Tools & Gear Taps & Dies Chrome Alloy Button Dies and Die Nuts

4822-3/8-2D 3/8" x 18 x 2" OD NPT Chrome Button Die National Pipe Taper (NPT). Chrome alloy button dies are most commonly used in conjunction with a die stock handle. They can be used as thread chasers to clean an existing thread. They can also be used to create a new male thread on non-ferrous metals and plastics. Chrome alloy dies are not suitable for creating precision, safety or critical threads.