Chinese Manufactory Fasto Hex Hollow Bolt 5/16"-18 Thread Size

Product Description

Chinese Manufactory Fasto Hex Hollow Bolt 5/16"-18 Thread Size

Finish	Zinc, Plain ,Hot Dip Galvanized
Material	High Strength Steel, Stainless Steel,Carbon Steel,Iron, Aluminum Steel
Measurement system	Inch, Metric
Place of Origin	Tianjin,China
Brand Name	Fasto
Standard	DIN,ISO,CE
Size	M2-M16, etc,according to customer needs
Color	As client need
Key Words	Hex Bolt, Bolt, Fasteners
Packing	Small box packing/bag or carton packing/as customers' request

Hex Head Bolts with a hollow shaft, also known as Hollow Shaft Hex Bolts or Tubular Bolts, are specialized fasteners that have a hollow core through the length of the bolt. This design is not as common as solid-shaft bolts but serves specific applications where weight savings or special functionality is required.
Applications:
Weight-Sensitive Applications:
The hollow shaft reduces the overall weight of the bolt without significantly compromising its strength. This can be important in industries such as aerospace, automotive, and motorsports, where every gram counts towards performance and efficiency.
Through-Bolt Applications:
In scenarios where the bolt needs to pass through a component or assembly, the hollow shaft can allow for the passage of wires, cables, or other components inside the bolt itself. This can be useful in electrical enclosures, conduit installations, or machinery where space is at a premium.
Specialized Machinery:
Certain machines may require bolts that serve dual purposes, such as providing both mechanical fastening and allowing fluid or air to flow through them. Hollow shaft hex bolts can be used in pneumatic systems, hydraulic equipment, or any application requiring internal passages within the fastener.
Decorative or Architectural Elements:
In architectural designs or decorative assemblies, the hollow shaft might be used to conceal fasteners or create a seamless appearance by hiding elements like pins or dowels within the bolt.
Pipe and Tubing Connections:
These bolts can sometimes be utilized in pipe flange connections or tubing assemblies where they need to fit around existing piping or when the bolt's reduced diameter due to the hollow core allows for tighter clearances.
Considerations:
Strength vs. Weight: While hollow shaft bolts can reduce weight, they generally offer less tensile strength compared to solid-shaft equivalents. Engineers must ensure that the chosen bolt will withstand the expected loads.
Corrosion Resistance: Depending on the environment, it might be necessary to select materials or coatings that provide adequate protection against corrosion, especially since moisture could potentially accumulate inside the hollow shaft.
Fasto was established in 1999 with the goal of supplying best quality fasteners at competitive prices and proving best service to international customers. Today, Fasto has been one of the top producers of quality fasteners, such as screws, bolts, nuts, washers, rivets, thread rods, nails, anchors and so on.We have professional Sales Group and two factories. One factory is located in Ningbo and another is in Tianjin. Shipment from Shanghai, Ningbo, or Tianjin port as you like. We have offices in Xi`an, Beijing.
OUR TEAM:
FAQ
1.Why choose us?
We are specialized in Fasteners for about 22 years,with professional production and export experience, we can provide you with high-quality customer service.
2.What's your main product?
We mainly produce and sell various self tapping screws,self drilling screws,drywall screws,chipboard screws,roofing screws,wood screws,bolts,nuts etc.
3.You are a manufacturing company or trading company?
We are a manufacturing company and have exporting experience for more than 22 years.
4.How long is your delivery time?
It is according to your quantity.Generally,it is about 7-15days.
5.Do you provide free samples?
Yes, we provide free samples, and the quantity of samples does not exceed 20 pieces.
6.What's your payment terms?
Mostly we use 30% advance payment by T/T, 70% before shipment.

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