having more than ten years experience, high quality, low price, prompt delivery time coulte disc Material: 65 Manganese SteelHardness: 40 to 48 HRCSize: from 254 to960mm in diameter and from 3 to 12mm in thicknessHoles available 1. Square 2. Round 3. Round with key slot 4. Round and square combinedTypes of disc1. Plain harrow disc 2. Notched disc 3. Plough disc.Minimum order: 200 pcsDelivery : 30 ...