Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Thread Size (Inch): 7/16-20
Number of Flutes: 3
Class of Fit: 2B
Material: High Speed Steel
Through Coolant: NonThrough Coolant
Thread Direction: Right Hand
Overall Length (Inch): 3-5/32
Thread Standard: UNF
Thread Length (Inch): 3/4
Shank Diameter (Decimal Inch): 0.3230
Square Size (Decimal Inch): 0.2420
Material Application: Aluminum; Carbon Steel