Osg 220-0935 Jobber Drill Bit No. 42 Solid Carbide

Product Description

The OSG 220-0935 is a solid carbide jobber-length drill bit designed for precision drilling in demanding shop and field applications. Ground to a No. 42 wire gauge size, it produces a 0.0935-inch (2.38 mm) diameter hole with a 118-degree web-thinned point that promotes self-centering and reduces thrust. The overall length is 2 inches, with a 1-inch spiral flute length and a straight-cylindrical shank. Bright/uncoated finish is standard. This bit is suited for machinists, toolroom techs, and maintenance professionals running manual or CNC drilling operations.

The 220-0935 fits general-purpose drilling applications across a broad range of workpiece materials. Its regular spiral geometry and two-flute configuration handle blind hole, cross hole, and through-hole drilling in production and repair environments. The web-thinned, tapered web design reduces cutting resistance, making it effective in both benchtop drill presses and hand-held operations where a No. 42 wire-size bore is required.

Key Features

• Solid carbide construction for rigidity and wear resistance in hard and abrasive materials
• 118-degree web-thinned point with tapered web for self-centering entry
• Right-hand cutting direction with regular spiral flute geometry
• Straight-cylindrical shank for standard chuck compatibility
• Bright/uncoated finish suitable for dry cutting and light coolant environments
• Diameter tolerance held to +0 to -0.013 mm for consistent hole sizing

Compatibility

Rated for use in steel, alloy steel, stainless steel, cast iron, aluminum, aluminum alloy, and aluminum silicate workpiece materials (workpiece material codes P, M, K, N). Designed as a general-purpose replacement or production drill for any application requiring a No. 42 wire-size, 0.0935-inch diameter hole.

Installation Notes

Installation and use should be performed by qualified machinists or maintenance technicians familiar with rotating cutting tools. Secure the straight-cylindrical shank fully in a properly sized drill chuck before operation. Inspect the cutting edges for chips or wear before each use, as carbide is brittle and can fracture if run at incorrect speeds or feeds. Always follow machine manufacturer guidelines for spindle speed and feed rate when drilling with solid carbide tooling.