METRIC COARSE 1.5" CHROME BUTTON DIE | MC BORDOMC METRIC COARSE 1. 5" CHROME BUTTON DIE About this item: High quality split circular chrome alloy button dies designed for use with a die stock handle. Ideal for chasing and cleaning existing threads as well as creating new male threads on non ferrous metals and plastics. Engineered with a 60 thread angle, featuring a flat crest and root clearance to ensure excellent engagement between external and internal threads. Larger root radius and reduced