Guhring 9055100050000 Screw Machine Drill Bit 0.1969in

Product Description

The GUHRING 9055100050000 is a solid carbide screw machine length drill bit designed for high-performance drilling in ferrous materials. The bit measures 5.00 mm (0.1969 inches) in diameter with an overall length of 66.00 mm and a flute length of 28.00 mm. The 140-degree split point (SU point type) with web thinning reduces entry force and improves centering accuracy. A straight-cylindrical shank at 6.00 mm diameter seats securely in standard chucks and collets. Coolant-through capability makes this bit well suited for production drilling environments where chip evacuation and tool life are critical. Licensed HVAC techs, machinists, and metalworking trades rely on this geometry for cast iron and steel applications.

This drill bit is intended for precision drilling in cast iron and steel workpieces at screw machine depth (3xD flute-to-diameter ratio, with a maximum drilling depth of 25.00 mm). The regular spiral, two-flute configuration with a parallel web and spiral flute geometry delivers consistent chip flow in tight-tolerance holes. It is commonly used in CNC machining centers, drill presses, and screw machine setups requiring repeatable hole quality in production or maintenance-repair environments. The DIN 6537K standard governs dimensional conformance for this series.

Key Features

• Solid carbide submicron-grade construction for extended tool life in hard and abrasive materials
• 140-degree SU point with web thinning for reduced thrust and self-centering entry
• Coolant-through design supports internal flood or mist cooling at the cutting edge
• Straight-cylindrical shank (6.00 mm) for compatibility with standard collets and chucks
• Regular spiral, two-flute geometry promotes efficient chip evacuation in steel and cast iron
• Conforms to DIN 6537K dimensional standard for predictable fit in tooling systems

Compatibility

Designed as an OEM-style replacement and direct-fit screw machine drill for applications requiring a 5.00 mm diameter solid carbide bit conforming to DIN 6537K. Primary workpiece materials listed by the manufacturer are cast iron and steel.

Installation Notes

Installation and use should be performed by a qualified machinist or tooling technician familiar with carbide cutting tools. Ensure the machine spindle and collet or chuck are clean and within tolerance before seating the straight-cylindrical shank, as carbide is brittle and sensitive to runout. Power down and lock out the machine before tool changes. Do not use this bit on interrupted cuts or with excessive feed rates beyond the machine and material specifications.