How much does a hole cost?

Material

Group 1
Aluminium
Aluminium Bronse
POM
420M
Low Alloy Steel

Group 2
Duplex
304
316
165M
17/4 PH
4330

Group 3
Super Duplex
Super 13Cr
Non Mag
F22

Group 4
Sanicro
6Mo
Titan

Group 5
Inconel
Hasteloy
Monel