Dormer circular split dies can be used by hand or machine. Because the die has a split it can be adjusted slightly to provide a thread slightly smaller or larger than the norm. Metric Coarse Adjustable Dies. Application: For production of components less than three times diameter in length. Tolerance: 6g Adjustable. Chamfer Lead: Two Threads. Surface treatment: Bright.
Material: HSS. High Speed Steel. BS1127: 1950 Thread 6mm x 1. 00 Diameter 1 in