These titanium studs are sometimes called titanium screws without head. They are not cut from titanium screws but titanium thread rods.
Chemical composition(WT% Max)
N
C
H
Fe
O
Al
V
Each
Total
Ti
0.05
0.08
0.015
0.40
0.20
5.5-6.75
3.5-4.5
0.1
0.4
balanced