Specification Brand : Star USA BulletPoint1 : High Speed Steel BulletPoint2 : Size: 5/8 BulletPoint3 : Threads per Inch: 11 BulletPoint4 : Flutes: 4 BulletPoint5 : Groung Thread Limit: H3 ItemName : 5/8 - 11 Left Hand HSS Bottoming Hand Tap - USA ItemTypeKeyword : hand-threading-taps Manufacturer : Star USA Material : High Speed Steel NumberOfItems : 1 PartNumber : 3178881174 ProductDescription : Ground Thread / For tapping left hand threaded holes. / Bottoming (1- 2) Thread Chamfer, designed for threading near the bottom of blind holes. ProductSiteLaunchDate : 2011-10-07T07:00:00.000Z UnspscCode : 52140000