Brush Research GBD51220BC FLEX-HONE, 5-1 /2 inch (140mm) Diameter, 20 Grit, Boron Carbide, for Medium to High Carbon Steels and Heat-Treated Steels to 50 Rc

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.
• [20 GRIT BORON CARBIDE ABRASIVE]-Excellent on medium to high carbon steels, titanium and heat-treated steels to 50 Rc. Typically achieves a finish of 125 - 250 Microinch (3.2 - 6.3 Micrometer).
• [WHAT'S INCLUDED]-1 Each of a GBD Heavy Duty FLEX-HONE: 5.500"(140mm) Bore Diameter, 6" Abrasive Part Length, 0.350" Shank Diameter, 17.5" Overall Length. For Use on Bore Diameters Between 5.001"-5.500". PLEASE NOTE: ORDER BY BORE SIZE.