Material: 304 stainless steel bolts are suitable for use in wet or dry environments
32mm diameter
Optional pin 1 is easily connected to the base ground
a spring-loaded ball inside would stop the flow of water to forward
Carbon steel T screw bolt screws nuts surface chrome finish
Round Aluminum Standoff Column Spacer M3x50mm,for RC Airplane,FPV Quadcopter,CNC,Black,10pcs 10mm X 0.2mm Material: 304 stainless steel boltsCompatible With: RC Airplane,FPV Quadcopter,CNC,etc. Straight hollow cylinder design, lightweight, strong hardness, secure. It can be used for connecting rod, pulling rod or the top column, play the role of connecting or extending nut. Specifications Two Side Female Thread Material: Aluminum Alloy Inner Screw Thread: M3 Total Length: 50mm Outside Diameter of Standoff: 5mm Color: Black Package Content: 10Pcs x Round Aluminum Column