M3 M4 Carbon Steel Standoff Mount Fixing Spacer Bolts Metric Standard Thread
M4 – Thread Pitch 0.7mm. M4 – Hexagonal Opposite Sides 5.98mm. M3 – Thread Pitch 0.5mm. M3 – Hexagonal Opposite Sides 4.98mm. Material: Carbon Steel. Thread Length: 6mm. Surface: Nickel Plated/Black/Blue White Zinc.