Guhring 9005520055600 Screw Machine Drill Bit 7/32 in

Product Description

The GUHRING 9005520055600 is a stub-length (screw machine length) twist drill bit designed for high-throughput drilling in production and maintenance environments. Built from high-speed steel with a bright/uncoated finish, the bit features a 130-degree split point and a parabolic flute geometry for efficient chip evacuation. The shank diameter is 0.2188 inches, matching the cutting diameter for use in standard drill chucks. At 2-19/32 inches overall length, the stub format reduces deflection and improves hole location accuracy compared to jobber-length drills. This bit is appropriate for machinists, maintenance technicians, and fabricators working on metal components.

This bit is rated for aluminum as its primary workpiece material and is suited to screw machine operations, CNC drilling, and bench drill press work where a short, rigid drill is required. The parabolic flute design with web thinning aids chip flow and reduces thrust in through-hole and blind-hole drilling applications. With a 3xD flute-to-diameter ratio and a maximum drilling depth of 0.7740 inches, it is best applied to shallow-to-moderate depth holes in soft to medium metals. Single-piece packaging makes it a practical replacement or add-to-kit option for individual tooling needs.

Key Features

• High-speed steel construction with bright/uncoated finish for general-purpose metal cutting
• 130-degree split point reduces walking and improves entry accuracy on curved or flat surfaces
• Parabolic flute geometry with web thinning promotes fast chip evacuation and lower thrust force
• Stub length (2-19/32 inches OAL) provides rigidity and reduced deflection in tight setups
• Right-hand cut with straight cylindrical shank fits standard drill chucks without adapters
• Manufactured to DIN 1897 specification for consistent dimensional tolerances

Compatibility

Designed as a DIN 1897 Series 552 stub-length drill bit with a 0.2188-inch straight cylindrical shank, compatible with standard drill chucks and collet systems accepting that shank diameter. Primary workpiece material rating is aluminum; suitable for use in screw machines, drill presses, and CNC machining centers.

Installation Notes

Installation and tool changes should be performed with the machine fully powered down and the spindle locked. Secure the shank fully in the chuck or collet to the recommended grip depth before tightening. Cutting fluid or mist coolant is recommended for extended run cycles even though the bit does not have through-coolant capability. Dispose of worn bits per shop safety protocols; inspect the cutting edge before each use for chipping or wear.