Introduction to Hex Bolt Plain

A hex bolt plain is a structural fastener with a hexagonal head and machine threads that has an unthreaded shank below the head. The unthreaded section of the bolt creates a stronger, more uniform shaft that makes the fastening more resistant to vibration and shear forces. Plain hex bolts are often used with unthreaded holes and can function similarly to a dowel in these applications.

HEX BOLT DIN 931/ISO4014 933/ISO4017 PLAIN:

M 5 x 30 – 100	M 6 x 30 – 200
M 8 x 35 – 300	M 10 x 40 – 300
M 12 x 45 – 300	M 14 x 50 – 300
M 16 x 55 – 300	M 18 x 65 – 300
M 20 x 70 – 300	M 22 x 70 – 300
M 24 x 70 – 300	M 27 x 80 – 300
M 30 x 80 – 300	M 33 x 60 – 200
M 36 x 90 – 300	M 42 x 80 – 200

Class	Size	Material	Tensile strength σ b min (Mpa)	Hardness (HRC)	Elongation δ% δ %	Reduction of cross-sectional area Ψ %
8.8	d ≤ M16	35 #, 45 #	800	22~32	12	52
8.8	M18≤d≤ 24	35 #, 45 #	830	23~34	12	52
8.8	d ≥ M27	40 Cr	830	22~34	12	52
10.9	All Size	40 Cr, 35CrMoA	1040	32~39	9	48
12.9	All Size	35 CrMoA, 42CrMoA	1220	39~44	8	44

Advantages of Hex Bolt Plain

The applications of hex bolt plain in industry are a lot. They are used in a wide range of industries, including construction, petrochemicals and aerospace. Below are some of the main advantages of using hex bolt plain:

Strength: Hex Bolt Plain are designed to withstand heavy loads, making them an excellent option for applications involving high force and pressure. They are strong and durable, making them a safe and reliable fastening solution.
Easy to use: Hex Bolt Plain have a hexagonal head, which means they are easy to grip with a spanner or spanner. This makes it easy to tighten or loosen the bolts, even in tight spaces.
Versatility: Hex Bolt Plain are available in different sizes and lengths, making them suitable for a wide range of applications. From the construction sector to the manufacturing industry, hex bolt plain are suitable for virtually any fastening challenge.
Corrosion-resistant: Hex Bolt Plain can be manufactured from a variety of materials, including stainless steel and other corrosion-resistant alloys. This makes them an ideal choice for applications where they are exposed to water or moisture, or in harsh environments where corrosion can be a problem.
Cost-effective: Hex Bolt Plain are generally affordable and readily available, making them a cost-effective fastening solution for many applications.

Applications of Hex Bolt Plain

Hex Bolt Plain are used in a variety of applications, including construction, industrial machinery, and household items. They are commonly found in applications such as securing wheels on cars and trucks, attaching parts to machinery, and fastening furniture and other household items.

Best Practices for Using Hex Bolt Plain:

To ensure optimal performance and safety when using hex bolt plain, consider the following best practices:

Proper Torque: Use a torque wrench or other appropriate tools to tighten hex bolts to the recommended torque values specified by the manufacturer or engineering standards.
Preload and Tension: Achieve the desired preload or tension in the bolt by applying the appropriate torque, considering factors such as clamping force and material properties.
Thread Engagement: Ensure sufficient thread engagement between the bolt and nut or threaded hole to guarantee a strong and reliable connection.
Proper Storage and Handling: Store hex bolts in a clean, dry environment to prevent corrosion and damage. Handle them with care to avoid thread damage or deformation.

Hex Bolt Plain suppliers Product Recommendations

Wear Resistant Steel: Wear Resistant Steels are steels with high hardness and a series of mechanical properties that allow their lifespan and that of the equipment where we use them to significantly increase in applications where there is sliding, friction, impact, or even a combination of 2 or all 3 of them.

Wear Resistant Steel Plate Nm500hardox 500: Wear Resistant Steel Plate Nm500hardox 500 is a high-strength wear-resistant steel, which has a high wear resistance, Brinell hardness value reaches 500 (HBW) mainly in the need to wear the occasion or location to provide protection to the equipment longer life, reduced maintenance brought maintenance and downtime, and the corresponding reduction of capital investments.

Cap Nut Din 1587: A cap nut din 1587 is a nut with a domed end on one side that's used to protect exposed threaded fasteners. Cap Nut Din 1587 can protect objects near the ends of screws from scratches and injuries, and can also reduce the risk of injury to people if the fastener is hit. Cap Nut Din 1587 can also provide a safer, smoother finish to the assembled surface, and can be used for decorative purposes.

Din557 Square Nuts: Din557 Square Nuts have the same threaded interior as their hexagonal counterparts. They feature internal threading that supports the external threading of a bolt. The difference lies in their shape. With their square shape, din557 square nuts only have four sides, compared to the six sides for hexagonal nuts. This alternative shape offers several benefits.

Din557 Square Nuts are widely used in steel structures, rail transit, automobiles and other mechanical equipment that require high strength and high toughness to ensure the safety and stability of fasteners.

Hex Coupling Nut Din 6334: Hex Coupling Nut Din 6334 also called extension nut, is one kind of hexagon shape inside-threaded long nut for joining two male threaded fasteners, mostly like threaded rods or pipes. We offers hex coupling nut with material stainless steel 304,316 and steel types for your choice. Standards: DIN 6334/ASME B 18.2.

Hex Nut Din 934: DIN 934 is a standard for metric hex nuts with coarse and fine pitch threads. Hex Nut DIN 934 covers sizes from M1 to M160 and can be made from materials such as carbon steel, A2 stainless steel, and A4 stainless steel.

Hex Bolt Plain Manufacturers Questions Guide:

FAQ

Q: What surface treatments does Hex Bolt Plain have?

A: Material and finish options for hex bolt plain include:
Plain Finish: Plain finish hex bolts are a low-cost solution for applications that do not require corrosion resistance.
Zinc Finish: Zinc-coated hex bolts provide enhanced corrosion resistance, making them ideal for outdoor use and humid environments.
18-8 Stainless Steel: 18-8 stainless steel hex bolts offer exceptional corrosion resistance without compromising strength.
316 Stainless Steel: For applications requiring resistance to harsh chemicals and corrosive elements, our 316 stainless steel hex bolts deliver top-tier performance.

Q: What types of Hex Bolt Plain are there?

A: Types of Hex Bolt Plain:
Hex Bolt Plain come in different types based on their specific features and applications. Some common types include:
Fully Threaded Hex Bolts: These bolts have threads along their entire shaft length and are suitable for applications requiring maximum grip and tension.
Partially Threaded Hex Bolts: These bolts have a threaded portion on one end and an unthreaded shank, allowing for a combination of threaded and unthreaded connections.
Heavy Hex Bolts: These bolts have larger head and thread dimensions compared to standard hex bolts, providing increased strength and load-bearing capabilities.
Flange Hex Bolts: These bolts have a built-in flange under the head, eliminating the need for a separate washer and distributing load more evenly.

Q: What materials are used to produce Black Hex Bolt?

A: Black hex bolts are machine bolts with a hexagonal head that can be used to secure two or more objects together. They can be made from different materials and have different finishes, such as black oxide, black phosphate, or stainless steel:
Black oxide: A conversion coating process that can be applied to stainless steel bolts and nuts to increase corrosion resistance and for aesthetic reasons
Black phosphate: Can be gripped from almost any angle and loosened by hand, making for easier installation
Stainless steel: Can be corrosion and chemical resistant, making them suitable for use in damp environments or in industries such as automotive, agriculture, and food processing

Q: What is the difference between Grade 4.8 and 8.8 bolts?

A: The bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel and are heat treated (quenched and tempered). Carbon steel grade 4.8 bolts are commonly referred to as high strength bolts, and the others are commonly referred to as ordinary bolts.

Q: What are the types of Hex Bolt?

A: Here are some different types of hex bolts:
Grade 8 plain: A bare metal bolt with a fine thread made from medium carbon alloy steel that's quenched and tempered. Grade 8 bolts are harder and have a higher tensile strength than grade 5 bolts, but they're also more brittle.
Grade 5 plain: A bare metal bolt with a coarse thread.
Heavy: A structural bolt that meets the requirements of ASTM A325.

Q: What is the equivalent of DIN 912?

A: DIN 912 and ISO 4762 are equivalent standards, with the only difference in the standards themselves being that some nominal sizes were cut and that a fine thread standard (ISO 12474) was created.

Q: What are the applications of Hook Bolt Zinc Plated?

A: A hook bolt zinc plated is a type of bolt that's coated in zinc and can be used for hanging items on walls or ceilings. Zinc plating can provide corrosion resistance and moderate heat resistance, and it's also cheaper than stainless steel. Hook Bolt Zinc Plated can be used for a variety of applications, including:
Hanging items: Hook bolts can be used to hang art, house plants, and frames on walls or ceilings. They can also be used to suspend cables, chains, and wire.
Roofing: Hook bolts can be used to fix roofing sheets.

Q: Why use hook bolt zinc plated?

A: Hook Bolt Zinc Plated can be a good choice for many applications because they are inexpensive, provide some corrosion resistance, and have other benefits:
Cost: Zinc is inexpensive to obtain and process, making zinc-plated bolts cheaper than stainless steel.
Corrosion resistance: Zinc corrodes more slowly than other metals, such as steel, and can protect the base metal from moisture and oxygen. However, zinc plating may not be enough in wet or humid environments, and zinc is also susceptible to acids and alkalis.
Other benefits: Zinc plating can also add lubricity to the threads, increase surface hardness, and provide moderate heat resistance up to 400° F. Zinc is also recyclable, making it a sustainable option.

Q: Where is Bolt Grade 4.8 widely used?

A: Bolt Grade 4.8 is one of the most common fasteners in the world due to its universal applications. This bolt has a hexagon shaped head, which mostly fasten with spanner or hexagon wrench that most of household might have, so it is easy for everyone to use. Due to bolt grade 4.8 is low-tensile strength fasteners, make it suitable for light weight application which can be using indoor or outdoor use as well, plating will be vary due to each application.

Q: what is eye bolt galvanized?

A: An eye bolt galvanized is a mechanical fastener with a threaded shaft and a head forming a ring. Eye Bolt Galvanizeds are used to attach an eye to a structure, through which rope, cable or shackles can be secured. A common use is to create a lifting eye so that a crane can be attached to machinery, with special purpose lifting eyes rated for their safe working load.

Q: What are the advantages of Flange Bolt Galvanized?

A: Flange Bolt Galvanizeds are becoming more common than other types of bolts. There are several advantages to the galvanization process, which enhances the quality of these bolts.
Protection: Flange Bolt Galvanizeds have higher corrosion resistance. Therefore, it proves to be an excellent material even when the climate is extreme.
Cost-effective: The affordability ratio of flange bolt galvanizeds is also higher. They prove to be an excellent alternative to stainless and chrome alloys and are cost-beneficial.
Superior strength: Because of their shape, Flange Bolt Galvanizeds provide superior strength to traditional nuts because they help evenly distribute the load across the surface area of the bolt's head. This superior strength of these bolts, therefore, aids in preventing loosening over time.

Hot Tags: hex bolt plain, China hex bolt plain manufacturers, suppliers, factory, Hex Bolt Din 933 Cl 8 8, , , ,