Specification Brand : Tap-Drill-Combo BulletPoint1 : Size: 1/4-28 BulletPoint2 : Thread Length: 15/16 BulletPoint3 : Drill Length: 17/32 BulletPoint4 : National Fine Thread ItemName : 1/4"-28 Combined Drill and Tap, High Speed Steel ItemPackageQuantity : 1 ItemTypeKeyword : combined-drill-countersinks Manufacturer : Tap-Drill-Combo Material : High Speed Steel NumberOfFlutes : 16 NumberOfItems : 1 PartNumber : CDT-1/4-28 ProductDescription : Single pass tool reduces the number of operations, saving time and money. Used for through holes, tapping lengths up to twice the thread diameter. ProductSiteLaunchDate : 2005-02-13T00:00:00.000Z UnspscCode : 27111700