ASTM CLASS 35 CAST IRON.
Normalized & Ground.
Similar to Mill Fixture Bases except the longest base dimension is perpendicular to the machine table slot. Ideal for Gang Milling.
All Mill Fixture Bases and Gang Mill Fixture Bases are constructed of ASTM class #40 cast iron. The tops and bottoms are precision ground to within a .002" parallelism. Front edges are finished parallel to the two 0.625 reamed holes and all mounting surfaces are mill finished.