Machine Expansion Reamer: Straight Shank, 11-1/2" OAL MPN:431-1.3125

The Machine Expansion Reamer is a high-quality cutting tool designed to remove material from workpieces by creating threads using its spiral flutes. With its straight shank, the reamer can be securely mounted on various lathe or milling machines. Its overall length of 11-1/2 inches and diameter range from 1/8 to 3/4 inch allows for multiple sizing applications across a wide variety of materials such as steel, aluminum, brass, and cast iron. The reamer's spiral flutes generate a clearance hole that prevents chatter or built-up edges, ensuring precision results with each use. Easy to install and replace, this versatile reaming tool is an essential part of any machinist's arsenal.