Specification Brand : REGAL BulletPoint1 : Price For: Each Tap Chamfer: Modified Bottoming Number of Pieces: 1 Shank Dia.: 0.318" Tap Dimension Type: Inch Item: Tap Tap Grouping: Tap Tap Material: High Speed Steel Standards: ANSI Overall Length: 2-23/32" Number of Flutes: 3 Thread Direction: Right Hand Tap Style: Spiral Flute Tap Thread Size: 5/16"-18 Tap Thread Type: UNC Tap Finish: Oxide BulletPoint2 : Pitch Diameter Limit: H3 List Number: 8304 Thread Length: 15/32" Country of Origin (subject to change): United States ItemName : 5/16 X 18 HSG H3 Fast Spiral 3 Flute Plug TAP (008400AS) ItemPackageQuantity : 1 ItemTypeKeyword : spiral-flute-threading-taps Manufacturer : REGAL Material : High Speed Steel NumberOfItems : 1 NumberOfPieces : 3 PartNumber : B-1-13-3-28 ProductDescription : FACTORY FRESH AND LOWER PRICE, 5/16 X 18 FAST SPIRAL H3 PLUG TAP 3 FLUTES ProductSiteLaunchDate : 2017-10-02T16:56:52.427Z Size : One Size