Guhring 9002260031700 Stub Drill Bit 0.1248 in Hss

Product Description

The GUHRING 9002260031700 is a screw machine length (stub) high speed steel drill bit designed for short-hole drilling in cast iron and steel. At 0.1248 inches (1/8 inch) in diameter with a 118-degree point angle, this bit delivers accurate entry and controlled chip evacuation in tight-clearance applications. The left-hand cutting direction makes it well suited for bolt extraction work and reverse-rotation drilling setups. Web thinning reduces thrust load at the point, improving penetration in harder ferrous materials. Machinists and tool-and-die technicians working with screw machines, CNC lathes, and drill presses are the primary users of this series.

This drill bit fits production machining environments where stub-length tools are preferred for rigidity over standard or jobber-length bits. Its straight-cylindrical shank seats directly into standard drill chucks and collets without adapters. The bright uncoated finish makes it a general-purpose choice suited for use with cutting oils and water-soluble coolants on cast iron and steel workpieces. With a maximum drilling depth of 0.522 inches, this bit is optimized for through-holes and shallow blind holes in production and repair shop settings.

Key Features

• Left-hand cut for reverse-rotation drilling and broken fastener extraction
• 118-degree cone relief point with web thinning for reduced thrust in ferrous materials
• High speed steel (M2) construction for durability across general-purpose applications
• Stub length body increases rigidity and minimizes deflection in short-hole work
• Straight-cylindrical shank compatible with standard chucks and collets
• Bright uncoated finish suitable for use with cutting fluids on cast iron and steel

Compatibility

Designed as an OEM-style stub drill bit for use in screw machines, CNC lathes, and drill press setups requiring a 0.1248 inch left-hand cut bit with a straight-cylindrical shank. Primary workpiece materials are cast iron and steel per manufacturer specifications.

Installation Notes

Installation is performed by machinists or toolroom technicians. Ensure the machine spindle is fully stopped and the chuck or collet is de-energized before inserting or removing the bit. Secure the shank fully into the chuck or collet to the recommended grip depth before operation. Follow applicable shop safety standards and machine manufacturer guidelines for speed and feed rates when drilling ferrous materials.