Electrical Platform
Brass ground line support
foto

Reference
Conductor (mm2)
Thread
H.SN/LT6
4-16
M4
H.SN/LT6M6
4-16
M6
H.SN/LT10
10-25
M4
H.SN/LT10M6
10-25
M6
H.SN/LT25
25-35
M4
H.SN/LT25M6
25-35
M6
H.SN/LT50
50
M6
H.SN/LT70
70
M6

Nickel plated brass.