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12 HOLE REFERENCE STANDARD, 304 STAINLESS STEEL. HOLE SIZES: 3/16″, 7/32″ 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 7/16″, 1/2″, 9/16″ 5/8″, 3/4″ .020″ x .004″ +/- .001″ Wide Thru EDM Notch. A Total of 4 Surface EDM Notches .005″, .010″, .020″, .050″ Tolera…

12 HOLE REFERENCE STANDARD, 6AL-4V TITANIUM. HOLE SIZES: 3/16″, 7/32″ 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 7/16″, 1/2″, 9/16″ 5/8″, 3/4″ .020″ x .004″ +/- .001″ Wide Thru EDM Notch. A Total of 4 Surface EDM Notches .005″, .010″, .020″, .050″ Tolerance: .005″ +/-.001″. Manufactured in accordance to UASF T.O 33-B-1-1. Includes Test Report and Certificate of Conformance.

EDDY CURRENT SURFACE REFERENCE STANDARD, 4 EDM NOTCHES .005″, .010″, .020″ and .050″ x (.004″W +/- .002). MATERIAL: 7075-T6 ALUMINUM. SIZE: 1.0″W x 4.0″L x .25″. Includes Test Report and Certificate of Conformance.

Custom Bolt Hole Calibration Block, 2024-T3 Aluminum. Hole Diameter 3/8″ (.375″)Ø Contains one EDM Corner Notch .030″ x .030″ +/- .001″, and one EDM Radius Thumbnail Notch .120″ long x .030 deep +/- .001 . Block Size = 2.0″ x 2.0″ x .25″. Includes Test Report and Certificate of Conformance.

6 STEP WEDGE, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm +/- .05mm. Material: 7075 Aluminum. Pad Size: 19mm x 19mm square. Includes Test Report Traceable to NIST and Certificate of Conformance.

5 STEP WEDGE .500″, .600″,. 700″, .800″, 1.00″ MATERIAL: 7075-T6 ALUMINUM. PAD SIZE: .75″ X .75″ TOLERANCE = +/- .001. Includes Test Report and Certificate of Conformance.

EDDY CURRENT SURFACE REFERENCE STANDARD, NOTCHES .020″(0.5mm), .040″(1.0mm), .079″(2.0mm) (.005″W +/- .002), 304 STAINLESS STEEL. SIZE: 1.0″W x 4.0″L x .25″. Includes Test Report and Certificate of Conformance.

6 Hole reference standard (Aluminum 7075-T6 manufactured in accordance with Boeing Specification 51-00-02 Part 6 Procedure 1 or 2. Hole Sizes: 15/32″, 17/32″, 9/16″, 11/16″, 5/8″, 3/4″ ( .020″ x .020″ x .005″ +/- .002), ( .030″ x .030″ x .005″ +/- .002) Corner EDM Notches. Includes Test Report and Certificate of Conformance.

5 Hole reference standard (Aluminum 7075-T6 manufactured in accordance with Boeing Specification 51-00-16 Part 6 Page 9 Figure 3. Hole Sizes: 11.5mm, 14.4mm, 14.6mm, 17.4mm and 17.5mm. Corner EDM Notches ( .020″ x .020″ x .005″ +/- .002), ( .030″ x .030″ x .005″ +/- .002). Includes Test Report and Certificate of Conformance.

767 PT 6 51-00-16 FIG 16, 777 PT 6 51-00-02 PROCEDURE 3, 787 PT 6 51-00-02 PROCEDURE 1. Hole Sizes: 3/16”(.188), 7/32”(.218),1/4”(.250), 9/32”(.281), 5/16”(.313), 11/32”(.343), 3/8”(.375), 7/16”(.437), 1/2”(.500), 9/16”(.562), 5/8”(.625), 3/4”(.750 Ø, 3 Surface EDM Notches .008″, .020″, .040″ MATERIAL: 2024-T3 OR 7075-T6 ALUMINUM. Includes Test Report and Certificate of Conformance.

CUSTOM 12 HOLE REFERENCE STANDARD PER BOEING SPECIFICATION STANDARD 737 PT 6 51-00-00, 747, 757, 767 PT 6 51-00-16 FIG 16, 777 PT 6 51-00-02 PROCEDURE 3, 787 PT 6 51-00-02 PROCEDURE 1. Hole Sizes: 3/16”(.188), 7/32”(.218),1/4”(.250), 9/32”(.281), 5/16”(.313), 11/32”(.343), 3/8”(.375), 7/16”(.437), 1/2”(.500), 9/16”(.562), 5/8”(.625), 3/4”(.750 Ø, 3 Surface EDM Notches .008″, .020″, .040″ MATERIAL: 4130 or 4340 Steel. Includes Test Report and Certificate of Conformance.

CUSTOM 12 HOLE REFERENCE STANDARD PER BOEING SPECIFICATION STANDARD 737 PT 6 51-00-00, 747, 757, 767 PT 6 51-00-16 FIG 16, 777 PT 6 51-00-02 PROCEDURE 3, 787 PT 6 51-00-02 PROCEDURE 1. Hole Sizes: 3/16”(.188), 7/32”(.218),1/4”(.250), 9/32”(.281), 5/16”(.313), 11/32”(.343), 3/8”(.375), 7/16”(.437), 1/2”(.500), 9/16”(.562), 5/8”(.625), 3/4”(.750 Ø, 3 Surface EDM Notches .008″, .020″, .040″ MATERIAL: 6AL-4V titanium. Includes Test Report and Certificate of Conformance.

5 STEP WEDGE .750″, 1.000″, 1.250″, 1.500″, 2.000″. TOLERANCE +/-.001″. MATERIAL: 2219-T8 ALUMINUM, CLEAR ANODIZED. PAD SIZE: 750″ x .750″ . Includes Test Report traceable to NIST and Certificate of Conformance.

20 HOLE REFERENCE STANDARD 2024-T3 ALUMINUM. HOLE SIZES: 1/8, 5/32, 11/64, 3/16, 13/64, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/32, 9/16, 5/8, 11/16, 3/4. TOTAL OF 20 CORNER EDM NOTCHES .030 x .030 x .005 +/-.001. TOTAL OF 20 SURFACE TO SURFACE( THROUGH) EDM NOTCHES .020″ x .005″ +/-.001″. Includes Test Report and Certificate of Conformance.

20 HOLE REFERENCE STANDARD 4340 STEEL. HOLE SIZES: 1/8, 5/32, 11/64, 3/16, 13/64, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/32, 9/16, 5/8, 11/16, 3/4. TOTAL OF 20 CORNER EDM NOTCHES .030 x .030 x .005 +/-.001. TOTAL OF 20 SURFACE TO SURFACE( THROUGH) EDM NOTCHES .020″ x .005″ +/-.001″. Includes Test Report and Certificate of Conformance.

20 HOLE REFERENCE STANDARD 4340 STEEL. HOLE SIZES: 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 13/32″, 7/16, 15/32, 1/2, 9/16, 1/2, 17/32, 9/16″,19/32″, 5/8″, 21/32″, 11/16″, 23/32″, 3/4″. TOTAL OF 20 CORNER EDM NOTCHES .030 x .030 x .005 +/-.001. TOTAL OF 20 SURFACE TO SURFACE( THROUGH) EDM NOTCHES .020″ x .005″ +/-.001″. Includes Test Report and Certificate of Conformance.

6 STEP CALIBRATION BLOCK, STEP SIZES .040″, .063″, .100″, .150″, .200″, .300″ in 2024-T3 Aluminum. PAD SIZE: 1″ X 1″ X 6″ ± .001″. Includes Test Report and Certificate of Conformance.

6 STEP CALIBRATION BLOCK, STEP SIZES .040″, .063″, .100″, .150″, .200″, .300″ in 7075-T6 Aluminum. PAD SIZE: 1″ X 1″ X 6″ ± .001″. Includes Test Report and Certificate of Conformance.

Custom Metric 7 StepThickness Measurement Calibration Block Per ASTM E797 / E797M-15. Material: 1018 Carbon Steel . Step Thicknesses of: 1, 3, 5, 10, 15, 20 & 25mm. Pad Size: 20mm ±1mm x 20mm ±0.5mm. Includes Certification Report for step thickness and Certificate of Conformance.

Custom Metric 7 Step Thickness Measurement Calibration Block Per ASTM E797 / E797M-15. Material: Aluminum 2024-T351. Step Thicknesses of: 1, 3, 5, 10, 15, 20 & 25mm. Pad Size: 20mm ±1mm x 20mm ±0.5mm. Includes Certification Report for step thickness and Certificate of Conformance.

Custom Metric 7 StepThickness Measurement Calibration Block Per ASTM E797 / E797M-15. Material: 4340 Carbon Steel . Step Thicknesses of: 1, 3, 5, 10, 15, 20 & 25mm. Pad Size: 20mm ±1mm x 20mm ±0.5mm. Includes Certification Report for step thickness and Certificate of Conformance.

Custom Metric 7 Step Thickness Measurement Calibration Block Per ASTM E797 / E797M-15. Material: Aluminum 7075-T6. Step Thicknesses of: 1, 3, 5, 10, 15, 20 & 25mm. Pad Size: 20mm ±1mm x 20mm ±0.5mm. Includes Certification Report for step thickness and Certificate of Conformance.

Custom Metric 7 StepThickness Measurement Calibration Block Per ASTM E797 / E797M-15. Material: 6AL-4V Titanium . Step Thicknesses of: 1, 3, 5, 10, 15, 20 & 25mm. Pad Size: 20mm ±1mm x 20mm ±0.5mm. Includes Certification Report for step thickness and Certificate of Conformance.

4 STEP WEDGE .040, .060, .080, .100 +/-.001 INCONEL 600 . PAD SIZE:75″ x .75″ SUPPLIED WITH DELRIN HOLDING BLOCK. Includes Test Report traceable to NIST and Certificate of Conformance.

5 STEP WEDGE .020″, .030″, .040″, .050″, .060″. TOLERANCE +/-.001″. MATERIAL: 7075-T6 ALUMINUM .PAD SIZE: 75″ x .75″. Supplied with Delrin Holding Block. Includes Test Report traceable to NIST and Certificate of Conformance.

Surface reference standard, 17-4PH Steel, with EDM notch depths of 0.005″, 0.010″ and 0.020″ inches +/-.001 (0.127mm, 0.254mm and .508mm), Notch Width: .004″ +/-.001″ Wide EDM notches, .005″ Wide MAX. Reference standard overall dImensions 1 X 4 X 0.25 inches (2.54cm X 10.1cm X 6.35mm). Includes Test Report and Certificate of Conformance.

4 Step Calibration Block, .25″, .500″, .750″, 1.00″. Pad Size: .750″ x .750″. MATERIAL: AZ21 Magnesium. Includes Test Report and Certificate of Conformance.

CUSTOM 4 STEP CALIBRATION BLOCK. MATERIAL: 4340 CARBON STEEL. STEP SIZES: .040″,.090″,.180″, .250″. PAD SIZE: .750″ x .750″, Includes Test Report traceable to NIST and Certificate of Conformance.

CUSTOM 4 STEP CALIBRATION BLOCK. MATERIAL: 304 STAINLESS STEEL. STEP SIZES: .040″,.090″,.180″, .250″. PAD SIZE: .750″ x .750″, Includes Test Report traceable to NIST and Certificate of Conformance.

9 STEP REFERENCE BLOCK WITH ACETAL(DELRIN) HOLDING BLOCK. MATERIAL: 7075-T6 ALUMINUM. STEP SIZES: .030″,.050″,.080″, .120″, .160″ , .200″, .300″, .400″, .500″ +/-.001″. PAD SIZE = .75″ x .75″. Supplied with Delrin(Acetal) Holding Block. Includes Test Report and Certificate of Conformance.

9 STEP REFERENCE BLOCK WITH ACETAL(DELRIN) HOLDING BLOCK. MATERIAL: 4340 STEEL. STEP SIZES: .030″,.050″,.080″, .120″, .160″ , .200″, .300″, .400″, .500″ +/-.001″. PAD SIZE = 1.0″ x 1.0″. Supplied with Delrin(Acetal) Holding Block. Includes Test Report and Certificate of Conformance.

9 STEP REFERENCE BLOCK WITH ACETAL(DELRIN) HOLDING BLOCK. MATERIAL: 718 INCONEL. STEP SIZES: .030″,.050″,.080″, .120″, .160″ , .200″, .300″, .400″, .500″ +/-.001″. PAD SIZE = .75″ x .75″. Supplied with Delrin(Acetal) Holding Block. Includes Test Report and Certificate of Conformance.

9 STEP REFERENCE BLOCK WITH ACETAL(DELRIN) HOLDING BLOCK. MATERIAL: 304 STAINLESS STEEL. STEP SIZES: .030″,.050″,.080″, .120″, .160″ , .200″, .300″, .400″, .500″ +/-.001″. PAD SIZE = 1.0″ x 1.0″. Supplied with Delrin(Acetal) Holding Block. Includes Test Report and Certificate of Conformance.

9 STEP REFERENCE BLOCK WITH ACETAL(DELRIN) HOLDING BLOCK. MATERIAL: 6AL-4V TITANIUM. STEP SIZES: .030″,.050″,.080″, .120″, .160″ , .200″, .300″, .400″, .500″ +/-.001″. PAD SIZE = .75″ x .75″. Supplied with Delrin(Acetal) Holding Block. Includes Test Report and Certificate of Conformance.

6 STEP WEDGE, STEP SIZES: .500″, 1.000″, 1.500″, 2.000″, 2.500″, 3.000. TOLERANCE +/-.001″. MATERIAL: 2024-T3 ALUMINUM. PAD SIZE: 750″ x .750″ . Includes Test Report traceable to NIST and Certificate of Conformance.

6 STEP WEDGE .010″, .030″, .050″, .070″, .090″, .125″ +/-.001″, 2024-T3 ALUMINUM 0.75″ x 0.75″ STEP PAD. SUPPLIED WITH HOLDING BLOCK. Includes Test Report and Certificate of Conformance.

6 STEP WEDGE .010″, .030″, .050″, .070″, .090″, .125″ +/-.001″, 7075-T6 ALUMINUM 0.75″ x 0.75″ STEP PAD. SUPPLIED WITH HOLDING BLOCK. Includes Test Report and Certificate of Conformance.

5 STEP WEDGE .100″, .200″,. 300″, .400″, .500″ MATERIAL: 2024-T3 ALUMINUM. PAD SIZE: 1.00″ X 1.00″ TOLERANCE = +/- .001. Includes Test Report and Certificate of Conformance.

5 STEP WEDGE .100″, .200″,. 300″, .400″, .500″ MATERIAL: 7075-T6 ALUMINUM. PAD SIZE: 1.00″ X 1.00″ TOLERANCE = +/- .001. Includes Test Report and Certificate of Conformance.

5 STEP THICKNESS STANDARD. STEP SIZES: .020″, .050″, .100″, .150″, .200″, +/-.002″. MATERIAL: 2024-T3 ALUMINUM. SUPPLIED WITH DELRIN HOLDING BLOCK. Includes Test Report and Certificate of Conformance.

EDDY CURRENT WELD SURFACE REFERENCE STANDARD. EDM NOTCHES: 0.5mm, 1.0mm, 2.0mm (.1mm (.004″) WIDE ± .05mm( .002″) MAX WIDTH .152mm (.006″). MATERIAL: 4340 CARBON STEEL. SIZE: 1.0″W x 4.0″L Includeds 4 piece .020″ thick shim and Key Ring set. Includes Test Report and Certificate of conformance.

7 STEP METRIC WEDGE: Step Sizes: 1mm, 3mm, 5mm, 10mm, 15mm, 20mm, 25mm +/- .05mm . Pad Size: 20mm x 20mm. Supplied With Holding Block. Material- 2024-T351 Aluminum (Surface Anodized for Corrosion Protection). Includes Test Report and Certificate of Conformance. Manufactured in Accordance to ASTM E797/E797M.

7 STEP METRIC WEDGE: Step Sizes: 1mm, 3mm, 5mm, 10mm, 15mm, 20mm, 25mm +/- .05mm . Pad Size: 20mm x 20mm. Supplied With Holding Block. Material- 4340 Steel (Nickle Plated for Corrosion Protection). Includes Test Report and Certificate of Conformance. Manufactured in Accordance to ASTM E797/E797M.

7 STEP METRIC WEDGE: Step Sizes: 1mm, 3mm, 5mm, 10mm, 15mm, 20mm, 25mm +/- .05mm . Pad Size: 20mm x 20mm. Supplied With Holding Block. Material- 7075-T6 Aluminum (Surface Anodized for Corrosion Protection). Includes Test Report and Certificate of Conformance. Manufactured in Accordance to ASTM E797/E797M.

7 STEP METRIC WEDGE: Step Sizes: 1mm, 3mm, 5mm, 10mm, 15mm, 20mm, 25mm +/- .05mm . Pad Size: 20mm x 20mm. Supplied With Holding Block. Material- 6AL-4V Titanium. Includes Test Report and Certificate of Conformance. Manufactured in Accordance to ASTM E797/E797M.

5 STEP WEDGE .020″, .030″, .040″, .080″, .090″. TOLERANCE +/-.001″. MATERIAL: 7075-T6 ALUMINUM .PAD SIZE: 75″ x .75″. Supplied with Delrin Holding Block. Includes Test Report traceable to NIST and Certificate of Conformance.

8 STEP THICKNESS STANDARD. STEP SIZES: .015″, .020″, .025″, .030″, .035″, .040″, .045″, .050″ +/-.001″. PAD SIZE 0.75″ x 0.75″. MATERIAL: 2024-T3 Aluminum. Supplied with Holding Block. Includes Test Report and Certificate of Conformance.

8 STEP THICKNESS STANDARD. STEP SIZES: .015″, .020″, .025″, .030″, .035″, .040″, .045″, .050″ +/-.001″. PAD SIZE 0.75″ x 0.75″. MATERIAL: 7075-T6 Aluminum. Supplied with Holding Block. Includes Test Report and Certificate of Conformance.

8 STEP THICKNESS STANDARD. STEP SIZES: .015″, .020″, .025″, .030″, .035″, .040″, .045″, .050″ +/-.001″. PAD SIZE 0.75″ x 0.75″. MATERIAL: 1018 CARBON STEEL. Supplied with Holding Block. Includes Test Report and Certificate of Conformance.

Custom 12 Hole Reference Standard. Contains hole sizes; 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8 and 3/4 inch diameters. ( .030 x .030) Corner EDM Notches and .020″ mid-wall EDM Notches, 3 Surface EDM Notches .008″, .020″, .040″ Deep x .750″ Long.) Material: 2024-T3. Includes Certification Report for EDM and Certificate of Conformance.

Custom 12 Hole Reference Standard. Contains hole sizes; 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8 and 3/4 inch diameters. ( .030 x .030) Corner EDM Notches and .020″ mid-wall EDM Notches, 3 Surface EDM Notches .008″, .020″, .040″ Deep x .750″ Long.) Material: 625 Inconel. Includes Certification Report for EDM and Certificate of Conformance.

METRIC 5 STEP WEDGE, 5mm, 10mm, 15mm, 20mm, 25mm, +/- .05mm. Material: 2024-T3 Aluminum. Pad Size: 20mm x 20mm square. Includes Test Report Traceable to NIST and Certificate of Conformance.

METRIC 5 STEP WEDGE, 5mm, 10mm, 15mm, 20mm, 25mm, +/- .05mm. Material: 7075-T6 Aluminum. Pad Size: 20mm x 20mm square. Includes Test Report Traceable to NIST and Certificate of Conformance.

4 HOLE REFERENCE STANDARD. MATERIAL: 7075-T6, HOLE SIZES: 3/16″,1/4″, 3/4″, 7/8″. EDM NOTCH: .030″ x .030″ x .005+/- .001″ CORNER NOTCH IN EACH HOLE. Includes Test Report and Certificate of Conformance.

EDDY CURRENT SURFACE REFERENCE STANDARD, NOTCHES .008″(0.2mm), .020″(0.5mm), .040″(1.0mm) (.004″W +/- .001), 2024-T4 ALUMINUM. SIZE: 1.0″W x 4.0″L x .25″. Includes Test Report and Certificate of Conformance and Material Certification.

Custom 10 Step Block, supplied with holding block. Step Sizes: 2.5mm, 5.0mm, 7.5mm, 10.0mm, 12.5mm, 15.0mm, 17.5mm, 20.0mm, 22.5mm and 25.0mm, Thickness Tolerance ±.05mm. Pad Size: 20mm X 20mm. Material: Duplex 2205 Stainless Steel. Includes certification Report Traceable to NIST.

Custom Metric 6 Step Block. Step Thicknesses of 0.5mm, 2.5mm, 5.0mm, 7.5mm, 10.0mm and 12.5mm. (Tolerance: +/- 0.02mm). Pad Size: 20mm X 20mm, (Tolerance: +/- 0.5mm) Material: 2024-T3 Aluminum. Includes Certification Report for step thickness and Certificate of Conformance.

Custom Metric 6 Step Block. Step Thicknesses of 0.5mm, 2.5mm, 5.0mm, 7.5mm, 10.0mm and 12.5mm. (Tolerance: +/- 0.02mm). Pad Size: 20mm X 20mm, (Tolerance: +/- 0.5mm) Material: 7050-T7 Aluminum. Includes Certification Report for step thickness and Certificate of Conformance.

11 STEP THICKNESS STANDARD. STEP SIZES: .100″, .150″, .200″, .250″, .300″, .350″, .400″, .450″, .500″, ..550″, .600″ +/-.001″. PAD SIZE 0.75″ x 0.75″. MATERIAL: 2024-T3 ALUMINUM. Includes Test Report and Certificate of Conformance.

11 STEP THICKNESS STANDARD. STEP SIZES: .100″, .150″, .200″, .250″, .300″, .350″, .400″, .450″, .500″, ..550″, .600″ +/-.001″. PAD SIZE 0.75″ x 0.75″. MATERIAL: 7075 ALUMINUM. Includes Test Report and Certificate of Conformance.

8 STEP WEDGE, STEP SIZES OF .030″, .040″, .050″, .060″, .070″, .080″, .090″, and .100″ +/- .001″. PAD SIZE: .75 x .75 MATERIAL: AMS 4144, 2219-T8 ALUMINUM. Includes Test Report and Certificate of Conformance. Supply with MILL certificate.

8 STEP WEDGE, STEP SIZES OF .030″, .040″, .050″, .060″, .070″, .080″, .090″, and .100″ +/- .001″. PAD SIZE: .75 x .75 MATERIAL: 1018 Carbon Steel. Includes Test Report and Certificate of Conformance.

8 STEP WEDGE, STEP SIZES OF .030″, .040″, .050″, .060″, .070″, .080″, .090″, and .100″ +/- .001″. PAD SIZE: .75 x .75 MATERIAL: 7075-T6 Aluminum. Includes Test Report and Certificate of Conformance.

8 STEP WEDGE, STEP SIZES OF .030″, .040″, .050″, .060″, .070″, .080″, .090″, and .100″ +/- .001″. PAD SIZE: .75 x .75 MATERIAL: 7075-T6 Aluminum. Includes Test Report and Certificate of Conformance.

8 STEP WEDGE, STEP SIZES OF .030″, .040″, .050″, .060″, .070″, .080″, .090″, and .100″ +/- .001″. PAD SIZE: .75 x .75 MATERIAL: 304 Stainless Steel. Includes Test Report and Certificate of Conformance.

8 STEP WEDGE, STEP SIZES OF .030″, .040″, .050″, .060″, .070″, .080″, .090″, and .100″ +/- .001″. PAD SIZE: .75 x .75 MATERIAL: 6AL-4V Titanium. Includes Test Report and Certificate of Conformance.

Custom 10 Step Block, 2.5mm, 5.0mm, 7.5mm, 10.0mm, 12.5mm, 15.0mm, 17.5mm, 20.0mm, 22.5mm and 25.0mm, Thickness Tolerance ±.05mm. Pad Size: 19mm X 19mm. Material: 1018 Steel. Includes certification Report Traceable to NIST.

Custom 10 Step Block, 2.5mm, 5.0mm, 7.5mm, 10.0mm, 12.5mm, 15.0mm, 17.5mm, 20.0mm, 22.5mm and 25.0mm, Thickness Tolerance ±.05mm. Pad Size: 19mm X 19mm. Material: 304 Stainless Steel. Includes certification Report Traceable to NIST.

5 STEP WEDGE 2.5mm, 5.0mm,7.5mm, 10.0mm, 12.5mm +/- 0.05mm, Pad Size: 25mm x 25mm. Material: 625 Inconel. Includes Test Report and Certificate of Conformance.

5 STEP WEDGE 2.5mm, 5.0mm,7.5mm, 10.0mm, 12.5mm +/- 0.05mm, Pad Size: 25mm x 25mm. Material: 718 Inconel. Includes Test Report and Certificate of Conformance.

12 Hole reference standard. Material: 4340 Steel. Contains 12 hole sizes; 3/16 inch (4.74mm) 7/32 inch (5.53mm) 1/4 inch (6.35mm) 9/32 inch (7.13mm) 5/16 inch (7.92mm) 11/32 inch (8.71mm) 3/8 inch (9.52mm) 7/16 inch (11.09mm) 1/2 inch (12.7mm) 9/16 inch (14.27mm) 5/8 inch (15.87mm) 3/4 inch (19.05mm); Each hole contains 0.030″ x 0.030″ (+/-.002″) corner EDM Notch. Includes Test Report and Certificate of Conformance.

Custom 8 hole 100° countersink reference standard Material: 7075-T6 Aluminum. Hole sizes: 5/32″, 3/16″, 7/32″ 1/4″, 5/16″, 3/8″, 7/16″, 1/2″. Countersink holes opposite side. Thru hole EDM notches in each hole, .020″ Deep x .005″ Wide +/-.001″. Includes Test Report and Certificate of Conformance.

EDDY CURRENT SURFACE REFERENCE STANDARD, NOTCHES .010″(0.25mm), .020″(0.5mm), .030″(0.76mm) (.004″W +/- .002), 4340 STEEL. SIZE: 1.0″W x 4.0″L x .25″. Includes Test Report and Certificate of Conformance.

EDDY CURRENT SURFACE REFERENCE STANDARD, NOTCHES .010″(0.25mm), .020″(0.5mm), .030″(0.76mm) (.004″W +/- .002), 7075-T6 ALUMINUM. SIZE: 1.0″W x 4.0″L x .25″. Includes Test Report and Certificate of Conformance.

EDDY CURRENT SURFACE REFERENCE STANDARD, NOTCHES .010″(0.25mm), .020″(0.5mm), .030″(.76mm) (.004″W +/- .002), 6AL-4v TITANIUM. SIZE: 1.0″W x 4.0″L x .25″. Includes Test Report and Certificate of Conformance.

8 Step Wedge For X-Ray . Material: Inconel 718. Step Sizes 0.125″, .025″, 0.375″, 0.500″, 0.625″, 0.750″, 0.875″, 1.00″. Tolerance ± .00078″ (0.02mm). Pad Size: 20mm x 20mm(.787″ x .787″) Tolerance ± .0196″ (0.5mm). Surface Finish: Ra 0.8µm (32 µin)max. Includes Material Certs, test report and Certificate of Conformance.

20 HOLE REFERENCE STANDARD. MATERIAL: 7075-T6 ALUMINUM . HOLE SIZES: 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 9/16, 17/32, 9/16,19/32, 5/8, 11/16, 3/4. TOTAL OF 20 CORNER EDM NOTCHES .030 x .030 x .005 +/-.001. Inc…

20 HOLE REFERENCE STANDARD. MATERIAL: 2024-T3 ALUMINUM . HOLE SIZES: 1/8, 5/32, 11/64, 3/16, 13/64, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/32, 9/16, 5/8, 11/16, 3/4. TOTAL OF 40 CORNER EDM NOTCHES .020 x .020 X .005 ±.001 & .03…

12 STEP WEDGE, STEP THICKNESS: .024″, .040″, .060″, .080″, .100″, .150″, .200″, .300″, .400″, .500″ .650″, .800″ +/-.001″ 2024-T3 ALUMINUM SUPPLIED WITH A DELRIN HOLDING BLOCK. Includes Test Report and Certificate of Conformance

12 STEP WEDGE, STEP THICKNESS: .024″, .040″, .060″, .080″, .100″, .150″, .200″, .300″, .400″, .500″ .650″, .800″ +/-.001″ 7075-T6 ALUMINUM SUPPLIED WITH A DELRIN HOLDING BLOCK. Includes Test Report and Certificate of Conformance

12 Hole Calibration Standard, Hole Sizes; 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8 and 3/4 inch diameters, .040 x .005 ±.002″ Through EDM Notches in each Hole. Material: 7075-T6 Aluminum. Includes Test Report and Certificate of Conformance.

6 Hole Metric reference standard. Material: 7075-T6 Aluminum. Hole Sizes: 20mm, 21mm, 22mm, 23mm, 24mm and 25mm. Corner EDM Notches: 1mm x 1mm x .15mm(.039″ x .039″ x .006″±.001″). Includes Test Report and Certificate of Conformance.

Custom Metric 7 Step Block. Step Thicknesses: 0.5mm, 2.5mm, 4.5mm, 6.5mm, 8.5mm, 10.5mm & 12.5mm. (Tolerance: +/- 0.02mm). Pad Size: 20mm x 20mm. Material: 2024-T3 ALUMINUM. Supplied with Delrin Holding Block. Includes Certification Report for step thickness and Certificate of Conformance

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 and 3/4 inch diameters. .020 x .020 x .005″ ± .002″ Corner and .020″ x .005″ ± .002″ Thru EDM Notches in each Hole, .010, .020, .040″ x .750″ Long Surface EDM Notches. Material: 15-5PH Cres Steel. Includes Test Report and Certificate of Conformance

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 and 3/4 inch diameters. .020 x .020 x .005″ ± .002″ Corner and .020″ x .005″ ± .002″ Thru EDM Notches in each Hole, .010, .020, .040″ x .750″ Long Surface EDM Notches. Material: 2024-T3 Aluminum Includes Test Report and Certificate of Conformance

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 and 3/4 inch diameters. .020 x .020 x .005″ ± .002″ Corner and .020″ x .005″ ± .002″ Thru EDM Notches in each Hole, .010, .020, .040″ x .750″ Long Surface EDM Notches. Material: 4340 Steel. Includes Test Report and Certificate of Conformance

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 and 3/4 inch diameters. .020 x .020 x .005″ ± .002″ Corner and .020″ x .005″ ± .002″ Thru EDM Notches in each Hole, .010, .020, .040″ x .750″ Long Surface EDM Notches. Material: 6AL-4V Titanium. Includes Test Report and Certificate of Conformance

CUSTOM 10 HOLE FLAT BOTTOM REFERENCE STANDARD PER BOEING SPECIFICATION STANDARD 737, 747, 757, 767 PT 6 51-00-16 FIG 16, 777 PT 6 51-00-02 PROCEDURE 3, 787 PT 6 51-00-02 PROCEDURE 1. Hole Sizes: .188″, .218″, .250″, 312″, .375″ .437″ .500″,.562″, .625″, .750″ Ø MATERIAL: 7075-T6 ALUMINUM. Includes Test Report and Certificate of Conformance.

CUSTOM 10 HOLE FLAT BOTTOM HOLE REFERENCE STANDARD ASSEMBLY PER BOEING SPECIFICATION STANDARD 737, 747, 757, 767 PT 6 51-00-16 FIG 16, 777 PT 6 51-00-02 PROCEDURE 3, 787 PT 6 51-00-02 PROCEDURE 1. Hole Sizes: .875″, 1.00″, 1.125″, 1.250″ 1.375″, 1.500″, 1.625″, 1.750″ 1.875″, 2.000Ø Ø MATERIAL: 7075-T6 ALUMINUM. Includes Test Report and Certificate of Conformance.

Custom Titanium multi-hole reference standard. Contains 9 hole sizes; 2.0mm, 2.5mm 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm and 6.0mm hole diameters. EDM notch 0.5mm X 7.5mm deep in each hole (half of the material thickness). Material: 6AL-4V Titanium 15mm Thick. Includes Test Report and Certificate of ConformanceTraceable to NIST.

Custom Titanium multi-hole reference standard. Contains 9 hole sizes; 2.0mm, 2.5mm 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm and 6.0mm, 6.5mm. 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9.0mm, 9.5mm, 10.0mm, 10.5mm, 11.0mm, 11.5mm, 12.0mm, 12.5mm, 13.5mm, 14.0mm, 14.5mm, 15.0mm, 15.5mm, and 16.0mm hole diameters. EDM notch 0.5mm X 7.5mm deep in each hole (half of the material thickness). Material: 6AL-4V Titanium 15mm Thick. Includes Test Report and Certificate of ConformanceTraceable to NIST.

8 STEP WEDGE, STEP SIZES OF .015″, .025″,.040″, .060″, .080″, .100″, .150″, and .200″ +/- .001″. PAD SIZE: .75″x.75″, MATERIAL: 7075-T6 ALUMINUM. Includes Test Report and Certificate of Conformance.

CUSTOM EC SKIN INSPECTION REFERENCE STANDARD. Contains various EDM Nothes in the Upper and Lower Skin. Upper Skin Thickness of .080″ and Lower Skin Thickness of .100″ Thick. Standard Physical Size = 13.5″ Long x 5.15″ Wide. MATERIAL: 2024-T3 ALUMINUM. Includes Test Report and Certificate of Conformance.

SURFACE NOTCH REFERENCE STANDARD 4130 or 4340 CARBON STEEL. EDM NOTCH SIZE: FULL WIDTH OF PART x .51mm(.020″) DEEP +/- .05mm(.002″). BLOCK SIZE: 1.0″ WIDE x 3.0″ LONG. Includes Test Report and Certificate of Conformance.

9 STEP THICKNESS STANDARD. STEP SIZES: .020″, .030″, .040″, .050″, .060″, .070″, .080″, .090″, .100″ +/-.001″. PAD SIZE 0.75″ x 0.75″. MATERIAL: 7075-T6 ALUMINUM.Supplied with a PTFE Holding Block. Includes Test Report Traceable to NIST and Certificate of Conformance.

12 HOLE REFERENCE STANDARD 4340 STEEL.Hole Sizes: 6.35mm, 5.54mm, 4.75mm, 3.96mm, 3.18mm, 2.36mm. (1/4″, 7/32″, 3/16″, 5/32″, 1/8″, 3/32″), 0.5mm x 0.5mm x 0.15mm (.0197″ X .0197″ x.0059″)WIDE CORNER EDM NOTCH EACH HOLE and 3 SURFACE EDM NOTCHES 0.2mm, 0.5mm, 1.0mm DEEP 0.15mm WIDE +/- .0254mm(.001″). Includes Test Report and Certificate of Conformance.

7 STEP WEDGE. STEP SIZES: .040″, .050″, .060″, .070″, .080″, .090″, .100″ +/- .001″. PAD SIZE: 1.0″x 1.0″, MATERIAL: 7075-T6 ALUMINUM SUPPLIED WITH ACETAL(DELRIN) HOLDING BLOCK. Includes Test Report and Certificate of Conformance.

7 STEP WEDGE. STEP SIZES: .040″, .050″, .060″, .070″, .080″, .090″, .100″ +/- .001″. PAD SIZE: 1.0″x 1.0″, MATERIAL: 1018 CARBON STEEL SUPPLIED WITH ACETAL(DELRIN) HOLDING BLOCK. Includes Test Report and Certificate of Conformance.

Metric Aluminum multi-hole reference standard. Contains 11 hole sizes; 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, and 20mm hole diameters. EDM notch = 0.5mm x 0.5mm deep corner EDM notch in each of the Countersink Holes, 1mm x 1mm corner EDM notch in each of the through Holes and a 0.5mm x 0.5mm throught the thickness of each hole. 4 Rows total, 2 countersink Rows and two Non-Countersink Rows for a total of 44 holes. Material: 7075-T6 Aluminum 10mm Thick. Includes Test Report and Certificate of ConformanceTraceable to NIST.

Metric Aluminum multi-hole reference standard. Contains 11 hole sizes; 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, and 20mm hole diameters. EDM notch = 0.5mm x 0.5mm deep corner EDM notch in each of the Countersink Holes, 1mm x 1mm corner EDM notch in each of the through Holes and a 0.5mm x 0.5mm throught the thickness of each hole. 4 Rows total, 2 countersink Rows and two Non-Countersink Rows for a total of 44 holes. Material: 2024-T3 Aluminum 10mm Thick. Includes Test Report and Certificate of ConformanceTraceable to NIST.