Overview

• Hand taps are used to cut threads in blind or through holes
• They are used by hand or in general purpose machine operations
• High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials
• Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece
• It is commonly used on low carbons, stainless steel and ferrous metals
• Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes
• They have 3 to 5 threads.