Tap Set: 1/2-20 UNF, 4 Flute, Bottoming Plug & Taper, High Speed Steel, Gold & Oxide Finish MPN:BDNA-20687

The Starrett tap set for 1/2 - 20 UNF (coarse thread) is ideal for users looking for a reliable and efficient tapping solution in high-strength steel applications, the plugs with knurl and recess to accommodate for small holes in blind and through holes. This kit features a four flute design optimized for improved chip flow resulting in quicker thread starts, the use of high speed steel ensures maximum strength and durability against the harshest working conditions, and the exclusive Starrett gold & oxide finish offers superior lubricity while resisting rust and oxidation. This versatile kit is perfect for machinists or maintenance professionals in aerospace, automotive, military, and tool manufacturing industries that require precise tapping operations on heavy duty materials, making it the optimal choice for dependable tapping results.