Osg 8595745 Screw Machine Drill Bit 0.2933 in Hss

Product Description

The OSG 8595745 is a screw machine length drill bit designed for high-performance metal drilling in industrial and trade applications. Built from high speed steel with a coated finish, this bit features a 0.2933-inch (7.45 mm) diameter, a 120-degree faceted drill point, and a web-thinned, tapered web configuration for reduced thrust and cleaner entry. The straight-cylindrical shank measures 8.00 mm and seats securely in standard drill chucks. Two spiral flutes evacuate chips efficiently during operation. Machinists, tool-and-die technicians, and maintenance professionals use this bit for precise, repeatable hole-making in demanding materials.

The 8595745 is suited for drilling steel, stainless steel, aluminum, aluminum alloy, and aluminum silicate. Its screw machine length body, rated at a 5xD flute-to-diameter ratio, provides rigidity in tight-clearance applications such as drill press work, CNC machining centers, and manual turret lathes. The shorter overall length relative to jobber-length bits reduces deflection and improves hole location accuracy when working in confined setups or on thick-section material.

Key Features

• 0.2933-inch (7.45 mm) cutting diameter with a tolerance of +0 to -0.022 mm for consistent, accurate holes
• 120-degree faceted drill point with web-thinned, tapered web for reduced entry thrust
• High speed steel construction with coated finish for extended tool life on ferrous and non-ferrous materials
• 2-spiral flutes with regular helix geometry promote efficient chip evacuation
• Straight-cylindrical shank compatible with standard drill chucks and collet holders
• Screw machine length body (5xD ratio) delivers rigidity and reduced deflection in tight-clearance setups

Compatibility

Designed as a replacement or supplemental drill bit for applications requiring a 0.2933-inch diameter hole in steel, stainless steel, aluminum, aluminum alloy, or aluminum silicate workpieces. Part of OSG Series 1100 and sized within the 0.2500 to 0.3000 decimal inch range.

Installation Notes

This bit is installed by machinists and maintenance technicians using standard drill press, lathe turret, or CNC spindle equipment. Ensure the machine spindle is fully stopped and locked out before changing or inspecting tooling. Secure the shank fully in the chuck or collet before initiating a cut to prevent runout. Coolant-through is not supported on this bit; use external cutting fluid appropriate to the workpiece material when drilling stainless steel or hardened alloys.