Guhring 9085100091300 Carbide Screw Machine Drill Bit

Product Description

The GUHRING 9085100091300 is a solid carbide screw machine length drill bit engineered for high-performance drilling in demanding materials. Built to DIN 6537 K standards, this Series 8510 bit features a 140-degree split point (VA point type) with web thinning to reduce thrust and improve centering on entry. The 2-flute spiral design with coolant-through capability makes it well suited for high-speed machining operations where heat management is critical. At 0.3594 inches (23/64) in diameter, it delivers tight m7 diameter tolerance, making it appropriate for precision hole work in production environments. Licensed machinists and tool-and-die professionals are the primary users.

This drill bit is designed primarily for use in titanium alloy workpieces, where a solid carbide substrate and coated finish are necessary to maintain cutting edge integrity under elevated temperatures and high cutting forces. The screw machine length format provides a shorter, stiffer geometry that reduces deflection in close-tolerance production drilling. With a flute-to-diameter ratio of 3xD and a maximum drilling depth of 1.311 inches (33.31 mm), it is suited to CNC machining centers and drill presses with through-spindle coolant delivery. Typical applications include aerospace component manufacturing, medical device production, and precision parts machining.

Key Features

• Solid carbide substrate rated for high-performance cutting in titanium alloy (Material Grade K40)
• 140-degree VA point with web thinning for reduced entry thrust and improved self-centering
• Coolant-through design supports high-speed drilling and chip evacuation in deep holes
• m7 diameter tolerance ensures consistent, repeatable hole sizing in precision applications
• Screw machine length geometry increases rigidity and reduces deflection versus jobber-length bits
• Meets DIN 6537 K specification for dimensional and performance consistency

Compatibility

Designed as a high-performance OEM-style replacement drill bit for CNC machining centers, drill presses, and production drilling setups equipped with straight-cylindrical shank tool holders and through-spindle coolant capability. Primary workpiece material compatibility is titanium alloy per Series 8510 application data.

Installation Notes

Installation and use should be performed by qualified machinists or tooling professionals familiar with carbide cutting tool handling. Before changing tooling, ensure the spindle is fully stopped and the machine is in a safe, locked-out state per applicable shop safety procedures. Carbide bits are brittle and should not be dropped or used in applications with interrupted cuts or excessive runout, as chipping or fracture can result. Always verify that the machine spindle and collet or chuck are clean and within tolerance before seating the straight-cylindrical shank.