Material: low carbon steel models BY125BY160BY200BY250BY320BY400BYT500BY630BY800 outside diameter (mm) φ125φ160φ200φ250φ320φ400φ500φ630φ800 inside diameter (mm) φ30φ42φ48φ60φ76φ108φ133 pitch (mm) 100-125120-160160-200200-250250-320320-400400450-500500 thickness (mm) 3.53.53.53.5-53.5- 55-65-85-86-10 standard length (m) 2 helical blade 1. Continuous cold rolled helical blade surface after cold-work hardening, hardness and wear resistance have improved spiral auger blade manufacturers, foreign along hardness up to HB240. 2. Continuous cold rolled helical blade surface smooth regular supply auger spiral blade manufacturers, high overall accuracy is conducive to material handling. 3. Continuous cold rolled helical blade is easy to install, high production efficiency, reduce production costs. 4. Continuous cold rolled helical blade surface smooth spiral auger blade factory in Shandong, the resistance is small, easy to transport materials, improve transport efficiency. Shandong spiral auger blade manufacturers, auger spiral blade manufacturers, Ruifeng by Ning County Ruifeng machine parts processing department. Ning County Ruifeng machine parts processing at (sdysjx.cn.s07.ctrl.net.cn) strong, credible, in Dezhou agricultural machinery industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement will lead Ruifeng innovative ideas into the brilliant and you work for a better future!