Tap - 2-56 Type 20 HSS Spiral Point Plug
Tap - 2-56 Type 20 HSS Spiral Point Plug - TiN or Gold Coating
TiN coating increases wear resistance by producing a hight surface harness and exceptional lubricity resulting in longer tool lifeLow temperature stress relief that enhances lubricity, reduces friction and increases tap toughness designed for machine tapping through holes in a wide variety of materials
The point of the tap continuously ejects the chips ahead of the tap, eliminating chip disposal problems and thread damage.
Use a #51 bit to drill the hole you want to tap. You may want to drill a slightly larger hole in difficult to to tap materials like titanium. This will reduce the chance of your tap breaking and the titanium will still be strong enough to hold the shallower threads.