Straight Hardened Rack DIN 10 Manufacturing Description: Precision Grade: ¡]JIS Grade 6)DIN 10e27 Material: (S45C Medium Carbon Steel) C45 Type: Straight Rack Treatment of Teeth: Milled. Hardness: High Frequency, HRC 50~55 degree. Sides Ground: Not Included. Pressure Angle: 20 degree. YYC Rack includes various types such as straight racks, and helical racks which could be made not only specially by customer¡¦s demands but also from economy soft rack to internationally ultra high precise standards. YYC also provides standard catalogues to select. Currently, YYC rack can make from module 0.3 to module 14. Meanwhile, YYC also have CP racks, and DP racks. Materials are very diverse. Most popular is S45C (Medium Carbon Steel), SCM440 (Chromium Molybdenum Alloy Steel), SCM415, SUS Stainless Steel, Plastic, Copper Alloy etc. Quality from ultra high precise DIN 5 to economy DIN 10. YYC can do high frequency, teeth ground, black coated, phosphates, carburized, etc. to serve different needs.