| Size |
Pitch |
Dk |
Ds |
f |
k |
r1 |
r2 |
r3 |
v |
| Min. |
Max. | Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Ref. |
Max. |
Max. |
Min. |
Max. |
| M5 |
0.8 |
12.45 |
13.55 |
4.52 |
5 |
2.9 |
4.1 |
2.7 |
3.3 |
10.7 |
0.5 |
0.75 |
4.52 |
5.48 |
| M6 |
1 |
15.45 |
16.55 |
5.52 |
6 |
3.4 |
4.6 |
3.12 |
3.88 |
12.6 |
0.5 |
0.9 |
5.52 |
6.48 |
| M8 |
1.25 |
19.35 |
20.65 |
7.42 |
8 |
4.4 |
5.6 |
4.12 |
4.88 |
16 |
0.5 |
1.2 |
7.42 |
8.58 |
| M10 |
1.5 |
23.35 |
24.65 |
9.42 |
10 |
5.4 |
6.6 |
4.62 |
5.38 |
19.2 |
0.5 |
1.5 |
9.42 |
10.58 |
| M12 |
1.75 |
29.35 |
30.65 |
11.3 |
12 |
7.25 |
8.75 |
6.05 |
6.95 |
24.1 |
1 |
1.8 |
11.3 |
12.7 |
| M16 |
2 |
37.2 |
38.8 |
15.3 |
16 |
11.1 |
12.9 |
8.05 |
8.95 |
29.3 |
1 |
2.4 |
15.3 |
16.7 |
Carriage Bolt Dimensions and Sizes
Carriage bolts are available in a variety of dimensions to meet different industrial and construction requirements. The most common sizes include M6 to M36 bolts, with lengths varying from short 30mm options to longer bolts up to 150mm or more. The dimensions of these bolts are critical for ensuring proper fit and performance. Manufacturers adhere to strict dimensional charts and guidelines to ensure that the carriage bolts meet international standards like DIN 603 and ASTM A307. Proper sizing ensures that the bolts fit perfectly in applications that require high tensile strength and resistance to shear forces.
Material Options for Carriage Bolts
Carriage bolts are manufactured from a variety of materials to suit specific environments and applications. Stainless steel carriage bolts are a popular choice for applications where corrosion resistance is essential, such as in coastal or industrial environments. Carbon steel carriage bolts are commonly used for heavy-duty applications where strength and load-bearing capacity are the priority. Additionally, bolts can be coated with galvanized or zinc plating for enhanced protection against corrosion. The choice of material and finish directly impacts the bolt's performance, durability, and resistance to wear and tear.
Applications of Carriage Bolts
Carriage bolts are used extensively across multiple industries, including construction, transportation, and manufacturing. In the construction industry, they are often used to secure wooden beams or metal parts in place, ensuring structural integrity. Their rounded heads prevent interference with other components and allow for smooth, flush installations. These bolts are also utilized in automotive applications, such as fastening chassis components, as well as in the creation of heavy-duty machinery and equipment. With their versatility, carriage bolts serve as an indispensable fastening element in numerous sectors, including bridges, railways, and equipment assembly.
Advantages of Carriage Bolts in Industrial Use
The unique design of carriage bolts provides several key advantages in industrial and construction settings. The square neck under the head of the bolt prevents rotation, ensuring the bolt stays securely in place when tightened. This feature is particularly important in applications that require a strong, tamper-resistant fastening. Additionally, carriage bolts have a smooth, rounded head that minimizes the risk of damage to materials, making them suitable for use in delicate or high-visibility applications. Their high tensile strength ensures they can withstand significant pressure, making them ideal for load-bearing applications.
Carriage Bolt Specifications According to Industry Standards
Carriage bolts are manufactured to meet a variety of standards, ensuring they perform optimally in diverse applications. Adhering to DIN and ASTM standards guarantees that the bolts possess the necessary hardness, tensile strength, and overall durability to function under demanding conditions. Additionally, specifications such as threading, head dimensions, and length options are standardized to ensure uniformity and interchangeability in various fastening systems. These high standards help manufacturers produce carriage bolts that can be trusted for use in critical structural and mechanical applications.
Choosing the Right Carriage Bolt for Your Application
When selecting a carriage bolt for a specific application, it's important to consider several factors, including the required strength, material, and coating. For high-strength requirements, selecting a high-tensile steel or heat-treated bolt is crucial. In environments prone to rust or corrosion, stainless steel or galvanized carriage bolts offer enhanced protection. Additionally, ensuring the proper bolt size and length is key to achieving a secure and durable fastening solution. For customers seeking customized solutions, manufacturers can provide carriage bolts that are tailored to meet specific load-bearing and performance needs.