Pratt Burnerd 400mm BS 10in fully machined backplate
These backplates 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 400mm scroll chucks.
Register = 330mm
Holes = 7 x M16 on 362mm P.C.D.
Part Number 8271-40204