Specification Brand : Taps - Special Pitch BulletPoint1 : Thread Diameter: 1/4" BulletPoint2 : Threads Per Inch: 16 BulletPoint3 : High Speed Steel. Ground Thread. BulletPoint4 : Plug style special pitch tap - the most popular style hand tap, with a chamfer in between Taper Taps and Bottoming Taps. ItemName : 1/4-16 Special Pitch Plug Tap, High Speed Steel ItemPackageQuantity : 1 ItemTypeKeyword : hand-threading-taps Manufacturer : Taps - Special Pitch NumberOfItems : 1 PartNumber : TAST-1/4-16 ProductDescription : High Speed Steel Ground Thread Plug Taps for special pitches. ProductSiteLaunchDate : 2005-02-13T00:00:00.000Z