Guhring 9005150012000 Drill Bit 0.0472 in Stub Length

Product Description

The GUHRING 9005150012000 is a stub-length (screw machine length) twist drill bit designed for precision drilling in cast iron and steel. Built from powdered metal (PMASP60 grade) with a coated finish, this bit features a 130-degree split point angle and a parabolic flute design that improves chip evacuation and reduces heat buildup during cutting. The straight-cylindrical shank measures 0.0472 inches in diameter, matching the drill diameter for consistent tool holding. Web-thinned construction reduces entry force, making it well suited for high-production environments where cycle time and hole quality matter. Manufactured to DIN 1897 specification for stub-length drills.

This drill bit is intended for use in screw machine operations, CNC drilling, and short-hole applications where rigidity and accuracy are priorities. Its stub length reduces deflection compared to jobber-length bits, making it effective in tight workpiece setups or on turret-style lathes and machining centers. Primary workpiece materials include cast iron and steel. The parabolic flute geometry supports efficient chip removal without coolant-through capability, keeping the tool profile simple for standard drill chucks and collet holders.

Key Features

• Powdered metal construction (PMASP60) for wear resistance in ferrous materials
• 130-degree drill point angle with web-thinned tip for reduced thrust and cleaner entry
• Parabolic flute design promotes chip evacuation in cast iron and steel
• Stub (screw machine) length minimizes deflection for improved hole straightness
• Straight-cylindrical shank fits standard drill chucks and collet systems
• Manufactured to DIN 1897 specification for consistent dimensional accuracy

Compatibility

Designed as an OEM-style stub-length drill bit conforming to DIN 1897, suitable for standard drill chucks and collet holders accepting a 0.0472-inch straight-cylindrical shank in screw machine and CNC drilling applications.

Installation Notes

Installation and use should be performed by qualified machinists or tool-and-die professionals familiar with cutting tool selection and machine setup. Ensure the spindle and chuck or collet are fully de-energized and at a complete stop before inserting or removing the bit. Verify chuck or collet runout is within acceptable tolerances for the drill diameter to avoid premature bit breakage at this small diameter. Follow applicable shop safety procedures and machine manufacturer guidelines for speed and feed selection.