Kennametal 1913478 Screw Machine Drill Bit 5.70 Mm

Product Description

The KENNAMETAL 1913478 is a solid carbide screw machine length drill bit designed for high-performance drilling in demanding production environments. Built to DIN 6537K standards and carrying a TiAlN coating, this bit delivers heat and wear resistance well-suited for ferrous materials. The 140-degree split point geometry reduces thrust and improves centering at entry. At 5.70 mm in diameter with a 66.00 mm overall length (approximately 2.60 inches), this is a compact, stub-length tool engineered for rigidity and precision. Machining professionals and toolroom technicians working in CNC or manual drilling operations will find this bit appropriate for production-volume applications.

This drill bit is intended for use in cast iron and steel workpieces. Its screw machine length profile makes it well-suited for short-reach applications in drill presses, CNC machining centers, and turret lathes where tool deflection must be minimized. The straight cylindrical shank accommodates standard drill chucks and collet systems. The B966A series designation and Dynapoint High Performance grade position this bit for applications where surface finish and hole geometry tolerance are critical process requirements.

Key Features

• TiAlN coating provides elevated thermal resistance for dry or near-dry machining in ferrous materials
• 140-degree point angle with web-thinned geometry reduces entry thrust and improves self-centering
• Solid carbide construction in KC7315 material grade for rigidity and tool life in hard or abrasive workpieces
• DIN 6537K specification compliance ensures dimensional consistency for interchangeable tooling setups
• 2-flute regular spiral design promotes chip evacuation in through-hole and blind-hole drilling
• Maximum drilling depth of 20.00 mm supports typical screw machine and short-reach CNC applications

Compatibility

Designed for use in cast iron and steel workpieces across the drill bit size range of 5.00 mm to 6.50 mm. Compatible with standard straight-shank drill chucks and collet systems accepting a 6.00 mm shank diameter. Part of the KENNAMETAL B966A series.

Installation Notes

Installation and tool changes should be performed only after the spindle has come to a complete stop and the machine has been locked out per applicable safety procedures. Ensure the chuck or collet is clean and free of chips before seating the shank. Confirm that feed rate and spindle speed are set to values appropriate for the workpiece material and bit diameter before beginning a cut. Coolant-through is not supported on this bit; verify that external coolant or lubrication strategy is compatible with the machining application.