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Home  >>  Products  >>  Surface Profile  >>  Surface Roughness Standards Set

Surface Roughness Standards Set

The scale conforms to S.A.E. and military specifications for visual and tactile inspection.

Surface Roughness Standards Set


Ideal for use in the Drafting Room, Engineering Department or in the small shop. This set has 30 specimens, each are 7/8" x 3/8" comprising of:

  • 3 Specimens Flat Lapping - 2, 4 and 8µ" AA
  • 3 Specimens Reaming - 16, 32 and 63µ" AA
  • 6 Specimens Grinding - 2, 4, 8, 16, 32 and 63µ" AA
  • 6 Specimens Horizontal Milling - 16, 32, 63, 125, 250 and 500µ" AA
  • 6 Specimens Vertical Milling - 16, 32, 63, 125, 250 and 500µ" AA
  • 6 Specimens Turning - 16, 32, 63, 125, 250 and 500µ" AA




Our economy, composite set as shown here consists of 30 specimens 7/8" x 3/8" of electroformed solid nickel. Each type of surface finish, such as flat lapping, reaming, grinding, horizontal milling, vertical milling, and turning, is truly and consistently reproduced so as to give the operator or designer a realistic idea of the feel, appearance, and texture of the machined components. A set of instructions is included with each set. By means of this set, or one of our individual (larger) standards specimen scale sets, quick and easy comparisons can be made, thus eliminating costly checking methods, saving valuable production time, and stopping the production of scrap caused by poor finishes.

Made of solid electroformed nickel, a truly international set with markings in AA (microinches) and metric in Ra (micrometers).

Surface Roughness Standards Set Close Up



Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

Includes Special Wallet, Instructions and Graph which correlates CLA, AA, and Ra values plus I.S.O. "N" scale overall size of scale is 6" x 3"
SU-010010 Surface Roughness Standards Composite Set - Surface Roughness Standards (Includes Certificate of Conformance) $150.00
SU-010010/C Surface Roughness Standards Composite Set - Complete with Long Form Calibration Report Traceable to N.I.S.T. 380.00


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