Currently we are manufacturing and exporting harrow and plough discs in High Carbon Steel and Boron Steel with scores of sizes ranging from 12 inches to 30 inches in diameter and 3 mm to 14mm in thickness. To manufacture Harrow disc we use High Carbon Steel EN 45 i.e equivalent to SAE 1070 grade and Boron Steel EN 10083 (30 MN B5) grade material. We maintain hardness of the Harrow disc from 38 to 42 HRC in Carbon Steel and 48 to 52 HRC in boron steel. We manufacture Harrow disc with different type of center hole LIKE - square, round, hex, Octave or as per the drawing and specification of the buyers. The varieties of Harrow disc blades that we manufacture are as below -