M12x120mm 304 Stainless Steel Ring Lifting Sleeve Expansion Closed Hook Eye Bolt M6x21x30 can be used to fix

can be used to fix brackets

Thread length:14mm/0

Features: Low heat capacity

The surface of the copper tube is easy to be oxidized and it will have a little oxidation (not rustiness)

Power off : 2-3 pass

M12x120mm 304 Stainless Steel Ring Lifting Sleeve Expansion Closed Hook Eye Bolt M6x21x30 can be used to fixMade from 304 stainless steel for maximum corrosion resistance and durability. Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole. Easy to install. Widely used in fence,burglarproof doors and window,canopy,air conditioning fixation,home decoration,engineering,etc.