HY Industry is a China-based company, specialized in providing procurement service and premium products for customers globally. Our company is dedicated to serving our customers not only by procuring products through our extensive business network but also by manufacturing custom made products by our independent factory facilities . Prompt supply of less-expensive premium products is our ultimate pursuit for value-added customer service. 30mm, 40mm, 50mm , 60mm. The serrated bar provides sure footing in hazardous conditions with its anti-slip surface. The regular center distance of bearing bar is 30mm, 40mm, 50mm and 60mm.