Specification Brand : IRWIN CuttingAngleString : 82.0 degrees ExternallyAssignedProductIdentifier1 : 0042526925504 ExternallyAssignedProductIdentifier2 : 042526925504 ItemName : Irwin Installer Drill Bit 1/2 ", 18 " Long 3/8 " Shank ItemPackageQuantity : 2 ItemTypeKeyword : installer-drill-bits Manufacturer : IRWIN ModelNumber : 1890711 PartNumber : 1890711 ProductDescription : Straight Shank Installation Bits: Flute hole for easy passage of wire through walls, ceilings and floors. The 3-flat shank prevents slipping in the chuck and includes a wire pulling hole. Designed for use on wood. 82 degree point for fast and smooth drilling in wood. ProductSiteLaunchDate : 2015-01-04T00:00:00.000-08:00 SafetyDataSheetUrl : https://ace.infotrac.net/getmsds.aspx?SKU=23970 SurfaceRecommendation : Steel,Wood UnitCount : 1 UnspscCode : 27110000