Black – oxide steel collars are stronger than aluminumcollars. Aluminum collars are lightweight and have good corrosionresistance. Three tapped counterbored holes and three unthreaded holes provide mountingflexibility.
Black – oxide steel collars are stronger than aluminumcollars. Aluminum collars are lightweight and have good corrosionresistance. Three tapped counterbored holes and three unthreaded holes provide mountingflexibility.