Drilled Screws, Material:Stainless Steel

Drill Collar Diameter 3-18, 3-12, 4-18, 4-34, 5, 6, 6-14, 6-12, 6-34, 7, 7-14, 7-34, 8, 8-14, 9, 9-12,9-34, 10, 11. Bore Diameter 1-14, 1-12, 2, 2-14, 2-1316, Connection NC 23-31, NC 26-35, NC 31-41, NC 35-47, NC 38-50, NC 44-60, NC 44-62, NC 46-65, NC 50-70, NC 50-72, NC 56-77, NC 56-80, NC 70-97. Length 30-31 Description Products are manufactured to API Spec. 77-1 and API