Guhring 9006580019300 Cobalt Jobber Drill Bit 48

Product Description

The GUHRING 9006580019300 is a cobalt jobber-length drill bit sized at wire gauge 48 (0.0760 inches decimal) with a 130-degree split point. Designed for high-performance drilling in demanding materials, it features a titanium nitride (TiN) coating over a cobalt steel body for extended tool life and heat resistance. The parabolic flute geometry promotes efficient chip evacuation, and the web-thinned, tapered web reduces entry resistance. Overall length is 1-15/16 inches with a straight-cylindrical shank. This bit is suited for machinists, toolroom technicians, and precision fabricators working on production or maintenance drilling applications.

This drill bit is built for use in cast iron and steel workpieces, conforming to DIN 338 standards. The Series 658 designation places it in a high-performance cobalt lineup intended for situations where standard HSS bits lose cutting edge too quickly due to heat or abrasion. Typical applications include close-tolerance hole drilling in ferrous metals in shop, manufacturing, and field maintenance environments. Maximum drilling depth is 0.831 inches (21.11 mm). Sold individually with a minimum order quantity of 10 units.

Key Features

• Wire gauge 48 diameter — 0.0760 inches decimal for close-tolerance work
• Cobalt steel construction with TiN coating for heat and wear resistance
• 130-degree split point reduces walking and improves penetration in hard materials
• Parabolic flute design for fast chip evacuation and reduced clogging
• Web-thinned tapered web lowers thrust requirements at entry
• Conforms to DIN 338 specification for consistent dimensional quality

Compatibility

Designed for drilling cast iron and steel workpieces. Primary workpiece material codes K and P per DIN classification. Compatible with standard drill chucks and collets accepting a 0.0760-inch straight-cylindrical shank.

Installation Notes

Install in a keyed or keyless drill chuck, collet holder, or CNC spindle rated for the shank diameter before powering on the machine. Secure workpieces firmly before drilling to prevent bit deflection at this small diameter. Use cutting fluid or coolant appropriate for the workpiece material to supplement the TiN coating and extend bit life. Inspect the cutting edge before each use — cobalt bits at this diameter are susceptible to chipping if forced or run at excessive feed rates.