Spiral Point STI Tap: 3/8-16 UNC, 4 Flutes, Plug, High Speed Steel, Oxide Finish MPN:7557221

Spiral point STI tap 3/8-16 UNC offers exceptional threading capabilities with its high-speed steel construction and four flutes for better chip removal, reducing breakage and heat buildup. This tap has a plug finish and is ideal for through-hole applications in materials such as stainless steel, cast iron, brass or aluminum. The oxide finish further enhances the durability of this tap and offers excellent lubricity while preventing galling. Its overall length measures 4 inches with a width of 0.531 inches, and it comes in various sizes from 6-32 to -20 UNC, making it suitable for broad applications across industries like automotive or aerospace engineering where precise threads are critical.