Guhring 9003050023800 Cobalt Jobber Drill Bit 3/32 in

Product Description

The GUHRING 9003050023800 is a cobalt jobber-length drill bit designed for general-purpose drilling in ferrous metals including cast iron and steel. Built to DIN 338 standards, it carries a 3/32 inch diameter with a 118-degree standard point angle and an oxide coating for added surface hardness and lubricity. The 2-flute spiral configuration with a regular helix and web-thinned, tapered web promotes clean chip evacuation and reduces thrust during entry. Licensed HVAC, plumbing, and electrical tradespeople routinely reach for cobalt-grade bits when drilling through boiler housings, electrical enclosures, and structural steel brackets where high-speed steel bits wear prematurely.

This bit fits residential and light commercial trade applications where tight tolerances and consistent hole geometry matter. With a maximum drilling depth of 1.041 inches and a straight-cylindrical shank sized at 3/32 inch, it seats reliably in standard keyed or keyless drill chucks. Primary workpiece materials are cast iron and steel. Series 305 positions this bit as a production-grade option suited to repetitive drilling tasks on the job or at a shop bench.

Key Features

• Cobalt construction with oxide coating for heat and wear resistance in ferrous metal drilling
• 118-degree standard point angle with web-thinned, tapered web for reduced entry thrust
• 2-flute regular spiral for efficient chip evacuation
• Right-hand cut with straight-cylindrical shank for universal chuck compatibility
• Built to DIN 338 specification for consistent dimensional tolerances
• Diameter tolerance of -0.014 to 0.000 mm for precise fit in close-tolerance applications

Compatibility

Designed as a general-purpose OEM-style jobber drill bit rated for cast iron and steel workpieces, compatible with any standard keyed or keyless drill chuck accepting a 3/32 inch straight-cylindrical shank.

Installation Notes

This bit is installed by machinists, fabricators, and trade technicians using standard bench drills, cordless drills, or drill presses. Secure the straight-cylindrical shank fully in the chuck before operation and confirm the workpiece is clamped or fixtured. Use cutting fluid or cutting oil when drilling steel to extend bit life and maintain hole quality. Inspect the cutting edges for wear after extended use in hard ferrous materials and replace before tolerance drift occurs.