Guhring 9006530037500 Screw Machine Drill Bit 3.75mm

Product Description

The GUHRING 9006530037500 is a stub-length screw machine drill bit designed for high-production drilling in cast iron and steel. Built from M2 high-speed steel with a web-thinned geometry, this bit delivers consistent hole quality in tight-clearance applications where a standard-length drill would be impractical. The 118-degree point angle and cone relief point provide accurate starting and clean entry without requiring a pilot hole in most setups. At 3.75 mm (0.1476 inches) in diameter with a 52 mm (2.05 inches) overall length, it fits standard drill chucks and quick-change tooling common in CNC screw machine and manual drill press work.

This bit is suited for use in screw machine operations, turret lathes, drill presses, and CNC machining centers where stub-length rigidity reduces deflection and improves hole position accuracy. Its two-flute spiral configuration and regular helix promote efficient chip evacuation in steel and cast iron. The straight cylindrical shank (3.75 mm, 0.1476 inches) accommodates standard collets and chucks. It conforms to DIN 1897, the international standard governing stub-length twist drills, making it a straightforward drop-in for metric tooling programs.

Key Features

• M2 high-speed steel construction rated for heavy-duty drilling in cast iron and steel
• Web-thinned point reduces thrust force and improves center accuracy at drill entry
• 118-degree cone relief point angle for general-purpose metal drilling
• Stub length (52 mm OAL) increases rigidity and minimizes deflection in short-reach applications
• Right-hand cut, two-flute spiral design for efficient chip removal
• DIN 1897 compliant with h8 diameter tolerance for precise fit in close-tolerance bores

Compatibility

Designed as a DIN 1897 stub-length replacement drill bit suitable for use with standard straight-shank chucks, collets, and quick-change drill holders accepting a 3.75 mm cylindrical shank.

Installation Notes

Installation and use should be performed by a qualified machinist or tooling technician. Ensure the spindle is fully stopped and the machine is powered down before changing tooling. Verify chuck or collet runout before use, as excessive runout will accelerate wear on a small-diameter drill. Always apply cutting fluid appropriate for the workpiece material when drilling steel to extend tool life and maintain hole quality.