400mm Pratt Burnerd 4 Jaw Independent Steel Body ChuckD1-8 1643-20D8
These large independent chucks are offered in steel construction. They can be supplied with plain recesses for adaptor mounting, or to suit most national and international standard spindle mounts.
Cross tenon base and hard top jaws are supplied as standard with the option of
soft-top jaws or single piece hard reversible jaws available on request.
The bore sizes specified are standard. Chucks with larger bore sizes, generally up
to 50% of body diameter are available on request.
Sizes 12" through 36"
Two-piece reversible American standard tongue and groove jaws
Hardened and ground operating screws
Steel body
T-slots standard on 16" sizes and larger
Straight recess for adapter mounting
Larger chucks available up to 60" on request
Twelve month warranty
Specifications
Bore = 4.055"
Mount = D1-8
Suppied with one set of base & hard top reversible jaws, chuck key and mounting screws.
Part Number 1643-20D8
For full specifications please click here