Bottoming hand tap can reach to the bottom of a blind hole to cut threads Uncoated (bright) finish is an untreated surface Material is high speed steel

These bottoming hand tap comes in forming style and material is ISHSS, finish bright, size #10, pitch 24, thread UNC, chamfer: 1.5P-2P, pitch diameter limits H4, shank diameter 0.194", tolerance 2B, ANSI standards 286i.