Specification :

tricone bit Cutting structure: very long widely spaced , chisel-shaped inserts and considerable cone axis offset against center line of bit ensure very high penetration rate .To secure the bit from diameter loss, the gage protection inserts have got shorter length and greater angle of the top. Formations: long intervals of very soft poorly compacted shales , sandstone, clays, salts and soft limestones. Size and IADC available: 3 3/ 4" to 26" IADC 415, 435, 445, 417, 437, 517, 537, 617