Titan Usa SD91445 Reduced Shank Drill Bit 45/64 in Hss

Product Description

The TITAN USA SD91445 is a reduced shank twist drill bit engineered for drilling through metals and other tough materials in production and job-site environments. Built from high-speed steel (HSS), it delivers reliable hardness and heat resistance under continuous cutting loads. The bit features a 45/64 inch (0.7031 inch decimal) cutting diameter paired with a 1/2 inch reduced shank, allowing it to seat in standard 1/2 inch chucks without requiring a larger chuck size. The 118-degree split-point angle promotes clean entry and reduces walking on flat surfaces. With a 6 inch overall length and 3 inch flute length, it provides adequate reach for most structural and mechanical drilling applications.

This drill bit is suited for use in machine shops, maintenance facilities, and fabrication environments where larger-diameter holes are required through steel plate, structural members, or similar workpieces. The reduced shank design makes it compatible with drill presses, magnetic base drills, and portable electric drills equipped with a standard 1/2 inch chuck. It is a practical choice for millwrights, machinists, pipefitters, and general maintenance mechanics who need a large-diameter bit without upgrading to a larger chuck.

Key Features

• 45/64 inch cutting diameter (0.7031 inch decimal) for large-bore hole applications
• 1/2 inch reduced shank fits standard 1/2 inch drill chucks
• 118-degree point angle for general-purpose drilling in metal and similar materials
• High-speed steel construction resists heat buildup during extended cuts
• Bright/uncoated finish — compatible with cutting oils and coolants
• 2-flute design promotes chip evacuation through the full 3 inch flute length

Compatibility

Designed as a general-purpose reduced shank drill bit for use with 1/2 inch keyless or keyed chucks on drill presses and handheld electric drills. No specific OEM or model compatibility was stated in the product data.

Installation Notes

Install and secure the 1/2 inch reduced shank fully into the chuck jaws before operation. Ensure the workpiece is clamped or fixtured to prevent rotation during drilling. Use an appropriate cutting fluid or oil when drilling ferrous metals to extend bit life and reduce heat. Inspect the cutting edges for wear before each use and replace when the tip shows signs of chipping or dulling.