Plough Disc Blade Harrow Disc for Farm Hot Sale
Model NO.: 22′′*5mm
Color: Customizable
Hole: Customizable
Logo: Customizable
Hardness: 38-43HRC / 43-48HRC
Trademark: Hongri
Transport Package: Pallet
Specification: 20-inch
Origin: China
HS Code: 84329000
Material: | 65Mn, Boron steel |
Hardness: | HRC 38-45, HRC 43-48 |
Thickness: | 3.0-12.5 mm |
Size / Dimension: | 12" - 44" (300mm - 1120mm) |
Edge of Disc Blade: | Round or Notched |
Shape: | Flat, Concave or Wavy |
MOQ: | 100 pcs |
Production Capacity: | 7 million pcs annually |
Surface Treatment: | Painting |
Colors: | Blue or black (matte or bright), custom orders available |
Hole Type: | Square, Round, Hexagon, Clover Leaf, Optional |
Hole Size: | 27x27 mm, 42x42 mm, optional |
Working Depth: | 200 mm, 300 mm |
Working Width: | 3.4 m ~ 6.2 m |
Packing: | Non-fumigation wooden case, metal case according to regional policies |
Feature / Characteristic: | High wear life due to special edge-making process |
Disc blades are suitable for disc harrows and agricultural machinery. The standard material is 65Mn spring steel and 40MnB steel. Typically, 65Mn spring steel has a hardness of 38-45HRC, while 40MnB steel reaches 43-48HRC. We can produce various types of disc blades, with a maximum diameter of up to 46 inches (1170mm).
Common Specifications of Disc | |||
Dia. | Concavity | Thickness | |
mm | inch | mm | mm |
255 | 10 | 12 | 3 |
305 | 12 | 19 | 3 |
330 | 13 | 25 | 3 |
355 | 14 | 38 | 3 |
410 | 15 | 38~50 | 3 |
430 | 17 | 57 | 3,4 |
460 | 18 | 38~60 | 3,4 |
480 | 19 | 57 | 3,4 |
510 | 20 | 44~63 | 3,4,5 |
535 | 21 | 63 | 3,4,5 |
560 | 22 | 60~85 | 4,5,6 |
585 | 23 | 75~90 | 4,5.6 |
610 | 24 | 75~95 | 4,5,6 |
660 | 26 | 86~115 | 5,6,7,8 |
710 | 28 | 100~130 | 5,6,7,8 |
760 | 30 | 120~135 | 6,7,8,10,12 |
810 | 32 | 120~140 | 8,10,12 |
910 | 36 | 120-200 | 8,10,12 |
960 | 38 | 120-200 | 8,10,12 |



Our Company:
HongRi Machinery Co., Ltd (HRC) is located in the Shiliwang Industrial Park, established in 2006, adjacent to the National Highway 101. It is just 10 km from the Beijing-Shanghai High-Speed Road, offering convenient transportation. The company covers an area of 32,000 square meters, with a construction area of 15,000 square meters.
For over 20 years, the company has been engaged in the research and development of agricultural machinery, including disc harrows, disc plows, and disc blade soil shovels. Our main products include tillage machines, planting machines, harvesting machines, disc harrows, disc plows, mowers, rotary tillers, and deep plowing machines. Spare parts include disc blades, bale spears, sweepers, and castings. With a complete range of specifications, reliable quality, and excellent performance, our products are sold nationwide and exported to Europe, Africa, the Middle East, and Southeast Asia.
We take pride in our business integrity and high-quality standards. Over the years, we have been recognized as a Level A paying company and a Level AA bank credit company. The government has also provided us with many awards due to our strong support.

Our reliable quality, considerate after-sales service, and excellent technology welcome your inquiries, consultations, and investigations. The company adheres to the principle of honesty, striving for win-win cooperation, and building the Hong Ri brand to serve you better.
Have a great day! Thank you.
If you have any questions, feel free to contact me.
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Jiangyou ChongxinSpecial Metal Materials Co., Ltd. , https://www.zhongxindiesteel.com