Value Collection 01166040 Letter D Jobber Drill Bit Hss

Product Description

The VALUE COLLECTION 01166040 is a Letter D jobber-length drill bit manufactured from high speed steel (HSS) with a bright, uncoated finish. It carries a 118-degree standard point angle and is designed for general-purpose drilling in production and maintenance environments. The bit measures 4 inches overall length with a 2.75-inch flute length and a 0.2460-inch straight cylindrical shank. The two-flute regular spiral design promotes chip evacuation during drilling operations. Web thinning with a tapered web configuration reduces thrust and helps the point engage the workpiece cleanly. This bit is sized at Letter D, equivalent to 0.2460 inches decimal, making it a common selection for machinists, maintenance technicians, and fabricators working in light-duty drilling applications.

The 01166040 is suited for drilling aluminum and other non-ferrous materials in general-purpose shop, field, and maintenance applications. Its jobber-length profile fits standard drill chucks on bench drill presses, hand drills, and drill motors. The bright uncoated surface is appropriate for softer workpiece materials where coating is not required. This bit is sold individually and is intended for use where Letter D sizing is specified on drawings or in tooling tables.

Key Features

• Letter D size, 0.2460 inches decimal equivalent for precise hole sizing
• 118-degree standard point angle for general-purpose drilling
• High speed steel construction provides durability in non-ferrous and light-duty applications
• Bright uncoated finish suitable for aluminum and non-ferrous workpieces
• Web-thinned tapered web reduces drilling thrust and improves point engagement
• Right-hand cut, two-flute regular spiral for efficient chip removal

Compatibility

Designed as a general-purpose jobber drill bit compatible with standard 3-jaw drill chucks accepting a 0.2460-inch straight cylindrical shank, used in bench drill presses, hand drills, and drill motors across maintenance, fabrication, and machine shop applications.

Installation Notes

Installation of this drill bit is performed by machinists, maintenance technicians, and fabricators using standard drill chuck equipment. Secure the straight shank fully in the chuck jaws and verify the bit runs true before applying feed pressure. Ensure the workpiece is firmly fixtured before drilling to prevent movement. When drilling aluminum or non-ferrous materials, use appropriate cutting fluid or lubrication to extend bit life and improve hole finish.