Engineering reference
Hexagon Head Bolts (Half)
Cross-reference for DIN 931 ≡ ISO 4014 — Hexagon Head Bolts (Half). Public equivalents (GB omitted): DIN 931 / ISO 4014 / ANSI/ASME B18.2.3.1M / UNI 5737 / JIS B1180 / DIN EN ISO 4014. Use this page when converting drawings, checking supplier quotes, or matching catalog products.
| DIN | DIN 931 |
|---|---|
| ISO | ISO 4014 |
| GB | GB 5782 |
| ANSI/ASME | ANSI/ASME B18.2.3.1M |
| UNI | UNI 5737 |
| JIS | JIS B1180 |
| DIN EN ISO | DIN EN ISO 4014 |
Equivalents are for engineering reference only. Dimensional tolerances, property classes and thread systems can differ — always confirm against the project specification before substitution.
Catalog fasteners commonly specified against this standard family. Confirm size, material and property class against your drawing before ordering.
ISO 4014 / DIN 931 / ASTM F3125 / SAE J42940Cr / 42CrMo / SCM435 / 4140 / 8.8 / 10.9 / 12.9
Partial-thread high-strength hex head bolts per ISO 4014 / DIN 931 in 40Cr / 42CrMo / SCM435, 8.8 / 10.9 / 12.9.
DIN 931 / DIN 933 / ISO 4014 / ISO 4017 / ASTM F593Duplex 2205 / Super Duplex 2507 / UNS S32205 / S32750
Duplex 2205 / 2507 hex head bolts for offshore and high-chloride renewable environments.
DIN 931 / ISO 4014 / ASTM F593SS304 / SS316 / A2-70 / A4-80
A2-70 / A4-80 partial-thread stainless hex head bolts per DIN 931 / ISO 4014 for structural and coastal assemblies.
ASTM F468 / ASTM B348 / ISO 4014 refTi-6Al-4V / Grade 5
Ti-6Al-4V Grade 5 titanium hex bolts per ASTM F468 with anodized finish.
ASTM A563 / ASTM F3125 refASTM A563 Grade DH / 1045 / 35K / Grade DH / Grade 10 equivalent
ASTM A563 structural hex nuts for ASTM F3125 high-strength structural bolting.
EN 14399-6 / DIN 691640Cr / 42CrMo / 42CrMo4 / 300HV / 350HV
EN 14399-6 structural washers for preloaded steel and wind tower bolting systems.
Send DIN 931 (or equivalent), sizes, material, quantity and surface finish — we quote drawing-based and standard fasteners for export projects.
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