Belleville Disc Spring: 1" ID, 0.202" OAH, 3" OD MPN:MB3000-135

The 2.8 Inch Nose Diameter, 20.2 Inch Projection, 40 Connection Size, Drilling Head Extension is a specialized tool designed to suit the demands of various industrial and professional drilling tasks that require extended reach or larger projection depths. With its 40 connection size, it ensures compatibility with an extensive range of tools and machines in diverse industries such as construction, mining or excavation sites while offering exceptional performance with a projection length of 20.2 inches and nose diameter of 2.8 inches. The drilling head extension's sturdy build quality provides maximum durability and robustness during extensive use.