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Disc blade
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How to make disc blade?
we offer a variety of disc blades to fit your tillage needs. Also known as disc harrow blades and plow discs, we offer plain and notched disc blades that range from 12 inches in diameter to 40 inches. Disc blade thicknesses range from 3 mm to 12 mm to fit your soil conditions. We also offer disc harrow blades with standard and deep cone concavities.
Center hole punches include round, square, square by round and square by square center holes. Koko company produce disc blades with Both 65Mn and Boron Steel. 65Mn steel disc blade hardness is HRC40-44 and Boron Steel disc blades hardness is 48-52HRC. Each disc blade is heat treat for better flexibility and durability. 
1、Cutting the material to suitable size for disc blade by steel ring unfold shear equipment.
2、Cutting the square steel to round and punching.
3、Cutting edge, plough disc blade. Notched harrow disc blade
4、Oil heat treatment of 65Mn disc blade. Water heat treatment of 30MnB Boron disc blade.