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FEATURES: Step Plug Gages have two gaging diameters to allow checking GO and NO-GO tolerances simultaneously, or for checking stepped IDs. Durable, precision gage pins for production gaging. Step Plug Gages are hardened and cold stabilized. They are precision lapped to a 10-microinch surface finish, with ends ground square. All gages are 2" long.
SIZES: Pin diameter "A" is standard in any size from .061 to 1.000", in .001" increments. Step diameter "B" is quickly ground to order in any .0001" increment, subject to the "Maximum Diameter Difference" listed in the table — see Dimensions page. B diameter cannot be less than .058". Specify either P (Plus) or M (Minus) tolerance on both diameters when ordering. Example:| | CL-.252M-.2505P | | | (A = .252" dia, Minus tolerance) | | | (B= .2505" dia, Plus tolerance) |
TOLERANCES: Standard tolerances for these production gages are +.0002/-.0000 (Plus) and +.0000/-.0002 (Minus), known as "Class ZZ". In most applications, GO gages should have a Plus tolerance and NO-GO gages should have a Minus tolerance. This keeps the gage's tolerance within the workpiece's tolerance at all times, and allows for wear of the GO gage.
SPECIALS: Step Plug Gages are also available with the A diameter in .0001" increments, as specials. Standard step length (C dimension) is shown in the tables, with special step lengths available.
MATERIAL: 52100 steel, heat treated Rc 60-62. |
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