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- ISO 4014 part thread · ISO 4017 full thread
- Classes 4.6, 5.6, 8.8, 10.9 (ISO 898-1)
- M6 – M64, coarse and fine pitch
- Nuts ISO 4032 / 4033, washers ISO 7089 / 7091
- Zinc plated, HDG, black or stainless A2 / A4
- JIS, GB and TCVN equivalents
What it is
General-purpose metric hexagon bolts carry secondary members, equipment, handrails, grating clips and non-preloaded connections. The property class stamped on the head – 4.6, 8.8, 10.9 – gives the tensile strength (first number × 100 MPa) and the yield ratio (second number ÷ 10).
Mechanical properties
| Size | Pitch | As (mm²) | 4.6 | 8.8 | 10.9 |
|---|---|---|---|---|---|
| M12 | 1.75 | 84.3 | 33.7 | 67.4 | 87.7 |
| M16 | 2.0 | 157 | 62.8 | 126 | 163 |
| M20 | 2.5 | 245 | 98.0 | 203 | 255 |
| M24 | 3.0 | 353 | 141 | 293 | 367 |
| M30 | 3.5 | 561 | 224 | 466 | 583 |
| M36 | 4.0 | 817 | 327 | 678 | 850 |
| M42 | 4.5 | 1120 | 448 | 930 | 1165 |
| M48 | 5.0 | 1470 | 588 | 1220 | 1529 |
8.8: fu = 800 MPa up to M16, 830 MPa above. Values are minimum ultimate loads As × fu – design resistance comes from the design code.
Equivalents
ISO 4014 / 4017 correspond to the withdrawn DIN 931 / 933, to EN ISO 4014 / 4017, JIS B 1180, GB/T 5782 / 5783 and TCVN 1916 in Vietnam. Head across-flats differ slightly between ISO and DIN for M10, M12, M14 and M22.
시장별 표준 및 요구사항
World Steel이 본 제품의 설계, 제작, 문서화에 적용하는 기준 – 그리고 각 시장의 주요 형상 및 하중 요구사항.
유럽
- EN ISO 4014 / 4017Hexagon head bolts and screws
- EN ISO 898-1Mechanical properties
- EN 15048Non-preloaded structural bolting assemblies
호주 / 뉴질랜드
- AS 1111.1ISO metric hexagon bolts – commercial
- AS 1110Precision hexagon bolts
참고용 요약입니다 – 프로젝트 시방서, 채택된 기준 판본 및 관할 기관의 요구가 우선합니다.
표면 처리
| 표면 처리 | 표준 / 비고 |
|---|---|
| Zinc plated | ISO 4042 |
| Hot-dip galvanized | ISO 10684 |
| Plain / black | Oiled, for painted or indoor connections |
| Stainless | A2-70 / A4-80 (ISO 3506) |
