Fastener Counterfeit and Traceability Controls
Counterfeit fasteners carry false markings or certs. Traceable supply, recorded manufacturer marks and testing are the defenses.
Controls
| Control | Detail |
|---|---|
| Buy from traceable sources | Manufacturer or authorized distributor |
| Check manufacturer marks | Manufacturer insignia are recorded under the US Fastener Quality Act; unknown marks are a warning |
| Verify certs | Lot numbers match packaging and parts |
| Test suspect lots | Hardness and proof load per ASTM F606 |
| Report | To supplier, customer and authorities as required |
Governing standards: Fastener Quality Act (US); ASTM F606/F606M-26a; SAE AS6174 (counterfeit materiel). Editions shown are the latest confirmed as of September 2026. The drawing and the governing standard always take precedence over this sheet.
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Fastener counterfeit and traceability controls
What it is
AT A GLANCE
Counterfeit fasteners carry false markings or certs. Traceable supply, recorded manufacturer marks
and testing are the defenses.
AUTHENTIC?
Buy traceable, verify marks
Controls
Control
Detail
Buy from traceable sources
Manufacturer or authorized distributor
Check manufacturer marks
Manufacturer insignia are recorded under the US Fastener Quality Act; unknown marks are a warning
Verify certs
Lot numbers match packaging and parts
Test suspect lots
Hardness and proof load per ASTM F606
Report
To supplier, customer and authorities as required
Governing standards: Fastener Quality Act (US); ASTM F606/F606M-26a; SAE AS6174 (counterfeit materiel). Editions shown are the latest confirmed as of September 2026. The
drawing and the governing standard always take precedence over this sheet.
torquing any fastener. Verify the current governing standard, project documents, OEM requirements, size, thread, coating and lot certification. To the fullest extent permitted by law, The Fastener App disclaims liability
arising from reliance on this reference.
Fastener Guide reference FG-7009EF · thefastenerapp.com/fastener-guide/quality-traceability/fastener-counterfeit-and-traceability-controls · © The Fastener App. Reference only — verify the current governing standard, drawing and manufacturer data before specifying or installing.

























