UNF UNIFIED NATIONAL FINE BUTTON DIES SUTTON NOMINAL DIAMETER X THREADS PER INCH:7/16 X 20 Recommended operating pressure: 6

Recommended operating pressure: 6

Included Components: The set includes a 3

silicone can be cleaned with mild detergents and the elastomeric parts checked for loss of flexibility to determine serviceability

Sheet Metal - Ideal for upholstery work

UNF UNIFIED NATIONAL FINE BUTTON DIES SUTTON NOMINAL DIAMETER X THREADS PER INCH:7/16 X 20 Recommended operating pressure: 6Sutton Tools manufactures high quality UNF (Unified National Fine) button dies, designed specifically for cutting new male external threads or cleaning up existing threads on studs and bolts. BREAK DOWN OF 1 4 X 28 TPI 1. 1 4" 28 TPI (The Thread Profile) 1 4" (Nominal Diameter): This is designed for a rod or bolt measuring exactly 1 4 of an inch (6. 35 mm) in diameter. 28 TPI (Threads Per Inch): There are exactly 28 thread crests per inch along the