Specification Brand : Taps - Special Pitch BulletPoint1 : Thread Diameter: 1/4" BulletPoint2 : Threads Per Inch: 27 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. BulletPoint5 : If you have any needs,You can tell me by email, I will try my best to meet you.Welcome to our store, It has many styles, You can go to the store to browse. Color : M3.5x0.35 ExternallyAssignedProductIdentifier : 9195929748186 ItemName : 1/4-27 Special Pitch Plug Tap, High Speed Steel ItemPackageQuantity : 1 ItemTypeKeyword : hand-threading-taps Manufacturer : Taps - Special Pitch Material : high speed steel NumberOfItems : 1 PartNumber : TAST-1/4-27 ProductDescription : High Speed Steel Ground Thread Plug Taps for special pitches. ProductSiteLaunchDate : 2005-02-13T00:00:00.000Z UnitCount : 1 UnspscCode : 27111700