250mm A2-4 Fully Machined Backplate
These backplate are fully machined to suit Pratt Burnerd 3 & 4 jaw chucks and may be used on other chucks with the same register & mounting holes.
To suit Pratt Burnerd 250mm scroll chucks & 250/315mm independent chucks.
Register = 200mm
Holes = 7 x M10 on 224mm P.C.D.
Part Number 8271-25212