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The GUHRING 9005010055600 is a taper length twist drill bit designed for general-purpose hole-making in metalworking applications. Built from high speed steel (HSS) with a bright, uncoated finish, this bit features a parabolic flute geometry and a web-thinned, parallel web configuration that reduces thrust force and improves chip evacuation. The 130-degree split point starts on contact without walking, reducing the need for a center punch on many materials. At 5.469 inches overall length with a 3.594-inch flute, it delivers the reach needed for deeper through-holes while maintaining rigidity. Licensed HVAC technicians, machinists, and maintenance professionals install this bit in standard drill presses and CNC drilling equipment.
This bit is suited for drilling aluminum alloy and steel in both production and maintenance environments. The parabolic flute with a 10xD flute-to-diameter ratio supports a maximum drilling depth of 3.254 inches, making it appropriate for taper-length drilling cycles where a jobber bit falls short. The cylindrical shank seats directly in standard drill chucks without adapter requirements. It conforms to DIN 340 specification, which governs taper length drill geometry and dimensional tolerances.
Designed as a DIN 340 taper length drill bit for use in standard drill presses, CNC drilling machines, and hand-held power drills equipped with a chuck accepting a 7/32-inch cylindrical shank. Rated for drilling aluminum alloy and steel.
Installation is performed by machinists, tool-and-die professionals, or qualified maintenance technicians. Secure the cylindrical shank fully in a properly sized drill chuck and verify runout before commencing drilling. Always power down and de-energize the machine before changing bits. Follow applicable machine guarding and PPE requirements per OSHA 1910.212 and the equipment manufacturer guidelines.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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