12 BOLT HOLES WITH CORNER AND MID WALL NOTCH REFERENCE STANDARD (Inch Version) 12 Hole Calibration Standard, Hole Sizes; 1/8", 5/32", 3/16", 7/32" 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4" inch diameters. (0.030" x 0.030" Corner and 0.020" x 0.020" Midwall EDM Notches in each Hole. Includes Test Report and Certificate of Conformance. DIMENSION: 6" (L) x 2.5" (W) x 0.25" (T) Holes SIZE: Ø1/8", 5/32", 3/16", 7/32" 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", and 3/4" Hole Notch Configurations: • 0.03" x 0.03" (45°) corner notch @ 0.005" wide in each hole (Qty 12) • 0.02" (L) X 0.02" (D) MID-WALL NOTCH @0.005" wide in each hole - (Qty 12) NOTE: For special alloy request by mail.

12 BOLT HOLES WITH CORNER AND MID WALL NOTCH REFERENCE STANDARD (Metric Version) 12 Hole Calibration Standard, Hole Sizes 3.2, 4, 4.8, 5.56, 6.35, 7.94, 9.53, 11, 12.7, 14.3, 15.9 and 19mm diameters. 0.76mmX0.76mm Corner and 0.5mm(L) X 0.5mm(D) Midwall EDM Notches in each Hole. Includes Test Report and Certificate of Conformance. DIMENSION: 152mm (L) x 65mm (W) x 6.35mm (T) Holes SIZE: Ø3.2, 4, 4.8, 5.56, 6.35, 7.94, 9.53, 11, 12.7, 14.3, 15.9 and 19mm Hole Notch Configurations: • 0.76mm X 0.76mm (45°) corner notch @ 0.12mm wide in each hole (Qty 12) • 0.5mm(L) X 0.5mm(D) MID-WALL NOTCH @0.12mm wide in each hole - (Qty 12) NOTE: For special alloy request by mail.