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The SGS 56506 is a taper length drill bit engineered for high-performance drilling in a wide range of materials. Built from micrograin solid carbide and finished with a Ti-NAMITE-X (TX) coating, it delivers extended tool life and heat resistance in demanding production environments. The 135-degree split point reduces walking and allows faster penetration with less thrust. At 11/16 inch in diameter with an 8xD flute-to-diameter ratio, this bit is sized for deep-hole applications where standard-length drills fall short. Licensed machinists, tool-and-die professionals, and precision fabricators are the primary users of this series.
The SGS 56506 fits production machining and job-shop environments where consistent hole geometry and tight tolerances are required. Its cylindrical straight shank seats in standard drill chucks and collet holders on CNC machining centers, drill presses, and manual lathes. The universal material-application rating makes it suitable for steel, stainless, aluminum, and cast iron when run at appropriate speeds and feeds. Coolant-through capability supports chip evacuation in deep-hole passes, reducing recutting and bit deflection. Web thinning at the point further reduces entry thrust and improves chip flow at the cutting edge.
Designed as an OEM-style taper length drill bit for use in standard drill chucks and collet holders accepting a straight cylindrical shank in CNC and manual machining applications.
Installation and use of carbide drill bits should be performed by qualified machinists familiar with speeds, feeds, and workholding requirements for solid carbide tooling. Secure the shank fully in a collet or drill chuck rated for the shank diameter before operation. Ensure the machine spindle is fully stopped before inserting or removing the bit. When running coolant-through, confirm the machine coolant system pressure is compatible with the toolholder and spindle before engaging the coolant circuit.
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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