13 3/4'' IADC 117 Tricone Drilling Steel Teeth Bit. Elastomer Sealed Bearing: Prevents mud fluid intrusion and ensures smooth operation for long-lasting sealing. High-Quality Tooth Surface: Welded with wear-resistant material to extend bit life and maintain consistent penetration rate. Optimized Tooth Design: Thicker, aggressive wear-resistant alloy enhances tooth structure and overall performance. Versatile Cutting Capability: Ideal for very soft formations like clay, mudstone, and chalk with high drillability. Customization Available: Offers tailored solutions for unique drilling requirements, including size and thread options. Fast Delivery: Ships within 1 week if in stock; out-of-stock delivery depends on order quantity. Three Jet Nozzles: Provides optimal fluid distribution and cleans cones during the drilling process. Gauge & Shirttail Protection: Available features to further extend the life of the bit during drilling operations.