Guhring 9003170030000 Taper Length Drill Bit 3mm

Product Description

The GUHRING 9003170030000 is a taper length twist drill bit engineered for precision drilling in ferrous and hard materials. Built from HSS-E cobalt steel and finished with a black oxide coating, it delivers increased heat resistance and extended tool life compared to standard HSS bits. The 118-degree split point geometry initiates cutting with minimal walking, reducing the need for center punching. This bit is suited for use in drill presses, CNC machining centers, and hand-held power drills where consistent, repeatable hole quality is required. Machinists, tool-and-die makers, and maintenance technicians working with steel, stainless, and alloy materials are the primary users.

This drill bit is designed for taper-length applications where a longer flute-to-diameter ratio is needed to reach greater drilling depths without tool change. The 10xD flute-length-to-diameter ratio makes it well suited for through-hole operations in medium-thickness workpieces. The straight cylindrical shank allows direct chuck mounting in standard Jacobs-style or keyless chucks. It is appropriate for both production environments and job-shop maintenance work involving mild steel, stainless alloys, and similar materials.

Key Features

• HSS-E cobalt construction for improved hardness and heat resistance over standard HSS
• Black oxide coating reduces friction and provides corrosion resistance during storage
• 118-degree standard point angle with web-thinned geometry for clean entry and reduced thrust
• Tapered web configuration adds rigidity along the flute length
• 10xD flute-to-diameter ratio supports deeper drilling without retraction
• Right-hand spiral flute evacuates chips efficiently in typical drilling operations

Compatibility

Designed as an OEM-style replacement or direct-use taper length drill bit for standard 3 mm straight-shank chuck applications in drill presses, machining centers, and handheld power tools.

Installation Notes

Installation and use of this drill bit should be performed by machinists or qualified maintenance personnel familiar with cutting tool selection and speeds-and-feeds practices. Ensure the machine spindle is fully stopped and the chuck is secure before inserting or removing the bit. Select appropriate cutting speed and feed rate based on workpiece material to avoid premature wear or breakage. Eye protection and appropriate PPE should be worn during all drilling operations.