Description
External hex expansion bolts can be used in concrete and masonry..304 stainless steel material, anti-rust, anti-corrosion, sturdy and durable, which can be used in humid environments and outdoors..Solid structure, strong bearing capacity, not easy to deform..Polished surface, smooth without burrs, meticulous workmanship, long service life..Widely used in fence, burglar proof doors and window, canopy, air conditioning fixation, home decoration, industrial engineering, etc.