Value Collection 01000215 Aircraft Drill Bit 21/64 in Hss

Product Description

The VALUE COLLECTION 01000215 is a 21/64 inch (0.3281 inch decimal) aircraft extension drill bit designed for reaching into deep or obstructed work areas where a standard-length bit cannot. Built from high-speed steel with an oxide finish, it features a 135-degree split point that is self-centering and reduces walking on entry, making it well suited for precision hole starting without a center punch. The two-flute spiral design with a web-thinned, tapered web configuration promotes efficient chip evacuation during drilling. The straight cylindrical shank provides secure chuck engagement across common drill setups.

This bit is a general-purpose tool intended for metalworking, aviation maintenance, and fabrication applications where extended reach is required. The 6 inch overall length and 3-5/16 inch (3.3125 inch decimal) flute length make it particularly effective for drilling through structural panels, frames, and sheet metal in aircraft, automotive, and industrial assemblies. It is commonly used by aircraft mechanics, millwrights, and maintenance technicians who need reliable performance in confined or deep-bore situations. Right-hand cutting direction is standard for conventional drill press and handheld drill use.

Key Features

• 21/64 inch diameter with 0.3281 inch decimal equivalent for precise sizing
• 135-degree split point is self-centering and reduces bit walking on hard surfaces
• Web-thinned, tapered web construction improves penetration and reduces thrust required
• High-speed steel construction with oxide finish for durability in general-purpose metal drilling
• Extended 6 inch overall length provides reach into deep or restricted work areas
• Two-flute spiral design with right-hand cutting direction for standard drill compatibility

Compatibility

Designed as a general-purpose aircraft extension drill bit compatible with standard straight-cylindrical chuck setups on handheld drills and drill presses accepting a 21/64 inch shank diameter.

Installation Notes

Secure the straight cylindrical shank firmly in the drill chuck before use and verify there is no runout before beginning a cut. Power down and disconnect or de-energize any equipment being drilled into before starting work, following applicable shop safety and OSHA guidelines. Use appropriate cutting fluid or lubricant when drilling ferrous metals to extend bit life and improve cut quality. Wear appropriate eye protection and secure the workpiece to prevent movement during drilling.