Specification Brand : CFFQDQUANB BulletPoint1 : 304 stainless steel material, The surface is flat and smooth without burrs, high-quality workmanship. The screws are neat and clear, and the force is even and not easy to slip. BulletPoint2 : Note: This expansion screw has four sizes of M6, M8, M10, M12. For more specifications, please see our pictures. Package: include 4pcs hook bolts. BulletPoint3 : Expansion bolts hook must be installed on a harder base, and avoid unstable places that are soft and easy to fall off, such as gap walls of lime-soil. That part of the expansion pipe should all enter the wall. As long as the threaded part is long enough, the sleeve part will be deeper and . BulletPoint4 : Installation method of expansion hook: first drill a hole in the wall with the same size as the expansion tube with a drill bit, then put the expansion hook into the hole, tighten the hexagonal nut with a wrench, and finally open the tail of the expansion tube after being stressed Hang on the wall. BulletPoint5 : Designed for concrete, brick, drywall, and masonry, our expansion bolts provide a rock-solid hold for shelves, TV mounts, cabinets, and outdoor fixtures. Color : One Color ExternallyAssignedProductIdentifier : 9142156967651 ItemName : Expansion Bolts, Screw DIY Hardware Hardware Fasteners - 4Pcs Universal Open Cup Wall Concrete Expansion Hook an ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : expansion-bolts Manufacturer : CFFQDQUANB ModelNumber : CFFQDQUANB NumberOfItems : 1 NumberOfPieces : 1 PartNumber : CFFQDQUANB ProductDescription : Material: 304 stainless steel Package: Include 4pcs expansion bolts Product use: Generally used for fastening ropes, chains, etc. on concrete, bricks and other hard materials . M6 Total length 87 mm/3.42 inch, expansion tube length 35 mm/1.38 inch, screw diameter 6 mm/0.24 inch, casing outer diameter 8 mm/0.31 inch, opening width 23 mm/0.9 inch, hole size 8 mm/0.31 inch . When correctly installed in the concrete, the maximum static force is 120kg. M8 Total length 99 mm/3.9 inch, expansion tube length 37 mm/1.46 inch, screw diameter 8 mm/0.31 inch, casing outer diameter 10 mm/0.39 inch, opening width 24 mm/0.94 inch, hole size 10 mm/0.39 inch . When correctly installed in the concrete, the maximum static force is 170kg. M10 Total length 110 mm/4.33 inch, expansion tube length 38 mm/1.5 inch, screw diameter 10 mm/0.39 inch, casing outer diameter 12 mm/0.47 inch, opening width 26 mm/1.02 inch, hole size 12 mm/0.47 inch . When correctly installed in the concrete, the maximum static force is 320kg. M12 Total length 130 mm/5.12 inch, expansion tube length 48 mm/1.89 inch, screw diameter 12 mm/0.47 inch, casing outer diameter 14 mm/0.55 inch, opening width 40 mm/1.57 inch, hole size 14 mm/0.55 inch . When correctly installed in the concrete, the maximum static force is 510kg. ProductSiteLaunchDate : 2025-04-21T07:49:54.891Z Size : M12 UnitCount : 1 UnspscCode : 31161500