1. 12"x6" Boring mill jaws, casting steel made jaws bases and forging steel made top jaws. Jaw base 12" long and bolt-holes distance 7" on these 12"x7" boring mill jaws;

2. Used on vertical boring mills, horizontal lathes, deep-hole borers, roll grinders etc.;

3. Can always be custom made to your unique requirements. Jaws can be in 2-piece bolt-on types.