M3 M4 M5 M6 M8 M10 M12-M24 Blackened 45 Steel Hard Inner Outer Thread Adapter Screw Sheath Thread Insert Sleeve Conversion Nuts

M3 M4 M5 M6 M8 M10 M12-M24 Blackened 45 Steel Hard Inner Outer Thread Adapter Screw Sheath Thread Insert Sleeve Conversion Nuts

Aliexpress UK