Chicago-latrobe 41714 Jobber Drill Bit Size 44 Hss Tin

Product Description

The CHICAGO-LATROBE 41714 is a jobber length drill bit in wire gauge size 44, measuring 0.0860 inches in decimal diameter. Built from high speed steel with a titanium nitride (TiN) coating, it delivers extended wear life and reduced friction during drilling operations. The 135-degree split point starts on contact without a center punch, while the web-thinned, tapered web design reduces thrust and improves chip evacuation. At 2.125 inches overall length with a 1.125-inch spiral flute, it is sized for precision work in tight clearances. This is a heavy-duty, high-performance bit meeting NAS 907 Type B standards.

This bit is suited for drilling cast iron, stainless steel, and carbon steel in production and maintenance environments. The right-hand, regular spiral flute pattern handles chip removal in materials that work-harden or produce stringy chips. Machinists, tool-and-die technicians, pipefitters, and industrial maintenance mechanics reach for this size when working with small-diameter fastener clearance holes, tapping operations, and precision assembly layouts. The straight-cylindrical shank seats cleanly in standard drill chucks and collets found on drill presses, CNC machines, and hand drills.

Key Features

• Wire gauge size 44, decimal diameter 0.0860 inches for precision small-bore applications
• TiN coating increases surface hardness and reduces built-up edge on ferrous materials
• 135-degree split point starts on contact, eliminating the need for a center punch
• Web-thinned tapered web reduces axial thrust and improves chip flow
• Right-hand regular spiral flute with 2-flute geometry for efficient chip evacuation
• Meets NAS 907 Type B specification for controlled dimensional tolerances

Compatibility

Designed for use in standard drill chucks and collets accepting a straight-cylindrical shank. Rated for primary workpiece materials including cast iron, stainless steel, and steel. Conforms to NAS 907 Type B specification.

Installation Notes

Install in a properly sized chuck or collet and confirm the shank is fully seated before operation. Use appropriate cutting fluid or coolant for stainless steel and hardened alloys to maintain edge life, as this bit is not rated for coolant-through delivery. Inspect the cutting edge before each use and replace if chipping or wear is visible, as a damaged split point will increase thrust and reduce hole quality. Secure the workpiece firmly to prevent walking on breakthrough.