Plastic Round Tube: 1/4" ID, 0.312" OD, Tan, Paper-Base Phenolic Laminate (XX) MPN:PBGT.250.312N

Spiral Flute Tap: 3/4-16, UNF, 4 Flute, Semi-Bottoming, 2B & 3B Class of Fit, Powdered Metal, TiCN Finish is a premium cutting tool designed for threading applications in various materials such as steel, stainless steel, cast iron, and brass. Its construction with powder metal provides superior hardness and resistance to breakage during use. The 4-flute design generates high thrust strength and minimizes heat build-up while the TiCN finish reduces friction for smooth and quick threading. This tap's unique semi-bottoming feature allows users to easily cut an accurate thread profile with only one pass, making it a time-efficient option ideal for professional mechanics or DIY enthusiasts. The Spiral Flute Tap: 3/4-16, UNF, 4 Flute, Semi-Bottoming, 2B & 3B Class of Fit, Powdered Metal, TiCN Finish offers high precision and durability at an affordable cost, making it a valuable asset to any tool collection.