Hebei Yingda Mining Machinery Parts Co., Ltd. has been ISO9001:2008 certificated. CQGC certified as the Chinese Best Ten Bands. Material: Ductile Cast Iron, grey irion and cast steel Surface Treatment:Hot or cold(electro) Galvanized. Our products has been CQGC certified as the Best Ten Bands of China. The Technology Parameters as following. Mod O. ApplicableWir iameter (mm) hap ol ength (mm) hap ol eight (mm) Diameter of U Shape Bolt(mm) Standard of Nuts Mechanical Properties of Clamp Holder Weight of One Set(KG) Center Distance of the Two Hole in Clamp Holder A Type B Type Tensile Strength (KN) Fiexural Strength(LN) Elongatio(%) A Type B Type Y-6 6 75 34 6 GB 67.6 6.7 10 0.042 14.4 Y-8 8 88 44 8 GB 98.2 9.8 10 0.084 17.7 Y-8 8 88 44 8 GB 98.2 9.8 10 0.084 17.7 Y-10 10 100 50.5 10 GB 117.5 11.7 10 0.135 22 Y-12 12 125 62.5 10 12 GB 152.4 15.2 10 0.15 0.21 24 Y-15 15 145 72 12 14 GB 197.4 19.7 10 0.31 0.36 28.7 Y-16 16 145 72 12 14 GB 249.7 24.9 10 0.34 0.51 29.5 Y-18 18 165 82.5 14 16 GB 258.8 25.8 10 0.4 0.46 34 Y-20 20 175 87 14 16 GB 267.9 26.7 10 0.46 0.53 35.7 Y-22 22 200 100 16 18 GB 340.2 34.2 10 0.64 0.73 46.7 Y-25 25 215 107 18 20 GB 423.4 42.3 10 0.86 0.98 44.5 Y-28 28 240 116 20 22 GB 530.2 53 10 1.24 1.4 49.2 Y-32 32 270 135 22 GB 627.9 62.7 10 1.64 54.4 Y-36 36 310 150 24 GB 945 94.5 10 2.7 61.6 Y-40 40 350 170 27 GB 1188.9 118 10 3.9 68.5 Y-45 44-45 370 180 27 GB 1256.2 125 10 4.5 72.3 Y-50 48-50 430 215 30 GB 1629.6 163 10 6.1 84 Y-55 52-55 450 215 30 GB 1741.8 174 10 6.7 88.5 Y-60 60 495 240 36 GB 2005.1 200 10 9.6 98 Y-70 70 525 255 36 GB 2003.5 202 10 11 107.5 Y-80 80 655 320 40 GB 2989.7 298 10 16.3 130.5 Y-85 80 655 40 GB 2989.7 10 Y-90 90 750 45 GB 10 141 Y-95 95 750 45 GB 10 141 Y-100 100 830 48 GB 10 154 Y-110 110 900 48 GB 10 168 Any problem, feel free to contact jackleoyt at hotmail is always ready to help.