Guhring 9024630065000 Carbide Stub Drill Bit 0.2559in

Product Description

The GUHRING 9024630065000 is a solid carbide stub-length (screw machine length) drill bit designed for precision drilling in aluminum and other non-ferrous materials. The bit measures 6.50mm (0.2559 inches) in diameter with an overall length of 70.00mm (2.7560 inches) and a flute length of 31.00mm (1.2200 inches). It features a 118-degree faceted point angle, web-thinned geometry, and a coated finish to reduce built-up edge and extend tool life. Two regular spiral flutes evacuate chips efficiently in short-depth applications. Licensed HVAC, plumbing, and mechanical contractors as well as machinists and fabricators install this bit in handheld or machine spindle applications where a compact tool length improves rigidity.

This stub-length drill bit is suited for production drilling and general-purpose applications where a shorter tool-to-spindle distance reduces deflection. Primary workpiece material is aluminum, though general-purpose performance extends to softer metals and plastics. The straight-cylindrical shank fits standard drill chucks and collet holders sized for 6.50mm shanks. Maximum recommended drilling depth is 21.25mm (0.8370 inches), consistent with the 3xD flute-to-diameter ratio. Series 2463 is manufactured to DIN 6539 standards with a material grade of K40 carbide.

Key Features

• Solid carbide K40 grade construction for hardness and wear resistance in non-ferrous machining
• 118-degree faceted point with web-thinned geometry for reduced thrust and accurate hole entry
• Coated finish minimizes built-up edge and extends tool life in aluminum applications
• Stub length (3xD) design improves rigidity and reduces deflection versus jobber-length bits
• Right-hand cut, two-flute spiral configuration for efficient chip evacuation
• Manufactured to DIN 6539 standard with diameter tolerance of +0.000 to -0.010mm

Compatibility

Designed as a general-purpose stub-length drill bit compatible with standard drill chucks and collet holders accepting a 6.50mm straight-cylindrical shank. Optimized for aluminum as the primary workpiece material per Series 2463 specifications.

Installation Notes

This bit is installed by machinists, toolmakers, or mechanical trade professionals using standard drill press, CNC machining center, or handheld drill equipment. Ensure the workpiece is securely clamped and the spindle speed is set appropriately for the workpiece material and bit diameter before beginning drilling. Inspect the cutting edges for wear or chipping before each use, as solid carbide is brittle and susceptible to damage from improper handling or interrupted cuts. Coolant-through is not supported on this bit; apply flood or mist coolant externally when required by the application.