F300 Circular Split Dies

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 external threads less than three times diameter in length.

Also available in MF, UNC, G(BSPF) thread forms.

Tolerance: 6g Adjustable.
Chamfer Lead: Two Threads.
Surface treatment: Bright.
Material: HSS - High Speed Steel.

BS1127:1950

Thread: 12mm x 1.75.
Diameter: 1 5/16 in.