Plain-back chucks require the adapter plate to be machined before mounting to ensure concentricity.
3-3/4~6 thread (T-UNS3).
Made of high grade casting steel.
Shipping Weight: 10.7 lbs
Many metalworking products contain metals that are included in
the latest Prop 65 warning. Exposure to the elements can be
harmful. May cause cancer and reproductive harm.
