Guhring 9002050039900 No.22 Hss Jobber Drill Bit

Product Description

The GUHRING 9002050039900 is a high speed steel jobber-length drill bit sized to wire gauge No. 22, with a decimal diameter of 0.1571 inches. It is built to DIN 338 standards and features an oxide coating over M2 HSS material for improved wear resistance and lubricity. The point is ground to 118 degrees with a standard point geometry and web thinning for easier penetration on entry. The spiral flute is a regular helix suited for general-purpose drilling in steel, aluminum, cast iron, and similar materials. This drill is installed and used by machinists, maintenance technicians, and trade professionals who need a reliable, close-tolerance jobber drill for production or repair work.

This drill bit is suited for general-purpose applications in metalworking, HVAC fabrication, plumbing, and electrical trades where a No. 22 wire-gauge hole is required. With an overall length of 75.00 mm and a flute length of 43.00 mm, it fits standard drill chucks with a straight cylindrical shank diameter of 3.99 mm. The right-hand cutting direction is compatible with conventional drill presses, hand drills, and CNC spindles. It is appropriate for light-duty production drilling and precision hole work where tight diameter tolerance is needed.

Key Features

• Wire gauge No. 22 diameter at 0.1571 inches with diameter tolerance of +0.000 to -0.018 mm
• M2 high speed steel construction with oxide coating for wear resistance
• 118-degree standard point with web thinning and tapered web configuration for reduced thrust
• Regular spiral flute with 5xD flute-to-diameter ratio for efficient chip evacuation
• Straight cylindrical shank fits standard drill chucks without adapters
• Conforms to DIN 338 specification for consistent geometry and interchangeability

Compatibility

Designed as a DIN 338-compliant jobber drill for use in any standard drill chuck or collet accepting a straight shank of 3.99 mm diameter, suitable for drill presses, hand drills, and CNC spindles.

Installation Notes

Secure the shank fully in the chuck and verify runout before drilling. Use cutting fluid or a suitable lubricant when drilling ferrous materials to extend tool life and maintain hole tolerance. Follow shop safety practices including eye protection and secure workholding. Replace the drill at the first sign of excessive heat discoloration, chipping, or oversized holes.