Pratt Burnerd 250mm D1-4 fully machined camlock backplate
These backplate are fully machined to suit Prrat Burnerd 3 & 4 jaw chucks and may be used on other chucks with the same register & mounting holes
To suit Pratt Burnerd 250mm 3 jaw chucks
250mm & 315mm 4 jaw chucks
Register = 200mm
Holes = 7 x M12 on 224mm P.C.D.
Part Number 8271-25223