Thread Forming Tap: #4-40 UNC, 2B & 3B Class of Fit, Plug, High-Speed Steel, Bright/Uncoated Coated MPN:K010314AS

The thread forming tap from Grainger offers a simple solution for creating blind threads in sheets metal ranging from thin gauge up to .125 of an inch, manufactured with high-speed steel and designed with three thread form styles suitable for different applications requiring specific level grip like internal threads on nuts or outside threads when building hardware components thus resulting strong fixation without damaging mating surfaces because its coat improves lubricity helping to keep cutting edge sharp ensuring accuracy and repeatability in use, saving time while working with precision on delicate pieces.