Which drill bit for 1 4 tap?

Which drill bit for 1 4 tap?

What size drill bit do I use for 1/4-28 tap?

Product Description. The IRWIN HANSON 1/4″ – 28 NF Tap and No. 3 Drill Bit is ideal for creating precise holes and 28 clean threads per inch in metal for general purpose drilling. The drill bit is constructed of high speed steel for fast drilling, while the tap is crafted of high carbon steel for durability.

What size drill bit do I use for a 1/4 20 tap?

The IRWIN HANSON 1/4″ – 20 NC Tap and 13/64″ Drill Bit is ideal for creating precise holes and 20 clean threads per inch in metal for general purpose drilling.