Specification Brand : uxcell BulletPoint1 : Product Name: Threaded Rod; Material: 304 Stainless Steel BulletPoint2 : Weight: 119g; Package Content: 20 x Threaded Rod BulletPoint3 : Main Color: Silver Tone BulletPoint4 : Thread Size: M4 x 80mm/0.16" x 3" (D*L) BulletPoint5 : Thread Pitch: 0.7mm Color : Off-White ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 709874233384 ExternallyAssignedProductIdentifier2 : 0709874233384 GradeRating : Grade 304 ItemHardness : B85 (Rockwell B) ItemName : uxcell M4 x 80mm 304 Stainless Steel Fully Threaded Rod Bar Studs Silver Tone 20 Pcs ItemPackageDimensions_Height : 13.716 centimeters ItemPackageDimensions_Length : 0.762 centimeters ItemPackageDimensions_Width : 7.874 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : fully-threaded-rods-and-studs Manufacturer : uxcell Material : Stainless Steel ModelNumber : a16071500ux0068 NumberOfItems : 12 NumberOfPieces : 12 PartNumber : a16071500ux0068 ProductDescription : Made of 304 stainless steel material, meaning these fully threaded rods will not rust no matter how many years you use them for. Fully threaded rods thread along its entire length. Threaded rods and studs are fasteners that screw into threaded nuts or tapped holes, allowing for assembly of components.