Chicago-latrobe 46714 Cobalt Drill Bit No 44 135 Degree

Product Description

The CHICAGO-LATROBE 46714 is a cobalt jobber length drill bit designed for high-performance drilling in hard and abrasive materials. Sized to wire gauge No. 44 (0.0860 inches decimal), this bit features a 135-degree split point that reduces walking and requires no center punch on most surfaces. The gold oxide coating improves lubricity and heat resistance during cutting. Built to Series 550 standards and conforming to DIN 338 and NAS 907 Type J specifications, this is a heavy-duty tool suited for production and maintenance drilling applications. It is installed and used by machinists, HVAC technicians, plumbers, electricians, and other trades requiring precision small-diameter drilling in tough base materials.

The 46714 is engineered for drilling titanium and other high-strength metals where standard high-speed steel bits fall short. The M42 cobalt alloy construction handles elevated cutting temperatures without losing hardness. With a 2-1/8-inch overall length and 1-1/8-inch flute length, this bit is suited for typical jobber-depth holes in sheet stock, structural members, and mechanical assemblies. The straight cylindrical shank fits standard drill chucks across corded and cordless platforms. Right-hand spiral flute geometry clears chips efficiently during through-hole and blind-hole operations.

Key Features

• M42 cobalt alloy construction maintains hardness at elevated cutting temperatures
• 135-degree split point reduces thrust and eliminates walking without a center punch
• Gold oxide coating improves lubricity and extends tool life in hard materials
• Web-thinned, tapered web configuration reduces cutting resistance
• Meets DIN 338 and NAS 907 Type J standards for heavy-duty drilling
• Regular spiral, right-hand flute geometry for efficient chip evacuation

Compatibility

Designed for use in any standard drill chuck accepting a 0.0860-inch straight cylindrical shank. Optimized for drilling titanium and similarly hard or work-hardening metals; suitable for other ferrous and non-ferrous materials requiring a heavy-duty cobalt bit in the No. 44 wire size range.

Installation Notes

This bit is intended for use by machinists and trade professionals operating drill presses, hand drills, or CNC equipment. Secure the shank fully in the chuck and verify runout before cutting. Use appropriate cutting fluid when drilling titanium or other hard alloys to extend tool life and maintain dimensional tolerance. Inspect the cutting edges before each use and replace the bit if chipping or wear is observed.