DIN 603 Carriage Bolts
Carriage Bolts,also known as mushroom head square neck bolts, DIN 603 standard Class 4.8, 8.8 and 12.9, size M6-M20 From China Flange bolts Manufacturer.
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DIN 603 Carriage Bolts , Mushroom Head Square Neck Bolts
Material: Steel ; Surface treatment: Zinc Plated, Black oxide, Flake Zinc, Hot Dip Galvanized;
Grade: 4.8, 8.8;
Size: M6 - M16
DIN 603 Carriage Bolts Specification:
| Size | M5 | M6 | M8 | M10 | M12 | M16 |
| d2 max | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 |
| d2 min | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 |
| k max | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 |
| k min | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 |
| f max | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 |
| f min | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 |
| v max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 |
| v min | 4.52 | 5.72 | 7.42 | 9.42 | 11.3 | 15.3 |
| e min | 6.1 | 7.4 | 9.9 | 12.5 | 15 | 20.2 |
| r max | 1.0 | 1.2 | 1.6 | 1.6 | 2.2 | 2.7 |
| ds max | 5.0 | 6.0 | 8.0 | 10 | 12 | 16.0 |
| ds min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 |
| b L<125 | 16 | 18 | 22 | 26 | 30 | 38 |
| b L=125-200 | - | - | 28 | 32 | 36 | 44 |
| b L>200 | - | - | - | - | 49 | 57 |