Brush Research GB312120Z25 FLEX-HONE, 3-1 /2 inch (89mm) Diameter, 120 Grit, Zirconia Alumina #1525, for Low Carbon to Medium Carbon Steels, Stainless Steel and Cast Iron

Features

• [QUALITY]-Proudly Made in the USA. Quality and consistency you can count on made from the inventors and makers of the tool.
• [DESIGN]-The FLEX-HONE is intentionally manufactured oversized. This engineered oversize creates the optimal amount of pressure inside the cylinder wall allowing the tool to be self-centering, self-aligning and self-compensating for wear and easy use.
• [FINISHING BENEFITS]-Offered in a wide variety of grits to achieve specific finishing tolerances as well as a beautiful crosshatch finish. Ideal for rebuilding hydraulic and pneumatic cylinders, engine and brake cylinders, valve guides, pumps, compressors and more.
• [CROSSHOLE DEBURRING]-Accomplish finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle from a hand drill, drill press or CNC equipment.
• [120 GRIT ZIRCONIA ALUMINA #1525 ABRASIVE]-Excellent on low carbon to medium carbon steels, stainless steel and cast iron. Provides the longest tool life but less aggressive, grit for grit over the life of the tool. Typically achieves a finish of 35 - 50 Microinch (.9 - 1.4 Micrometer).
• [WHAT'S INCLUDED]-1 Each of a GB Standard Duty FLEX-HONE: 3.500"(89mm) Bore Diameter, 3.50" Abrasive Part Length, 0.310" Shank Diameter, 13.5" Overall Length. For Use on Bore Diameters Between 3.251"-3.500". PLEASE NOTE: ORDER BY BORE SIZE.