Guhring 9002230084300 Drill Bit Letter Q Hss 118 Point

Product Description

The GUHRING 9002230084300 is a screw machine length (stub) drill bit sized to Letter Q, equivalent to 0.3319 inches in diameter. It is manufactured from M2 high-speed steel with a coated finish and features a standard 118-degree split point with web thinning for reduced thrust on entry. The two-flute, right-hand spiral design produces clean holes in cast iron and steel at shortened overall lengths suited to confined-space drilling operations. With an overall length of 3.1102 inches and a straight-cylindrical shank, this bit seats directly in standard drill chucks and quick-change holders used in production and maintenance machining environments. It conforms to DIN 1897 standards.

This bit is intended for professional machinists, maintenance technicians, and metalworking tradespeople drilling cast iron and steel in production or repair contexts. The stub length format reduces deflection and improves rigidity compared to jobber-length equivalents, making it well suited to drill press, turret lathe, and CNC mill operations where short stick-out is required. The 3xD flute-to-diameter ratio and tapered web configuration help with chip evacuation at moderate depths up to 0.9590 inches.

Key Features

• Letter Q size — 0.3319 inch diameter with tolerance of +0.000 to -0.022 mm per DIN 1897
• M2 high-speed steel construction with coated finish for extended tool life on ferrous materials
• 118-degree standard point with web thinning reduces entry thrust and improves centering
• Stub (screw machine) length — 3.1102 inches OAL — improves rigidity in tight setups
• Straight-cylindrical shank at 0.3319 inch (8.43 mm) diameter fits standard chucks and holders
• Right-hand cut, two-flute spiral design rated for cast iron and steel primary workpiece materials

Compatibility

Designed for use in standard drill chucks and collet holders accepting a 0.3319 inch straight-cylindrical shank. Primary workpiece materials are cast iron and steel. No specific machine model compatibility was stated by the manufacturer for this SKU.

Installation Notes

Installation is performed by machining professionals familiar with drill press, lathe, or CNC equipment operation. Secure the shank fully in the chuck or collet before operation and verify runout before drilling. Coolant-through is not supported on this bit; apply cutting fluid externally when drilling steel to manage heat. Follow applicable shop safety practices and machine manufacturer guidelines for spindle speed and feed rate selection based on workpiece material.