Flex-Hone GBD400400 4" 400 Grit Silicon Carbide Hone - Mild Steel Cast Iron (DK6)

Item is new and unused. Please anticipate signs of handling. Outer packaging may have cosmetic imperfections/damage - does not affect the item itself. Includes all item(s) seen in picture(s) ONLY.

• 4" (102mm) diameter FLEX-HONE with 400 grit silicon carbide abrasive
• Ideal for mild steel, stainless steel, cast iron, and softer ferrous materials
• Self-centering, self-aligning design for easy operation and uniform finish
• Achieves a 10–20 microinch finish (0.3–0.6 µm) with crosshatch pattern
• Used for cylinder deglazing, crosshole deburring, and edge blending
• Heavy-duty tool with 6" abrasive length, 13.5" overall length
• 0.310" shank diameter; fits bores between 3.751"–4.000"
• Made in the USA for reliable performance and quality
• Works with hand drills, drill presses, and CNC spindles
• Suitable for engine and brake cylinders, valve guides, pumps, and compressors

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