Precision Twist Drill 6001448 No. 41 Hss Aircraft Drill

Product Description

The PRECISION TWIST DRILL 6001448 is a No. 41 wire-size high speed steel aircraft extension drill bit designed for precision drilling in metal, composites, and other materials common to aerospace and general industrial applications. Built to Series 501-6 specifications and compliant with NAS 907 Type B standards, this bit features a 135-degree split point that is self-centering, reducing the need for a center punch and minimizing walking on entry. The oxide finish provides corrosion resistance and reduces friction during cutting. At 0.096 inches in diameter with a 1.375-inch flute length, it is suited for tight-clearance work where a standard-length bit cannot reach.

This drill bit is intended for use in professional metalworking, aerospace maintenance, and general manufacturing environments. The extended reach and straight-cylindrical shank make it compatible with standard drill chucks and extensions used in aircraft structural repair, sheet metal fabrication, and production line drilling. The right-hand spiral flute with tapered web and web-thinned geometry promotes efficient chip evacuation in deep or blind holes. It is sold individually and is appropriate for use with both handheld and drill-press setups wherever a No. 41 wire-gauge diameter is specified.

Key Features

• No. 41 wire size, 0.096-inch diameter with 4xD flute-to-diameter ratio for extended reach
• 135-degree split point geometry is self-centering and reduces entry force
• High speed steel construction for durability across a broad range of materials
• Oxide finish reduces friction and provides surface corrosion resistance
• Two-flute spiral design with tapered, web-thinned web for improved chip clearance
• Meets NAS 907 Type B standard for aircraft-grade drilling applications

Compatibility

Designed as an OEM-style replacement and standard-use drill bit for applications requiring a No. 41 wire-size diameter, conforming to NAS 907 Type B specifications for aircraft extension drilling.

Installation Notes

Installation and use of this drill bit should be performed by qualified machinists, aircraft maintenance technicians, or sheet metal tradespeople familiar with proper drilling technique for the material being worked. Secure the workpiece before drilling and ensure the drill is properly seated in the chuck before operation. Use appropriate cutting fluid when drilling ferrous metals to extend tool life and improve hole quality. Always wear appropriate eye protection and follow applicable workplace safety standards.