Square Neck Coach Zinc Plated Carriage Bolts
Product Description:
Carriage bolts is also called round head mushroom head square neck screws, mushroom head square neck screws, and round head square neck coach bolt, plow bolt, carriage bolt for timber.
Fastener is a kind of mechanical parts, which is used for fastening connection and is widely used. Carriage bolt are widely used in industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, mold, hydraulic industry and so on, in all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies and so on, can see every kind of fasteners. Is the most widely used basic pieces of machinery. It is characterized by a wide variety of specifications, the performance of different purposes, and the standardization, serialization.
Product Features:
Carriage bolts are largely used in security fixings, such as the Brenton Bolt where the bolt must only be removable from one side. The smooth domed head and square nut below prevent the carriage bolt from being unlocked from the insecure side.
Carriage bolt are widely used in ports, power, steel, shipbuilding, petrochemical, mining, railways, construction, metallurgy, automobile manufacturing, plastics machinery, industrial control, highways, large transport, pipelines and auxiliary set, slope tunnels, wells control protection, salvage, ocean engineering, airport construction, bridges, aviation, aerospace, and other important venues and infrastructure construction industry, machinery and equipment.
Product Drawing:
| Mushroom head square neck bolts |
| DIN603-2010 |
 |
| d(mm) | M5 | M6 | M8 | M10 | M12 | M16 | M20 |
| P(mm) | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 |
| b(mm) | L≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
| 125<L≤200 | 22 | 24 | 28 | 32 | 36 | 44 | 52 |
| L>200 | / | / | 41 | 45 | 49 | 57 | 65 |
| dk(mm) | min | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 | 45.2 |
| max | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 | 46.8 |
| ds(mm) | min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 |
| max | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| k(mm) | min | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 |
| max | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
| s(mm) | min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 |
| max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| k1(mm) | min | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 | 14.1 |
| max | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 | 15.9 |
Product Tags:
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DIN 603 Zinc Plated Carriage Bolts Round Head Square Head Coach Bolts Images
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