01H023 - Walter 23/64" SST Heavy-Duty Stub Drill Bit with 135° Split Point

Precision Drilling with Walter SST Stub Drills

The Walter 01H023 23/64" SST Stub Drill is a high-performance cutting tool designed to address the common challenges faced in industrial drilling applications. Engineered by Walter Surface Technologies, this bit belongs to the renowned SST series, known for its ability to handle tough materials with ease. The defining characteristic of this tool is its stub length (also known as screw machine length), which provides exceptional rigidity. In environments where portable drilling is common, longer bits often flex and snap under torque; the compact design of the 01H023 minimizes this flexion, ensuring a longer tool life and safer operation.

Technically, the bit features a sophisticated 135° split point geometry. Unlike standard 118° points that require a pilot hole or center punch to prevent wandering, the SST split point bites into the material immediately upon contact. This self-centering capability is particularly advantageous when working on curved surfaces or round stock, where bit walking is a frequent issue. The drill is finished with a special bronze SST surface treatment, which not only reduces friction but also aids in heat dissipation, a critical factor when drilling work-hardening materials like stainless steel.

This drill bit is optimized for thin-walled materials and sheet metal. The geometry cuts cleanly, reducing the burr formation on the exit side of the hole, which streamlines post-drilling cleanup processes. Whether utilized in a stationary drill press for repetitive fabrication or a hand drill for maintenance and repair, the Walter 01H023 delivers consistent, precise results across a variety of ferrous and non-ferrous metals.