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3-jaw x 4" simultaneous metal lathe chuck plain back


This is a heavy duty 4" diameter x 3-Jaw Self Centering Metal Lathe Chuck with a plain back. This beautiful chuck has the following specifications:
Body is 4" (100mm) in diameter x 2-3/16" (55mm) thick (jaws project 3/4" out from body)
Includes (3) Inside jaws, (3) outside jaws, large chuck key, & (3) mounting bolts
Smallest diameter gripped by jaws = .079" (2mm)
Largest diameter gripped by jaws = 3.543" (90mm)
Run-out of chuck body = .001" (.03mm)
Run-out of test bar in jaws = .003" (.08mm)
This is a plain back chuck, but it has (3) 8mm threaded holes on the outer ring in a 84mm dia bolt hole circle...positioned 120 degrees apart.
If you need an accurate, heavy duty, self centering chuck at an affordable price, this high quality imported chuck will fill the bill.
We also carry the following metal lathe chucks:
6" x 3-Jaw Simultaneous & 8" x 3-Jaw Simultaneous
Please email for details and prices. **NOTE: WE DO NOT CARRY BACK PLATES!



3-jaw x 4 3-jaw x 4