Drill Pipe Screens are an important part of the directional drilling tool string. They filter out large particles in the mud protecting the MWD tools below. The Drill Pipe Screens are made of 3/16 thick perforated stainless steel, with 17-4 hub and end cap heat treated to H900. This combination of materials has been field proven to outlast the competition in high wash environments. Our screens are available in every configuration to fit your specific requirements. Specification of Drilling Pipe Screen: a. Material: 304 & 316 stainless b. Perforation: 3/16 hole on 5/16 stagger c. Retrievable with standard overshot d. Interchangeable ring flanges e. 33% open area perforation f. Internal wear distribution sleeve g. Full length safety retaining rod