Chicago-latrobe 47250 Jobber Drill Bit 2.35 Mm Hss

Product Description

The CHICAGO-LATROBE 47250 is a jobber-length drill bit designed for general-purpose drilling in cast iron and steel. It is manufactured from high speed steel with an oxide coating to reduce friction and extend tool life in production and maintenance applications. The bit measures 2.35 mm in diameter (0.0925 inches) and has an overall length of 53 mm (approximately 2.087 inches). The 118-degree standard point angle suits a wide range of common ferrous materials. This bit is a standard selection for machinists, maintenance technicians, and metalworkers who need a reliable, small-diameter drill for repetitive hole-making tasks.

The 47250 fits into general-purpose metalworking operations where small-diameter precision holes are required in cast iron or steel workpieces. It is suited for both bench drill presses and handheld electric drills in shop maintenance, fabrication, and light production environments. The straight-cylindrical shank provides secure chuck engagement in standard 3-jaw drill chucks. Its jobber length proportions balance rigidity and reach for typical through-hole and blind-hole work in metal components.

Key Features

• High speed steel construction for durability in ferrous materials including cast iron and steel
• Oxide finish reduces friction at the cutting edge and provides mild corrosion resistance
• 118-degree standard point angle for general-purpose entry into common metals
• Regular spiral flute with 2-flute geometry promotes chip evacuation in through-hole drilling
• Web-thinned, tapered web design reduces thrust force required at the drill point
• Straight-cylindrical shank fits standard drill chucks without adapters
• Conforms to DIN 338 specification for consistent dimensional tolerances

Compatibility

Designed as a DIN 338 Series 150 general-purpose jobber-length drill bit compatible with standard 3-jaw drill chucks and collet holders accepting a 0.0925-inch straight-cylindrical shank diameter. Intended for use in cast iron and steel workpieces as stated in product specifications.

Installation Notes

This drill bit is installed by machinists and maintenance technicians using standard drill press or hand drill equipment. Ensure the drill chuck is fully tightened and the workpiece is securely clamped before operation. Cutting fluid or coolant is recommended when drilling steel to extend bit life and maintain dimensional accuracy, though the bit does not support through-coolant delivery. Inspect the cutting edges for wear before each use; a dull or chipped tip on a small-diameter bit can cause breakage.