be performed by qualified machinists or toolroom technicians following applicable shop safety procedures. Secure the straight shank firmly in a properly sized collet or drill chuck before operation to prevent runout. Ensure the machine spindle is fully stopped before inserting or removing the bit. When using coolant-through capability, verify that coolant pressure and flow rate are compatible with the machine spindle and toolholder before engaging the cut.