Speeds Bumps Screws: The expansion screw is a sturdy structure with a large bearing capacity and strong tensile strength.warning posts, speeds bumps, parking blocks, parking stop, and so on.Suitable for using indoor, outdoor even in humid environment, , high rust resistance.. Material - Expansion Sleeve Bolts made of Stainless Steel, sturdy and firm.Anchor Expansion Screw: For speeds bumps, parking stop, parking blocks, curb ramps in the parking lot and so on.. Bolt stoppers: wildly using: this expansion bolt is widely used in speeds bumps for driveways, asphalt, concrete roads, etc which is also used for wall, cabinets, switches, trunking, picture frames, mirror frames, coat racks, skirting boardstowel rack and lightings, etc. Speeds Bumps Fastener: The expansion screw is a sturdy structure with a large bearing capacity and strong tensile strength.. Application: Expansion Bolts is widely used in fence, burglarproof doors and window, canopy, air conditioning rach fixation, home decoration, engineering, etc..
