Reverse Counterbore: 5/16" Dia, 1/8" Pilot Hole, 4 Flutes, High Speed Steel MPN:190-2K

Introducing our High Speed Steel Reverse Counterbore with a 5/16-inch diameter counterbore, 1/8-inch pilot hole, and four flutes. This versatile tool is ideal for machinists, fabricators, and craftsmen who require precision countersinking in various materials such as aluminum, brass, steel, and plastics. With its unique design, this counterbore ensures a perfect fit every time while reducing the need for multiple steps in the manufacturing process. Its lightweight yet sturdy construction makes it easy to use and handle, saving you both time and effort. Whether you're working on automotive parts, electronic components, or aircraft assembly, our reverse counterbore is the essential tool that delivers high-quality results consistently.

Top product features:

• High Speed Steel material for durability and longevity
• Four flutes for precision countersinking
• Compatible with both standard and oversize pilot models

Top product applications:

• Machining and manufacturing industries for countersinking in various materials
• Aviation industry for creating pilot holes and counterbores on aircraft components
• Automotive industry for assembly and repair work requiring precise countersinking