Specification Brand : MroMax BulletPoint : RF SCRW HX #12X1.5" 75PK BulletPoint1 : [Size] - Thread:M7,Head Diameter:10mm/0.39",Groove Size:4mm/0.16",Total Length:40mm/1.57" BulletPoint2 : [Advantages] - In order to replace the disadvantages of the original assembly products using wire screws and nuts. Reduce costs and avoid the risk of nut falling out. BulletPoint3 : [Durable Screws] - Connecting screws can be removed and reinstalled several times without loss of holding power. BulletPoint4 : [Design] - Flat head hex socket confirmat screws have a large shoulder under the head that lock the screw into the wood and prevent pulling through into softer materials. It has a blunt point, need to make a hole and then screw in. BulletPoint5 : [Application] - Mainly used in the furniture industry, such as cabinets, chairs, wooden toys or other types of box construction etc. Color : No Color Department : unisex-adult DriveSystem : Internal Hex ExteriorFinish : Zinc,Metal,Steel ExternallyAssignedProductIdentifier1 : 840086919731 ExternallyAssignedProductIdentifier2 : 0840086919731 ImportDesignation : Made in the USA IncludedComponents : RF SCRW HX #12X1.5" 75PK ItemName : MroMax M7x40mm Confirmat Screws Carbon Steel Inner Hex Self-Drilling Screw for Wooden Board Connection Black 20pcs ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : self-drilling-screws Manufacturer : MroMax Material : Carbon Steel MeasurementSystem : Imperial MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Carbon Steel ModelName : RF SCRW HX #12X1.5" 75PK ModelNumber : MRO190822S-0108 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 20 PackageLevel : unit PartNumber : MRO190822S-0108 ProductDescription : Self-drilling screws, a type of self-tapping screw, are threaded fasteners that drill their own hole and thread it as they are installed. Usually only recommended for use with metal, self-drilling screws are available with wings that enable use when fastening wood to metal. The drill point length should be long enough to penetrate both materials being fastened before the threading portion reaches the material.