Spiral Flute Tap: 3/4-10 UNC, 4 Flutes, Plug, High Speed Steel, Bright/Uncoated MPN:30392

The Spiral Point Tap #4-40 UNC, with its semi-bottoming design and a class 3B fit is an outstanding tapping tool suitable for industries and users that demand high precision threads such as automotive repairs, aviation or aerospace hardware manufacturers, marine engineering systems, electronic components and appliance assembly factories. Its high-speed steel construction withstands repeated stress from threading applications by offering longevity and strength on diverse materials like soft, medium, and hardened steels, alloys, and aluminum alloys while its black oxide finish provides enhanced protection against rust formation prolonging shelf life. In summary, this tap stands out in precision workshops, toolrooms or mass production environments where consistency, reliability, durability are paramount while delivering accurate threads ensuring efficient and reliable function of the assembled components.