Specification Brand : uxcell BulletPoint1 : Thread Size: M4 x 12mm/M4 x 0.47"(Thread.Dia x Total.L) BulletPoint2 : Head: Flat Head, Drive Type: Phillips, Quantity: 100 pcs BulletPoint3 : Made of carbon steel for high hardness and strength. Black oxide finishes for corrosion and resistance. BulletPoint4 : The threaded design can screw into the hardwood faster and reduce the cracking problem, for wood and fiberboard are the good replacement. BulletPoint5 : Widely used in electronics, communication, electric power products, cultural goods, floorboard fastening applications, etc. Color : Black Oxide DriveSystem : Phillips ExteriorFinish : Black Oxide,Steel ExteriorFinish1 : Copper ExteriorFinish2 : Bronze ExteriorFinish3 : Brass ExternallyAssignedProductIdentifier1 : 728456081335 ExternallyAssignedProductIdentifier2 : 0728456081335 ItemDisplayWeight : 7 ounces ItemName : uxcell M4 x 12mm Wood Screws Phillips Flat Head Carbon Steel Self Tapping Screws Black 100pcs ItemPackageDimensions_Height : 8.9916 centimeters ItemPackageDimensions_Length : 1.8034 centimeters ItemPackageDimensions_Width : 6.096 centimeters ItemPackageQuantity : 8 ItemTypeKeyword : self-tapping-screws Manufacturer : uxcell Material : Carbon Steel Material1 : Copper Material2 : Bronze Material3 : Brass MeasurementSystem : Imperial MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Carbon Steel MetalType1 : Copper MetalType2 : Bronze MetalType3 : Brass ModelNumber : a21042900ux0752 NumberOfItems : 200 NumberOfPieces : 100 PartNumber : a21042900ux0752 ProductDescription : Feature: Made of carbon steel for high hardness and strength. Black oxide finishes for corrosion and resistance. Widely used in electronics, communication, electric power products, cultural goods, floorboard fastening applications, etc. the wood screws have a flat head design that can provide a flush surface in countersunk holes. Description: Product Name: Flat Head Phillips Screws/Self Tapping Screws Material: Carbon Steel Thread Size: M4 x 12mm/M4 x 0.47"(Thread.Dia x Total.L) Head Size: 7mm x 2.6mm/0.28" x 0.1"( Max.d x T) Finish: Black Oxide Drive Type: Phillips Head Style: Flat Phillips Head Package Content: 100pcs x Self Tapping Screws