Specification Brand : VILLCASE BulletPoint1 : Adopt high grade carbon steel material, very sturdy and durable, can withstand period of time. BulletPoint2 : Drill a hole, then insert the drop-in into the drilled hole, fix the drop in anchor to the concrete with bolts or machine screws. BulletPoint3 : Hex bolt sleeve concrete anchor for easy installation, expansion bolts come with nuts and washers. BulletPoint4 : Simple and delicate, excellent and reliable, carefully crafted, not easy to deform or break due to the high hardness. BulletPoint5 : Fit for machining, machinery, construction industry, bridge construction, and Color : As Shown ExteriorFinish : Zinc ExternallyAssignedProductIdentifier : 4325705723693 ItemDisplayDimensions_Length : 5.85 centimeters ItemName : VILLCASE 4pcs M10 Expansion Bolt Knurled Anchors Knurled Drop in Anchors Solid Concrete Knurled Bolts Knurled Expansion Anchors Drop-in Anchors for Concrete Feet Suite Carbon Steel ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bolt-anchors Manufacturer : VILLCASE ManufacturerGrade : Grade C Material : Carbon Steel Material1 : Carbon Steel Material2 : Zinc NumberOfItems : 1 PartNumber : 6T0312S470DT16KU901SZ ProductDescription : -Color:As Shown -Material:Carbon Steel - Size: 15X2.2cm.