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Bell Helicopter Eddy Current Standard No. EC-10-20
This standard is called out in the recent Alert Service Bulletin (ASB) 407-01-48. PH Tool is the suggested manufacturer of this item. It is made from 2024-T3 aluminum sheet and measures .040" thick x 2.5" x 5.0". It contains two through holes at 0.172" diameter, and two at .203". Total of five EDM slots are included at .004" wide x .020" and .040" long and are machined through the .040" sheet thickness. The standard is machine-engraved with the standard no. (EC-10-20), alloy, serial number, and PH Tool. Standard is normally in stock. Call 888-553-9245 for current pricing.

BHTI EC-10-20 Kit
In addition to the standard above , PH Tool also offers the Eddy Current Inspection Kit for Bell ASB 407-01-48. This kit includes the BHTI EC-10-20 Reference Standard, one EC probe MBD2-10/12-1WL, one EC probe MBD2-12/14-1WL, one cable, and a waterproof storage case. Please specify the EC equipment you will use for this inspection for our correct cable selection. Standard and probes are normally in stock. Call 888-553-9245 for kit price.


Eddy Current Bolt
Hole Standards


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 Air Force General Purpose Eddy Current Standard
Standard is a three (3) plate assembly measuring 4" x 7" x 1.06". Contains twenty (20) fastener holes with diameters from 0.156 to 0.750", two (2) screw holes, and two (2) dowel pins holes. Standard also contains a total of 66 EDM notches in various locations. Notch depth and length vary. Width is 0.004" for all notches. Material is Aluminum Alloy 7075-T6, QQ-A-250/12. Finished standard is anodized per MIL-A-8625, Type II, Class I. Standard can also be made in titanium, steel, stainless steel or other alloy. Manufactured in accordance with U.S.A.F. Tech Order 33B-1-1, Figures 4-47 through 4-49. NSN 6635-01-092-5129, P/N 7947479-10. Standard is normally in stock. Call 888-553-9245 for current pricing.

 



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 DC-10 Service Bulletin Reference Standards
PH Tool is a recommended source for Eddy Current Reference Standards required per Service Bulletin 55-24. All four (4) standards are available including part numbers: SB10550024-3 (10RS.51), SB10550024-5 (10RS.51), SB10550024-7 (10RS.51), and SB09530016-5 (DAC GSET AL.01, pictured). Material is 7075-T6 Aluminum alloy. DAC-GSET AL.01 is normally in stock. Call 888-553-9245 for current pricing.

   




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 Special Bolt Hole Standard for Specific Applications
The example at left shows a 9-hole standard with hole diameters and alloy specified by customer. Standards in virtually any alloy are offered with hole diameters to suit your application. Notch configuration is also customer-specified.

This standard contains a ..030" x .030" corner notch at each hole, and 1.000" long surface notches at depths of .005", .010", .020", and .050". Typical notch width is ..004". Email your requirements for us to quote. We do not even need a formal drawing, we'll take care of that if you haven't. Standards may be single or multi-layer fastened type. Don't settle for an "industry standard" when you can have the exact hole diameters and notch dimensions you need.