Shoulder Type
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FEATURES: Precision tooling ball used as a reference point for critical inspection, layout, and machining operations. Shoulder type has a precision height-reference shoulder to locate the ball in three dimensions. Concentricity between ball and shank is .0002" TIR. Made in USA.
SIZES: Available with the following ball diameters, in various shank diameters and lengths — see Dimensions page for part numbers, and Size Comparison page for a group photo of all sizes:| | 1/4 | | 6mm | | | 3/8 | | — | | | 1/2 | | 12mm | | | 3/4 | | — |
MATERIAL: 1144 steel, heat treated Rc 54-56.
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