Reduced Shank High Speed Steel Drill Bit for Drill America DWDRSD Series

These high-speed steel (HSS) drills are designed to expand the size range capacity of a portable drill chuck. They feature a 118-degree point and are precisely ground to ensure a high degree of concentricity between the shank and body diameter. This makes them ideal for drilling in low and medium tensile strength materials.

The common flute and overall length of these drills allow for minimal adjustment during tool changes, enhancing efficiency in the workshop. The black oxide finish not only adds lubricity but also creates small pockets on the tool's surface that help hold coolant near the cutting edge, improving performance.

High-speed steel tools are a popular choice for most general-purpose applications, as they offer an optimal combination of hardness and toughness, ensuring excellent wear resistance. The round shanks on these drills allow for use with a wide variety of tool-holding systems, providing versatility and flexibility in the workshop.

When operated in a counterclockwise direction (right-hand cut), the spiral-fluted design of these tools effectively evacuates chips up and out of the cut, reducing the risk of clogging. This feature is particularly beneficial when drilling in low and medium tensile strength materials, where chip control is crucial for achieving clean, efficient cuts.

The precision grinding of these HSS drills ensures a high degree of concentricity between the shank and body diameter, which is essential for maintaining accuracy and stability during the drilling process. This level of precision is key when working with materials that require a delicate touch, such as low and medium tensile strength materials.

The black oxide finish on these drills serves multiple purposes. First, it adds a layer of lubricity to the tool, reducing friction and heat buildup during operation. Additionally, the finish creates small pockets on the surface of the tool, which act as reservoirs to hold coolant near the cutting edge. This helps to dissipate heat and improve the overall performance and longevity of the drill bits.

The round shanks on these HSS drills allow for easy integration with a wide range of tool-holding systems, including portable drill chucks and other specialized equipment. This versatility makes them a valuable asset in the workshop, as users can adapt the tools to suit their specific needs and the demands of the project at hand.

In summary, these high-speed steel drills combine precision engineering, advanced features, and versatile design to provide an exceptional drilling solution for a variety of low and medium tensile strength materials. Their combination of hardness, toughness, and advanced surface treatments make them a reliable choice for general-purpose applications in the workshop.

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