Hertel 83245936 Solid Carbide Jobber Drill Bit Letter K

Product Description

The HERTEL 83245936 is a solid carbide jobber-length drill bit sized to Letter K (0.2810 inches) with a 118-degree standard point angle. Built from C2-grade solid carbide with a bright finish, it is designed for general-purpose drilling in metal, plastics, and composite materials. The web-thinned, tapered web design reduces thrust at entry and improves chip evacuation. At 3.5 inches overall length with a 2.125-inch spiral flute, this bit fits standard drill chucks via its straight-cylindrical shank. Machinists and tool-room technicians use it in CNC machining centers, drill presses, and hand-held production drilling operations.

This bit is suited for general-purpose drilling applications in job shops, maintenance departments, and production environments. The right-hand cut and regular spiral flute geometry handle a wide range of workpiece materials. The straight-cylindrical shank at 0.2810 inches diameter fits directly into standard collets and Jacobs-style chucks without an adapter. It is a single-piece, individually packaged unit appropriate for toolcrib stock or point-of-use storage at the machine.

Key Features

• Solid carbide C2-grade construction for hardness and wear resistance compared to high-speed steel
• 118-degree standard point angle suitable for general-purpose drilling across common workpiece materials
• Web-thinned tapered web reduces entry thrust and supports cleaner hole initiation
• Bright (uncoated) finish — compatible with cutting fluids and standard dry drilling setups
• Right-hand cut with regular spiral flute for positive chip clearance
• Diameter tolerance of -0.0005 to 0.0000 inches for consistent, on-size hole production

Compatibility

Designed as a general-purpose replacement or stock drill bit for any application requiring a Letter K (0.2810-inch) jobber-length carbide bit with a straight-cylindrical shank. Fits within the 0.2500 to 0.3000 inch drill bit size range category.

Installation Notes

A qualified machinist or tool operator should install this bit into a properly sized collet or drill chuck, ensuring the shank is fully seated and the chuck is tightened to the tool manufacturer's specification. Secure the workpiece before drilling to prevent rotation or movement. Confirm spindle speed and feed rate are appropriate for the workpiece material and bit diameter before starting the cut. Do not use this bit for hammer drilling or percussion applications.