⚙️ B1 — RULE ENGINE

DIN 125-A — Size Navigator

Deterministic evaluation of fastener standards based on geometry, material, and compliance constraints. Complete engineering specifications across all 76 size/grade/finish variants.

📥 Input Vector

Standard

Diameter

Material Grade

Decision State

INSTALLABLE

No constraint violation detected.

Risk Score

0.12

Low structural risk

Route Mapping

/standards/din-125-a/

Canonical equivalence resolved

📋 [B1 TRACE LOG]

INPUT → STANDARD: DIN 125-A | SIZE: M12 | GRADE: 8.8

✓ STEP 1 → Geometry validation: PASS

✓ STEP 2 → Thread compatibility: PASS

✓ STEP 3 → Load constraint: PASS

ℹ STEP 4 → ISO mapping check: MATCH

✓ RESULT → INSTALLABLE (score 0.12)

📋 Standard Information

Standard DIN 125-A

Category WASHERS

Type WASHER

Total Specs 76

Available Sizes 19

Material Grades —

Surface Finishes —

🔗 Cross-Standard Equivalence

Standard	Name	Status	Risk Note
DIN 125-A, ISO 7089, DIN 934, DIN 127-A, DIN 7980, ISO 4017, ISO 4014, ISO 4032, ASME B18.2.1, ASME B18.2.2, ASME B18.21.1, ASME B18.3, ISO 4762	Equivalent standards in cluster	IN CLUSTER	—

📏 Size Navigator

Select a size to view its complete engineering data — including dimensional tolerances, material grades, mechanical properties, and surface finish options.

M1.6 1 variants → M2 1 variants → M2.5 1 variants → M3 1 variants → M3.5 1 variants → M4 1 variants → M5 1 variants → M6 4 variants → M7 4 variants → M8 4 variants → M10 4 variants → M12 4 variants → M14 4 variants → M16 4 variants → M18 4 variants → M20 4 variants → M22 4 variants → M24 4 variants → M26 4 variants → M27 4 variants → M28 4 variants → M30 4 variants → M32 4 variants → M33 4 variants → M35 4 variants → M36 4 variants → M39 1 variants → M42 1 variants → M45 1 variants → M48 1 variants → M52 1 variants → M56 1 variants → M60 1 variants → M64 1 variants →

🔄 Standard Redirect Map

Non-canonical standard paths are automatically redirected to their canonical ISO equivalents via the V-SYSTEM Authority Lock. Equivalent standards: DIN 125-A, ISO 7089, DIN 934, DIN 127-A, DIN 7980, ISO 4017, ISO 4014, ISO 4032, ASME B18.2.1, ASME B18.2.2, ASME B18.21.1, ASME B18.3, ISO 4762

Source (Non-Canonical)	Target (Canonical Route)
/iso-7089/	/standards/din-125-a/

                CEV-1 HASH: 8371444a90b010ab7986b501e67860c6bb23431532861987329b7628fc65f676
                FROZEN: 2026-06-08 21:10:08
                ASSET: standard_map_core.csv
                CLUSTER: [DIN 125-A, ISO 7089, DIN 934, DIN 127-A, DIN 7980, ISO 4017, ISO 4014, ISO 4032, ASME B18.2.1, ASME B18.2.2, ASME B18.21.1, ASME B18.3, ISO 4762]
            
✓ CEV-1 Verified

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