GP404-121S GP404-072S Seed Disc Opener Assembly  

GP404-121S GP404-072S GP121 GP1558 GD421 800-287C Seed disc opener assembly: GP404-121S Seed Disc Opener Assembly; 15" Diameter x 3.5mm thickness; Wiht 205 bearing for 5/8" bolt; Furnished with dust cap; Applications: Great Plains drills; replaces OEM P/N 404-121S. Unit weight: 8.26 Lbs; Outer Diameter: 15" Thickness: 3.5MM Hardness: HRC44-46 Material: 65Mn  Weight:8.26 Lbs Disc for seed drills need to work with great precision, positioning the seed with minimum distortion of the soil. This means that for seed drills, the uniformity of their seed disc opener assemblies and discs is of primordial importance. Plain blades and seed disc opener assemblies are made from high grade steels and components for best fit and long life. BORINE Machinery be able to provide a wide range of seed disc opener assemblies that can be adapted to such important manufacturers as GREAT PLAINS, KINZE, CASE and SUNFLOWER.