14 BOLT HOLES 2 CORNER AND 1 SURFACE NOTCH REFERENCE STANDARD (Inch Version) 14 Hole Calibration Standard, Hole Sizes; 1/8" 5/32", 3/16", 7/32", 1/4", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16" and 3/4 inch diameters. (0.030" x 0.030" and 0.020" x 0.020" Corner EDM Notches in each Hole Per Boeing B737 PT 6 51-00-00 Procedure 16 Fig.3, 1 Surface EDM Notch .020" Deep X 0.750" Long 0.005" MAX Width. Includes Test Report and Certificate of Conformance. DIMENSION: 5.5" (L) x 2.2" (W) x 0.25" (T) Holes SIZE: Ø1/8" 5/32", 3/16", 7/32", 1/4", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16" and 3/4". Surface Notches: Qty 1 @ 0.020" deep x 0.75" long X 0.005" wide Hole Notch Configurations: • 0.030" x 0.030" x 0.005" max width corner notch in each hole (Qty 14) • 0.020" x 0.020" x 0.005" max width corner notch in each hole (Qty 14) NOTE: For special alloy request by mail.

14 BOLT HOLES 2 CORNER AND 1 SURFACE NOTCH REFERENCE STANDARD (Metric Version) 14 Hole Calibration Standard, Hole Sizes; 3.2, 4, 4.8, 5.56, 6.35, 7.94, 8.7, 9.53, 11, 12.7, 14.3, 15.9, 17.5 and 19mm diameters. (0.76mm X 0.76mm and 0.5mm X 0.5mm Corner EDM Notches in each Hole Per Boeing B737 PT 6 51-00-00 Procedure 16 Fig.3, 1 Surface EDM Notch 0.5mm Deep X 19mm Long 0.12mm MAX Width. Includes Test Report and Certificate of Conformance. DIMENSION: 135mm (L) x 55mm (W) x 6.35mm (T) Holes SIZE: Ø3.2, 4, 4.8, 5.56, 6.35, 7.94, 8.7, 9.53, 11, 12.7, 14.3, 15.9, 17.5 and 19mm Surface Notches: Qty 1 @ 0.5mm deep x 19mm long X 0.12mm wide Hole Notch Configurations: • 0.76mm x 0.76mm x 0.15mm max width corner notch in each hole (Qty 14) • 0.5mm x 0.5mm x 0.15mm max width corner notch in each hole (Qty 14) NOTE: For special alloy request by mail.