Hertel 61699344 Screw Machine Drill Bit 9/16 in Hss

Product Description

The HERTEL 61699344 is a screw machine length drill bit designed for high-speed drilling in metal, wood, and general-purpose materials. It features a 9/16 inch diameter, a 118-degree standard point angle, and a high-speed steel (HSS) construction with an oxide coating for improved lubricity and surface protection. The shortened overall length of 4 inches makes it well suited for drilling in tight or restricted spaces where a jobber-length bit would be impractical. It is installed and used by machinists, maintenance technicians, pipefitters, and general trade professionals who work with drill presses, lathes, or hand-held power tools.

This drill bit fits standard screw machine and drill press applications in residential, commercial, and light industrial settings. The straight cylindrical shank seats directly into standard drill chucks without modification. The regular right-hand spiral flute design provides consistent chip evacuation during through-hole and blind-hole drilling operations. It is well suited for repetitive production drilling where a compact, rigid bit is preferred over full jobber length.

Key Features

• 9/16 inch diameter with 0.5625 decimal inch precision sizing
• 118-degree standard point angle for general-purpose drilling
• High-speed steel construction rated for metal and multi-material use
• Oxide coating reduces friction and improves tool life
• Screw machine length at 4 inches OAL for rigid, low-deflection performance in tight spaces
• 2-flute regular spiral design promotes clean chip removal

Compatibility

Designed as a general-purpose screw machine length drill bit compatible with standard drill chucks accepting straight cylindrical shanks. Conforms to ANSI specification designation and fits within the 0.5000 to 0.6000 decimal inch drill bit size range.

Installation Notes

Installation is performed by machinists and trade professionals using drill presses, milling machines, or hand-held power drills with compatible chuck sizes. Always secure the shank fully in the chuck and confirm the bit is centered before operation. Use appropriate cutting fluid when drilling ferrous metals to extend tool life. Follow applicable shop safety standards and wear eye protection during all drilling operations.