Grease Fitting – 1/4″-28 Straight Self-Tapping, Type F

The 1/4″-28 straight self-tapping grease fitting (Type F) is engineered for secure installation directly into untapped holes, eliminating the need for pre-threading. With its cutting-thread design, it creates a tight, leak-resistant fit and provides a permanent lubrication point. The built-in spring-loaded ball check prevents dirt and contaminants from entering while ensuring reliable grease flow under pressure. Manufactured from steel with a corrosion-resistant finish, this self-tapping zerk is ideal for maintenance in automotive, agricultural, and heavy equipment applications where fast, durable fitting installation is required.