Adjustable Type
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FEATURES: Precision tooling ball used as a reference point for critical inspection, layout, and machining operations. Adjustable type has no shoulder, so it can be set at any desired height then locked with a setscrew. Concentricity between ball and shank is .0002" TIR.
SIZES: Available with ball diameters from 1/4 to 1/2", in various shank diameters and lengths — see Dimensions page for part numbers, and Size Comparison page for a group photo of all sizes.
MATERIAL (ONE PIECE): 1144 steel, heat treated Rc 54-56.
MATERIAL (TWO-PIECE WELDED): Ball > 52100 steel, heat treated Rc 54-56. Shank > 1018 steel.
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