Opening Disc Blade for International 510, 5100, 620 and Other Model Grain Drills, IH603013 New Lockout Nut for a

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Opening Disc Blade for International 510, 5100, 620 and Other Model Grain Drills, IH603013 New Lockout Nut for aNew Old Stock Opening Disc Blade for International Harvester or Case Grain Drill Models 10, 100, 224, 510, 5100, 5200, 620, 6200. Commonly used for IH and Case grain drills as double disc opener blades. Used also as a disc marker blade on some models of grain drills. Disc blade is 13 7 8" inches in diameter. The center hole is 1 3 8" inch. The 6 mounting holes are 1 5 16" inch apart (measuring side to side) (center of hole to center of hole).