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Stainless Steel 304 316 M8x100mm Round Head Long Coach Bolts with Square Neck

Material:SS304 SS316 4.8Grade 
Standard:DIN603
Size: M5-M24
Min Order: 50pcs   
Sample: Free sample
Delivery time:3-30 Days
Availability:
Quantity:
Stainless Steel 304 316 M8x100mm Round Head Long Coach Bolts with Square Neck
Stainless Steel 304 316 M8x100mm Round Head Long Coach Bolts with Square Neck
Stainless Steel 304 316 M8x100mm Round Head Long Coach Bolts with Square Neck
Stainless Steel 304 316 M8x100mm Round Head Long Coach Bolts with Square Neck
Stainless Steel 304 316 M8x100mm Round Head Long Coach Bolts with Square Neck
Stainless Steel 304 316 M8x100mm Round Head Long Coach Bolts with Square Neck
  • DIN603

  • HINA

  • HINA2024112506

Stainless Steel 304 316  M8x100mm Round Head Long Coach Bolts with Square Neck


Product Description

M8×100 coach bolt is a round-headed bolt with an 8mm diameter and 100mm length. It features a square neck under the head to prevent rotation during installation. It is durable and resistant to corrosion. This bolt is ideal for securely fastening wood-to-wood or wood-to-metal connections, often used in construction, carpentry, and outdoor projects. It is typically paired with a washer and nut for a strong and stable fit.

DIN603 carriage bolt

Product Details

MM3

MM2

99

Production Process

product process S

Application of Long Coach Bolts

Wood structure connection

Fix wooden boards, wooden columns or wooden beams, such as garden fences, wooden bridges, wooden furniture, etc.

Metal-to-wood combination

Connect wooden materials to metal structures, such as door frames, railings or outdoor trellises.

Outdoor facilities

Widely used in outdoor buildings, such as pavilions, wooden platforms or children's playground equipment.

Construction

Provide stable fastening in areas such as structural reinforcement and frame installation.


Feature of Long Coach Bolts

Moderate size

8mm diameter and 100mm length, suitable for medium-thick material bonding with moderate load capacity.

Anti-loosening design

The square neck is embedded in the material to prevent the bolt from rotating during installation and improve the stability of the connection.

Strong durability

Often made of stainless steel (such as 304, 316) or galvanized steel, it is corrosion-resistant and suitable for wet or outdoor environments.

Easy to install

The round head design is suitable for tapping into the wood with a hammer without additional grooving.

Aesthetics

The exposed part of the round head is simple and beautiful, suitable for scenes that require visual effects.


Company Services

Haina is committed to providing customers with high-quality stainless steel standard fasteners and professional services to meet various engineering needs. We have a large amount of spot inventory to ensure fast delivery and save you waiting time. In addition, we provide the following value-added services to help your purchasing experience:

1. Free samples: provide samples for customer testing.

2. 3.1 Test report: quality test report that meets international standards.

3. Video factory inspection: support video factory inspection to demonstrate production process and quality management.


Advantages

- Sufficient inventory: quick response to order requirements.

- Quality assurance: strict quality control to ensure product reliability.

Haina is committed to providing efficient and high-quality fastener services.


FAQ

1.What precautions should be taken when installing stainless steel coach bolts?

Select the appropriate specifications, align the hole position, tighten the nut according to the specified torque, pay attention to the square neck clamp to prevent rotation, and add spring washers if there is a need to prevent loosening.


2.In which special scenarios are long stainless steel carriage bolts more advantageous than those of ordinary lengths?

Answer: When connecting thicker plates or stacking multiple layers of materials, long bolts can better penetrate and provide a stable connection. For example, in the assembly of large mechanical frames and the connection of bridge steel structures, long stainless steel carriage bolts can ensure sufficient connection depth and strength, enhancing the overall structural stability.


3.What are the difficulties in the production process of long stainless steel carriage bolts?

Answer: During the manufacturing of long bolts, the problem of straightness deviation is prone to occur. More precise processing equipment and process control are required to ensure that the screw rod is straight. Moreover, during the thread processing of the long screw rod, the cutting force is large, which causes rapid wear of the cutting tools. High-quality cutting tools and reasonable adjustment of process parameters are required to ensure the accuracy and quality of the threads.

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Manager: Tonyfang
Phone: +86-186 6836 8299
Email: tony@hainafastener.com
Tel: +86-0573-82272371
Fax: +86-0573-82210271
Add: 1-405 No.1888 Canaan Plaza Zuili Road, Nanhu District Jiaxing City Zhejiang Province 314050
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