BOL threading machine die head quick opening die head 811A . RIDGID types.

1. For use with threading machines, 2", 3" and 4"

2. All made of durable ductile cast iron

3. Parts processed by CNC to gurantee precise size and steady working performance

4. Interchangeable with RIDGID relevant parts

This types die head can  be quickly adjusted from 1/2in to 2 in with manual release ,all die heads are through-head oiling .