GUHRING 9039220127000 Spiral Flute Tap, Mod Bottom, Cobalt, TiN Coating, 3 Flute, 1/2"-13 Size$$Tools

Designed for efficiently threading blind holes TiN coating increases chip flow in softer materials Cobalt material provides better wear resistanceYou may also like 19-Piece 3/8 Inch Drive Extra Long Allen Hex Bit Socket Set, Standard SAE & Metric (1/8-Inch - 3/8-Inch, 3-12mm), S2 Alloy Steel, Necessary auto repair tools$$Tools & Hardware Other.