New 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).

Replacement Case IH and aftermarket disk blade part numbers: 603013R2,  42IH603013,  IH603013, 603013.

These disk are new old stock from a dealership liquidation and will have some rust due to storage and age.