Guhring 9002050040500 Jobber Drill 4.05mm Hss

Product Description

The GUHRING 9002050040500 is a jobber-length twist drill bit ground to DIN 338 specification and suited for general-purpose drilling in metal, wood, and plastic. The bit is manufactured from M2 high speed steel with an oxide coating that provides light corrosion resistance and reduces friction during cutting. It features a 118-degree standard point angle, a web-thinned and tapered-web geometry for easier entry, and a regular spiral flute in a right-hand cutting direction. The straight-cylindrical shank measures 4.05 mm (0.1594 inches) in diameter and seats directly into standard drill chucks and collets. This drill is sized at 4.05 mm (0.1594 inches) and is a working tool for machinists, maintenance technicians, and metal fabricators.

This jobber drill is intended for light to medium drilling operations in production, maintenance, and repair environments. The 4.05 mm diameter places it in the 0.1500 to 0.2000 decimal-inch size range, making it useful for tapping prep holes, clearance holes, and general metalworking tasks on manual drill presses, CNC machines, and handheld power drills. The overall length of 75 mm (approximately 2.95 inches) and flute length of 43 mm (approximately 1.69 inches) are consistent with standard jobber proportions, giving balanced reach without excessive deflection.

Key Features

• M2 high speed steel construction for durability in general-purpose metal drilling
• Oxide coating reduces friction and provides light corrosion resistance
• 118-degree standard point angle for broad material compatibility
• Web-thinned, tapered-web geometry improves penetration and reduces thrust force
• DIN 338 specification ensures dimensional consistency
• Right-hand, regular spiral flute with straight-cylindrical shank for universal chuck compatibility

Compatibility

Designed as a DIN 338 jobber-length drill bit compatible with standard drill chucks, collets, and tool holders accepting a 4.05 mm straight-cylindrical shank.

Installation Notes

Installation and use should follow standard machine shop safety practices. Secure the shank fully in the chuck or collet before operation and verify runout before drilling critical-tolerance holes. Use appropriate cutting fluid for the workpiece material to extend tool life. Diameter tolerance is +0.000 to -0.018 mm, so verify fit when drilling to close tolerances.