Spiral Flute Tap: 5/16-18 UNC, 3 Flutes, Bottoming, 2B Class of Fit, High Speed Steel, Oxide Coated MPN:5390236

This spiral flute tap measures at 5/16-18 UNC while featuring 3 flutes which work to create precise threads for professional results. Designed to cater for the toughest of materials the high-speed steel employed in its construction ensures longevity when used on hard or soft surfaces making it an essential tool for all professional handymen. Ideal for those within the aerospace and automotive industries where flawless threading is crucial these taps deliver on accuracy due to their 2B class of fit meaning intricate mechanisms will always produce impeccable threads time after time, available in an oxide coating to guarantee durability and corrosion resistance they remain one of the most widely used tap options out there, trusted to get the job done right every time.