HARDLOCK 強鎖螺帽
堪稱安全中的安全被稱為永不鬆脫螺帽，最適合於鐵道、航空等載具，發電、遊樂機具等產業專用。
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規格表
尺寸規格與扭力建議
| Nominal Size (d) | Thickness Convex Nut (m) | Thickness Concave Nut (m1) | Width Across Flats (s) | e (approx.) | Overall Height ℓ (approx.) | Rim Diameter D (approx.) | Unit Weight (g) | Recommended Tightening Torque (N·m) |
|---|---|---|---|---|---|---|---|---|
| M5×0.8 | 4 ±0.1/-0.15 | 4 ±0.5/-0.2 | 8 ±0.0/-0.2 | 9.2 | 7.2 | 9.2 | 1.9 | 2 – 3 |
| M6×1.0 | 5 ±0.3 | 5 ±0.0/-0.3 | 10 ±0.0/-0.6 | 11.5 | 8.5 | 11.5 | 4 | 4 – 5 |
| M8×1.25 | 6.5 ±0.0/-0.58 | 6.5 ±0.0/-0.58 | 13 ±0.0/-0.7 | 15.0 | 10.8 | 15.0 | 8.9 | 9 – 13 |
| M10×1.5 | 8 ±0.0/-0.58 | 8 ±0.0/-0.58 | 17 ±0.0/-0.7 | 19.6 | 13.2 | 19.6 | 18 | 18 – 24 |
| M12×1.75 | 10 ±0.0/-0.58 | 9.3 ±0.0/-0.58 | 19 ±0.0/-0.7 | 21.9 | 16.0 | 21.9 | 26 | 27 – 39 |
| M16×2.0 | 13 ±0.9 | 11 ±0.0/-0.7 | 24 ±0.0/-0.8 | 27.7 | 21.2 | 27.7 | 46 | 70 – 100 |
| M20×2.5 | 16 ±0.9 | 14.5 ±0.0/-0.7 | 30 ±0.0/-0.8 | 34.6 | 26.7 | 34.6 | 93 | 120 – 200 |
| M22×2.5 | 18 ±0.9 | 15.6 ±0.0/-1.2 | 32 ±0.0/-1.0 | 37.0 | 29.9 | 37.0 | 115 | 150 – 250 |
| M24×3.0 | 19 ±0.9 | 17.6 ±0.0/-1.2 | 36 ±0.0/-1.0 | 41.6 | 32.4 | 41.6 | 183 | 160 – 300 |
| M27×3.0 | 21 ±1.0 | 17.6 ±0.0/-1.2 | 41 ±0.0/-1.0 | 47.3 | 33.5 | 47.3 | 243 | 250 – 390 |
| M30×3.5 | 23 ±1.0 | 18.6 ±0.0/-1.2 | 46 ±0.0/-1.0 | 53.1 | 36.5 | 53.1 | 312 | 270 – 440 |
可用鋼材等級與表面處理
| Size | Class 4 (Zinc Plating / Hot Dip Galv.) |
Class 8 (Manganese Phosphate) |
Class 10 (Manganese Phosphate) |
A2-70 (Stainless Steel 304) |
|---|---|---|---|---|
| M5×0.8 | ✓ | — | — | ✓ |
| M6×1.0 | ✓ | — | — | ✓ |
| M8×1.25 | ✓ | ✓ | ✓ | ✓ |
| M10×1.5 | ✓ | ✓ | ✓ | ✓ |
| M12×1.75 | ✓ | ✓ | ✓ | ✓ |
| M16×2.0 | ✓ | ✓ | ✓ | ✓ |
| M20×2.5 | ✓ | ✓ | ✓ | — |
| M22×2.5 | ✓ | ✓ | ✓ | — |
| M24×3.0 | ✓ | ✓ | ✓ | — |
| M27×3.0 | ✓ | ✓ | ✓ | — |
| M30×3.5 | ✓ | ✓ | ✓ | — |