11 BOLT HOLES WITH CORNER AND SURFACE NOTCH CALIBRATION REFERENCE STANDARD (Inch Version) 11 hole Reference Standard. Contains 11 hole sizes; 7/64", 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4" and 1.0" inch diameters.( 0.030" X 0.030" Corner EDM Notch and 3 Surface EDM Notches at .010", .020", .040" DEEP x .750" LONG.) Includes Test Report and Certificate of Conformance. DIMENSION: 6" (L) x 2.5" (W) x 0.25" (T) Holes SIZE: Ø7/64", 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4" and 1.0" Surface Notches: Qty 3 @ 0.01", 0.02" and 0.04" deep x 0.75" long X 0.006" wide Hole Notch Configurations: • 0.03" x 0.03" (45°) corner notch @ 0.005" wide in each hole (Qty 12)

11 BOLT HOLES WITH CORNER AND SURFACE NOTCH CALIBRATION REFERENCE STANDARD (Metric Version) 11 hole Reference Standard. Contains 11 hole sizes; 2.8, 3.2, 4.8, 6.35, 7.94, 9.53, 11, 12.7, 15.9, 19 and 25.4mm diameters.( 0.76mmX0.76mm Corner EDM Notch and 3 Surface EDM Notches at 0.25, 0.5 and 1mm deep x 19mm long X 0.15mm wide. Includes Test Report and Certificate of Conformance. DIMENSION: 152mm (L) x 65mm (W) x 6.35mm (T) Holes SIZE: Ø2.8, 3.2, 4.8, 6.35, 7.94, 9.53, 11, 12.7, 15.9, 19 and 25.4mm Surface Notches: Qty 3 @ 0.25, 0.5 and 1mm deep x 19mm long X 0.15mm wide Hole Notch Configurations: • 0.76mm X 0.76mm (45°) corner notch @ 0.12mm wide in each hole (Qty 12) NOTE: For special alloy request by mail.