Postview: 372 Date:February 14,
Please visit our website for more information on this topic.
When using mechanical equipment, fasteners are necessary if you want them to work properly. However, after looking at many designs, we found that almost all fastener designs use hexagon socket screws, whether countersunk or non-countersunk. Some people may wonder why many mechanical devices use inner hex screws instead of outer hex bolts. What are the advantages of inner hex screws?
As a leading fastener manufacturer in China, Xinchi Fastener Company has many years of experience in the fastener field. Today we are going to discuss with you the advantages and disadvantages of outer hexagon screws and inner hexagon screws.
The thread on the outer hexagon bolt is generally fine tooth ordinary thread. External hexagon screws with common thread around the ring teeth have better self-pin performance, mainly used on thin-wall parts or under the impact, vibration, or alternating load.
Generally, external hexagon screws are partially threaded. Full-threaded outer hexagon screws are mainly used for short outer hexagon screws with nominal length and longer thread requirements. External hexagon screws with holes are used when external hexagon screws are needed for locking. External hexagon screws with hinged holes can accurately fix the relative position of the connected parts and can be subjected to shear and extrusion caused by die force.
The advantage of the outer hexagon blots is that the pre-loading contact area is large, and the pre-loading force can be used very much. It is generally used in large equipment, and the price is lower than the inner hexagon. The disadvantage of outer hexagon screws is that they occupy a large space and cannot be used in countersunk holes.
Hexagon socket screws are often used in machinery, which is easy to tighten, and disassemble, and not easy to slide Angle. An Allen wrench is usually a 90° turn, one end is long and the other is short. When using the short side of the Allen wrench to screw, we can hold the long side, which can save a lot of force and can better tighten the screw. The long end of the inner Allen wrench has a round head (hexagonal cylinder similar to the ball) or a flat head. And the round head can be very convenient for oblique disassembly, used to install some parts that are not convenient to use a wrench.
The manufacturing cost of outer hexagon screws is much lower than that of inner hexagon screws. The outer hexagon screw has the advantage that the screw head (wrench stress position) is thinner than the inner hex screws, and can not be replaced by inner hex screws in some places. In addition, machinery with low cost, small power strength, and low precision requirements use hex screws more frequently.
The advantage of inner hexagon screws is that it occupies a small space and can be used as a countersunk head, which is generally used in small equipment. Its disadvantage is that the preload contact area is small, and can not use too large preload force. In addition, the price of hexagon screws will also be a little more expensive, after a certain length there is no full thread.
Anji Xinchi Fastening Piece Co., Ltd is a one-stop solution fasteners company and is the designated fastener supplier to&#;STAPLE&#;. As a trusted fastener supplier, Xinchi Fastener Company can offer a wide range of high-quality fasteners, including tee nuts, screws, bolts, rivets, washers, etc. If you want to know more about fasteners or want to wholesale fasteners, please feel free to contact us. And then our experienced and expert service team will reply to you as soon as possible.
Bolts, one of the most versatile and reliable types of fasteners, play an integral role across countless applications and industries. Among the various types of bolts, hex bolts and carriage bolts represent two popular choices due to their distinctive characteristics and uses.
This article will deal with the differences between a carriage bolt and a hex bolt and will provide the information necessary to make the best choice for a given project.
Hex bolts, also called hexagonal head bolts, have heads that are shaped like a hexagon. You can use a wrench or socket to tighten or loosen them. Hex bolts come in different sizes and materials, so they can be used in many different situations.
Among the types of hex bolts, hex machine bolts are noteworthy as they are commonly used in heavy-duty applications due to their strength and precision. Unlike other bolts, hex machine bolts do not drill through materials themselves; they work in concert with pre-drilled and tapped holes to establish a strong, stable bond.
When inserted into a tapped hole and secured with a nut, the tension generated causes the bolt to stretch, thereby reinforcing the bond.
Carriage bolts, alternatively referred to as coach bolts, are another prevalent type of bolt. They feature a rounded head, which is usually square underneath, and a cylindrical shaft that may be fully or partially threaded. The distinctive design of the head allows it to sink into the material and prevents it from moving or turning, which makes it ideal for use in wood and other similar materials.
The square section beneath the head locks into the material to prevent rotation during the tightening process, which differentiates it from other bolt types, and requires a unique installation process. This feature, combined with the bolt's smooth, domed exterior, makes carriage bolts a popular choice for applications that demand a clean finish.
When comparing hex bolts to carriage bolts, it's essential to understand their key differences. The primary distinction between the two lies in their design and, as a result, their ideal applications.
Goto Hebei Bentley Technology to know more.
The square cross-section just beneath the head of a carriage bolt allows it to fit into a square hole, which makes it self-locking when used in a square hole in a metal strap. This design advantage allows the fastener to be installed using only one tool, from one side of the material.
The carriage bolt is commonly used in security applications where the bolt must be removable from one side only. The smooth, domed head and the square neck prevent the bolt from being gripped and rotated from the insecure side.
Carriage bolts are effective in fastening wood to metal, and wood to wood due to the square section under the head that provides enough grip to prevent rotation when used in bare timber.
Carriage bolts can be used in various industries, such as water conservation and treatment, railroad, farming, and mining. They are also suitable for use in different applications such as fastening metal to metal, wood to metal, and wood to wood.
Carriage bolts are designed to be inserted into pre-drilled holes. Once the bolt is inserted into the hole (by hand or gently with a hammer if needed), a washer and nut are attached to secure the bolt. The washer helps to prevent damage when the nut is used to pull the bolt through the material.
Carriage bolts possess both tensile and shear strength, which depends on the grade and material of the fastener. This contributes to the bolt's durability and the secure hold it provides.
Carriage bolts are often not ideal for fine furniture or cabinetry due to their size, which can make them difficult to hide. This can impact the aesthetic appeal of a project where a more hidden or discreet fastening solution would be preferable.
While an advantage in some situations, the design of carriage bolts, with a rounded head and the tightening completed by twisting the nut over the thread, means they can only be accessed and tightened from one side.
The design of the carriage bolt also expects the head to sit on top of the material.
While carriage bolts are compatible with multiple materials, including wood and metal, they may not be suitable for all material types or applications, such as certain types of plastic or composite materials.
The hexagonal-shaped head is the most distinctive feature of a hex bolt, hence its name. This design allows for a secure grip with a wrench or a socket, and provides a broad surface area for tools to apply torque.
They are ideal for heavy-duty fixing and fastening applications, and their uses span from construction projects to machinery assemblies, woodworking tasks, engineering applications, and vehicle or automotive repairs.
Hex bolts offer strong tensile properties. They are designed to bear heavy loads, which makes them ideal for applications that demand strength, such as the construction of buildings, bridges, and road infrastructures.
Hex bolts are available in various types and sizes, including both fully and partially threaded variants.
Hex bolts come in various materials and finishes, such as stainless steel, carbon steel, and more, which allows them to be used in different environments and scenarios.
If too much force is applied when tightening or loosening a hex bolt, it is possible to strip the corners of the hexagonal head. This can make the bolt difficult to remove and might require specialized tools or methods for extraction.
Hex bolts have a more industrial appearance, which may not be suitable for all applications, particularly those where the fasteners are visible and aesthetics are a consideration.
Unlike countersunk screws or certain other types of fasteners, hex bolts have a head that protrudes from the surface of the material. This can be a disadvantage in applications where a flush surface is desired or where the bolt could be a snag hazard.
Fastener Systems Inc. is here to help you make the best choice. With our extensive selection of bolts and other fasteners, we can ensure that you will find the perfect fit for your project.
&#;Contact us today or checkout our catalog of our entire range of fasteners and tools!
If you want to learn more, please visit our website Hex Bolt Supplier.