Specification Brand : uxcell BulletPoint1 : Main Color: Silver Tone; Material: Metal BulletPoint2 : Package Content: 30pcs x Expansion Bolt; Product Name: Expansion Bolt BulletPoint3 : Weight: 146g; Dimension: 13(+/-1.5) x 30(+/-2)mm / 0.5" x 1.2"(Max.D*L) BulletPoint4 : Suitable Thickness: Less than 5mm; Sleeve Size: 7(+/-1) x 20(+/-2)mm / 0.28" x 0.8"(D*L) BulletPoint5 : Thread Size: M4(D) Color : Silver ExteriorFinish : Silver ExternallyAssignedProductIdentifier : 4048962257090 ExternallyAssignedProductIdentifier1 : 014973184803 ExternallyAssignedProductIdentifier2 : 0014973184803 GradeRating : Stainless 18-8 ItemName : uxcell M4x20mm Socket Head Expansion Bolt Sleeve Anchor 30pcs ItemPackageDimensions_Height : 14.1 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : expansion-bolts Manufacturer : uxcell ManufacturerGrade : heavy-duty Material : Metal MetalType : Stainless Steel ModelNumber : 014973184803 NumberOfItems : 5 NumberOfPieces : 30 PackageLevel : unit PartNumber : a17032700ux0514 ProductDescription : Expansion anchor bolt. Features a round slotted. The working principle of expansion screw: Put the expansion screw into hollow wall and then tighten the nuts of the expansion bolt with wrench. The bolt goes outside while the metal sheath does not move. Thus the bigger head of the bolt will expand the metal sheath, making it fill the whole hole. Now, the expansion screw can not be pulled out. Can installed on the plasterboard wall to hold shelf, curtain rod, hallstand, lamps. ProductSiteLaunchDate : 2018-01-02T11:25:24.238Z Size : 12 x 60 Inch SupplierDeclaredDgHzRegulation : not_applicable TargetGender : female UnitCount : 2.5397 UnspscCode : 31161500