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The GUHRING 9055100102000 is a solid carbide screw machine length drill bit designed for high-performance drilling in demanding production environments. Built to DIN 6537 K standards, this right-hand-cut bit features a 140-degree split point with SU point geometry and web thinning for reduced thrust and cleaner entry. At 0.4016 inches (10.20 mm) in diameter, it runs a 2-flute spiral configuration with a straight-cylindrical shank measuring 12.00 mm and an overall length of 102.00 mm. Coolant-through capability makes it well suited for deep-hole operations where heat and chip evacuation are critical factors.
This drill bit is intended for use in CNC machining centers, screw machines, and production drilling applications where consistent hole quality and tool life are priorities. Primary workpiece materials include cast iron and steel. The 3xD flute-by-diameter ratio and 55.00 mm flute length support drilling to a maximum depth of 52.00 mm. Licensed machinists, tool-and-die professionals, and production floor technicians will encounter this bit in high-volume metal cutting setups where standard HSS tooling falls short.
Designed for use in cast iron and steel workpieces as stated by the manufacturer. Part of GUHRING Series 5510, covering drill bit diameters in the 9.50 mm to 11.00 mm range (0.4000 to 0.4500 decimal inch). Suitable for use in machine tool setups that accept a 12.00 mm straight-cylindrical shank.
Installation should be performed by a qualified machinist or tooling technician. Verify that the machine spindle and collet or chuck are clean and properly torqued before seating the shank. Confirm coolant-through supply lines are open and at adequate pressure before initiating a drilling cycle. Do not use this bit in hand-held drilling applications; it is designed exclusively for rigid machine tool setups.
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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