Belleville Disc Spring: 8.2 mm ID, 1.2 mm OAH, 15 mm OD MPN:171037

Spiral Flute Tap: #2-64, UNF, 3 Flute, Modified Bottoming, 2B Class of Fit, Cobalt, Bright/Uncoated is a top-quality tap ideal for professional drilling and tapping applications in diverse industries such as automotive or mechanical engineering. Its coarse thread pattern provides quick and smooth cutting, while its bright cobalt finish enhances durability. The modified bottoming feature increases the tapping depth by decreasing wear on the threads while its 2B class of fit ensures an accurate thread fit for precise installation. This cobalt spiral flute tap resists abrasion and chemical attack, offering increased longevity compared to traditional high-speed steel taps.