Specification Brand : Greenfield Threading BulletPoint1 : Thread Diameter: 5/16" BulletPoint2 : Threads Per Inch: 56 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 : Hand Tap, Bottom, #10-32, Bright, 2 Flt ItemPackageQuantity : 1 ItemTypeKeyword : hand-threading-taps Manufacturer : GREENFIELD THREADING Material : high_speed_steel-hss NumberOfItems : 1 PartNumber : TAST-5/16-56 ProductDescription : High Speed Steel Ground Thread Plug Taps for special pitches. ProductSiteLaunchDate : 2014-11-01T12:00:00.000-08:00