Millhog pneumatic pipe beveling tools from Esco are I.D. clamping and feature a rigid blade lock system with TiN coated T-15 tool steel cutter blades. The tools are available for pipe from 1.5 up to 36 inches O.D. and pull a thick chip without cutting oils. The Prepzilla Millhog is designed for 1 1/2- to 8.625-inch O.D. pipe and is available with an electric motor. 800/343-6926;

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