Besly F-5494 1/2-13 UNC plug hand tap, 4-flute, high-speed steel (HSS) with plug chamfer and external coolant delivery for manual or light production threading. It cuts right-hand threads with a thread limit of H3 and UNC form, featuring a 1-21/32 in thread length and a 3-3/8 in overall length, complemented by a 0.367 in shank diameter. This general-purpose plug-style hand tap is designed to cut 1/2"-13 threads in metal stock and is associated with Besly Mfr #12611, aligning with Besly’s 4111-series hand taps.
