This hollow union bolt is made of high quality aluminum.
First it got extreme precise CNC-milled and finally anodized to prevent corrosion.
Specifications:
Bore: 16mm
Thread: Dash 10 UNF
Material: anodized aluminum
Colour: Blue
Specifications:
Bore: 16mm
Thread: Dash 10 UNF
Material: anodized aluminum
Colour: Blue