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DIN 933 HEX BOLT — Size Navigator

Deterministic evaluation of fastener standards based on geometry, material, and compliance constraints. Complete engineering specifications across all 198 size/grade/finish variants.

DIN 933 Hex Bolt Dimensions

Fully threaded hexagon head bolts, metric coarse thread. Nominal dimensions for width across flats (s) and head height (k) across 22 metric sizes. Values in millimetres.

Size	Width Across Flats (s)	Head Height (k)
M6	9.64	2.63
M8	12.57	3.54
M10	15.57	4.28
M12	17.57	5.05
M14	20.16	5.96
M16	23.16	6.8
M18	26.16	7.81
M20	29.16	8.51
M22	33	9.56
M24	35	10.26
M27	40	11.66
M30	45	12.8
M33	49	14.41
M36	53.8	15.46
M39	58.8	17.21
M42	63.1	17.91
M45	68.1	19.31
M48	73.1	20.71
M52	78.1	22.75
M56	82.8	24.15
M60	87.8	26.25
M64	92.8	27.65

Equivalent Standards

DIN 933 is dimensionally cross-referenced with the following standards:

EN ISO 4017
CSN 21102
PN 82102
UNI 5739
EU 24017

Select Size & Grade

Standard

Diameter

Material Grade

Compatibility Result

INSTALLABLE

No constraint violation detected.

Risk Level

0.12

Low structural risk

Evaluation Steps

/standards/din-933/

Canonical equivalence resolved

📋 [EVALUATION LOG]

INPUT → STANDARD: DIN 933 | 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 933

Category BOLTS

Type BOLT

Total Specs 198

Available Sizes 22

Material Grades 10.9, 12.9, 5.6, 5.8, 8.8, A2-70, A4-70

Surface Finishes Plain, Stainless Steel

🔗 Cross-Standard Equivalence

Standard	Name	Status	Risk Note
DIN 933, ISO 4017, DIN 931, ASME B18.2.1, ISO 4014, ISO 4032, ISO 7089, DIN 934, DIN 125-A, ASME B18.2.2, DIN 912, ISO 4762	Equivalent standards in cluster	IN CLUSTER	—

Related Standard	Relationship	Confidence
ISO 4017	Equivalent	0.98
DIN 931	Variant	0.85
ASME B18.2.1	Cross-system	0.72

🧭 Browse by Topic

DIN 933 in the concept layer — Fastener Knowledge:

Bolts — Bolt types, thread variants and the standards that define them.
Metric Fasteners — Metric designation, thread class and DIN / ISO equivalents.

📏 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 9 variants → M7 1 variants → M8 9 variants → M10 9 variants → M12 9 variants → M14 9 variants → M16 9 variants → M18 9 variants → M20 9 variants → M22 9 variants → M24 9 variants → M27 9 variants → M30 9 variants → M33 9 variants → M36 9 variants → M39 9 variants → M42 9 variants → M45 9 variants → M48 9 variants → M52 9 variants → M56 9 variants → M60 9 variants → M64 9 variants →

🔄 Standard Redirect Map

Non-canonical standard paths are automatically redirected to their canonical ISO equivalents via the Engineering Data Authority Lock. Equivalent standards: DIN 933, ISO 4017, DIN 931, ASME B18.2.1, ISO 4014, ISO 4032, ISO 7089, DIN 934, DIN 125-A, ASME B18.2.2, DIN 912, ISO 4762

Source (Non-Canonical)	Target (Canonical Route)
/iso-4017/	/standards/din-933/
/din-931/	/standards/din-933/

                CEV-1 HASH: 8bff5951ec3b1c8112b9c0fcd411ca710111f0f509ff3ee220df8f23815f00f7
                FROZEN: 2026-08-17 20:13:55
                ASSET: standard_map_core.csv
                CLUSTER: [DIN 933, ISO 4017, DIN 931, ASME B18.2.1, ISO 4014, ISO 4032, ISO 7089, DIN 934, DIN 125-A, ASME B18.2.2, DIN 912, ISO 4762]
            
✓ CEV-1 Verified

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DIN 933 Full Thread Hexagon Head Bolt per DIN 933 specification, available in A4-70 grade with Stainless Steel finish. Engineered for industrial OEM applications requiring 700.0 MPa tensile strength and reliable long-term fastening performance.

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