Lot Traceability
Lot traceability links a shipped fastener back to its manufacturing lot, material heat and test results. It is how a problem is contained to the right parts.
Traceability chain
| Link | Record |
|---|---|
| Raw material | Heat number, MTR |
| Manufacturing lot | Lot number, process records |
| Heat treat and coating | Batch records, bake records |
| Testing | Lot test report |
| Shipment | Packing list, label with lot number |
Governing standards: ASTM F1470-24; ISO 16426. Editions shown are the latest confirmed as of September 2026. The drawing and the governing standard always take precedence over this sheet.
These tables carry the same figures as the printed sheet below.
The printed sheet

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Text version of this sheet
Lot traceability
What it is
AT A GLANCE
LOT
Lot traceability links a shipped fastener back to its manufacturing lot, material heat and test results. It
is how a problem is contained to the right parts.
Link every part to its history
Traceability chain
Link
Record
Raw material
Heat number, MTR
Manufacturing lot
Lot number, process records
Heat treat and coating
Batch records, bake records
Testing
Lot test report
Shipment
Packing list, label with lot number
Governing standards: ASTM F1470-24; ISO 16426. 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-632443 · thefastenerapp.com/fastener-guide/quality-traceability/lot-traceability · © The Fastener App. Reference only — verify the current governing standard, drawing and manufacturer data before specifying or installing.

























