YG-1 DTX408038 Solid Carbide Jobber Drill 3.80 Mm

Product Description

The YG-1 DTX408038 is a solid carbide jobber-length drill bit designed for precision drilling in steel and other ferrous materials. It features a 3.80 mm (0.1497 inch) diameter, a 140-degree self-centering point, and a right-hand regular spiral flute geometry with R-thinned web for reduced thrust at entry. The overall length is 74.00 mm (2.9156 inches) with a 36.00 mm (1.4184 inch) flute length. Coolant-through capability supports high-performance drilling applications where heat management is critical. This bit is part of the Series DH408 line and is intended for use by machinists and trade professionals working on production or maintenance drilling operations.

The DTX408038 is suited for general-purpose drilling in steel workplaces, including fabrication shops, mechanical contractors, and maintenance operations. Its 9xD flute-to-diameter ratio provides good chip evacuation in deeper holes. The straight cylindrical shank with a 6 mm shank diameter fits standard drill chucks without adapters, making it compatible with a wide range of drill presses, CNC machining centers, and hand-held power tools used in trade and industrial settings.

Key Features

• Solid carbide construction for extended tool life in steel and ferrous materials
• 140-degree self-centering point reduces the need for a center punch on flat stock
• R-thinned web reduces cutting thrust and improves penetration efficiency
• Coolant-through design supports high-speed and deep-hole drilling
• Right-hand regular spiral flute with tapered web for consistent chip evacuation
• Diameter tolerance h6 ensures close-tolerance hole quality

Compatibility

Designed as a general-purpose replacement or production drill bit for applications drilling steel workpieces, fitting standard chucks accepting a 6 mm straight cylindrical shank within the 3.00 mm to 4.00 mm drill bit size range.

Installation Notes

This drill bit is installed by machinists and tool operators into standard drill chucks or collet systems on drill presses, CNC machining centers, or handheld power tools. Ensure the machine is powered off and locked out before changing tooling. Verify chuck or collet rated capacity matches the 6 mm shank diameter before securing. When using coolant-through capability, confirm the machine spindle is equipped with internal coolant delivery before operating at elevated speeds.