Osg 8595151 Screw Machine Drill Bit 0.0595in Hss 53

Product Description

The OSG 8595151 is a screw machine length drill bit designed for high-performance drilling in metalworking applications. Built from high speed steel with a coated finish, it features a 0.0595-inch (wire size 53) diameter, a 140-degree faceted drill point, and a web-thinned, tapered web configuration that reduces thrust and improves chip evacuation. The straight-cylindrical shank measures 3.00 millimeters and fits standard drill chucks without adaptation. At 42.00 millimeters overall length with a 10.00-millimeter flute length, this stub-style bit is engineered for rigidity and accuracy in close-tolerance bores. Machinists, tool and die technicians, and precision fabricators are the primary users of this type of tooling.

This drill bit is suited for drilling steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate in production and job-shop environments. The screw machine length format provides a shorter, stiffer profile compared to jobber-length bits, making it well suited for CNC machining centers, drill presses, and turret lathes where runout control and hole location accuracy are critical. The 5xD flute-to-diameter ratio and regular spiral flute geometry support consistent chip clearance across these materials.

Key Features

• Wire size 53 diameter: 0.0595 inches with a tight tolerance of plus 0 to minus 0.014 mm
• 140-degree faceted point with web thinning reduces entry thrust and improves self-centering
• High speed steel construction with coated finish for extended tool life in ferrous and non-ferrous metals
• Screw machine length body for increased rigidity and reduced deflection in short-reach applications
• Right-hand cut, 2-flute spiral design promotes efficient chip evacuation
• No coolant-through requirement simplifies setup on standard drill presses and machining centers

Compatibility

The OSG 8595151 is part of OSG Series 1100 and is rated for use in steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate workpiece materials. Specific machine compatibility is dependent on chuck capacity and spindle speed settings appropriate for a 3.00-millimeter straight-cylindrical shank.

Installation Notes

This bit is installed by a machinist or tooling technician using a standard drill chuck or collet that accommodates a 3.00-millimeter shank. Verify spindle speed and feed rate are appropriate for the workpiece material and bit diameter before beginning a cut. Secure the workpiece fully before drilling to prevent movement that can break small-diameter bits. Inspect the cutting edges for wear or chipping before each use, as small-diameter high speed steel tooling is susceptible to damage from improper feeds or interrupted cuts.