Hex Head Threaded Bolts

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Hex Head Threaded Bolts Specification

Diameter
M6 to M64 or 1/4 to 2 1/2

Thickness
As per requirement or specification

Length
10mm to 500mm or as specified

Heat Treatment
Case Hardened, Quenched and Tempered, as per grade

Thread Type
Metric/UNC/UNF/BSP or customized

Head Type
Hex Head

Dimension (L*W*H)
Varies depending on size and application

Standard
DIN 933, ISO 4017, BS 3692, ASTM, JIS, IS

Grade
4.6, 8.8, 10.9, 12.9 or as specified

Use
Industrial, construction, machinery assembly, automotive

About Hex Head Threaded Bolts

Hex Head Threaded Bolts

Encouraged by the tremendous support from our team, we are able to manufacture and supply Hex Head Threaded Bolts. These products are used in varied industries for securing different machine components and parts. Owing to their dimensional accuracy, these products provide precise and tight fitting. These products have a huge popularity in the market owing to their longer service life and better workability. Hex Head Threaded Bolts are delivered to the clients in a designated time frame owing to our expert delivery personnel.

Specifications:

Product range from M6 to M100 or equivalent size in inch series.
Dimensions conforming to Product grade "A" or "B" as per IS - 1364, ISO - 4014, 4017, DIN - 931, 933, ANSI B18.2.1, or BS-1768/1083 or as per customer's drawing.
Mechanical properties for bolts conforming to ISO grade 4.6, 5.6, 6.8, 8.8 and 10.9 SAE grade 5 or 8, BS grade S, T, V & X grade. Suitable grade nuts will have the specified mechanical properties.
Coarse pitch threads tolerance - 6g for bolts and 6H for nuts conforming to IS 4218, ANSI Class 2A for bolts and 2B for nuts or medium class fit for bolts and nuts as per B-S 1580 Standards.
Coating: Phosphate coated finish, Electro - galvanized, Hot dip galvanized, Cadmium plated or Dacrotized
The above products can be supplied in Stainless steel 202, 304, 316, 410 or 420.

Versatile Material Choices

Choose from carbon steel, alloy steel, or stainless steel hex head bolts to match your applications specific mechanical and environmental requirements. With options for different gradesincluding 4.6, 8.8, 10.9, and 12.9you can ensure the ideal combination of strength and durability for critical projects, from heavy construction to high-performance machinery.

Customizable for Every Project

Available in a wide range of diameters and lengths, these bolts are manufactured according to global standards such as DIN 933, ISO 4017, and ASTM. Finishes like smooth, matte, or polished, as well as heat treatment processesincluding case hardening, quenching, and temperingare tailored to application demands, ensuring optimal utility and longevity where its needed most.

Reliable Performance in Demanding Environments

With high corrosion resistance, particularly when specified with the right surface treatment, these threaded bolts are suitable for use in aggressive or outdoor environments. Whether for construction frameworks, automotive assemblies, or machinery, the robust design and precision threading ensure secure fastening, minimizing maintenance and downtime.

FAQs of Hex Head Threaded Bolts:

Q: How are hex head threaded bolts manufactured to meet different specifications?

A: Hex head threaded bolts are produced through cold or hot forging processes, followed by precision threading (metric, UNC, UNF, BSP, or custom). The bolts undergo specific heat treatmentincluding case hardening, quenching, or temperingto achieve the required mechanical properties as per the grade and relevant international standards.

Q: What materials are available for these bolts, and how do they affect performance?

A: These bolts are available in carbon steel, alloy steel, and stainless steel. The choice of material impacts tensile strength, corrosion resistance, and suitability for specific environments. Stainless steel offers superior corrosion resistance, alloy steel provides greater strength, and carbon steel ensures cost-effective performance for less demanding applications.

Q: When should I use hex head threaded bolts with higher grades like 8.8, 10.9, or 12.9?

A: Higher-grade bolts should be employed when the application demands elevated tensile strength, such as in heavy machinery, structural construction, or automotive components subjected to high stresses. The grade indicates the bolts mechanical strength; for critical or load-bearing uses, selecting the proper grade is essential for safety and durability.

Q: Where can these bolts be used, considering their specifications?

A: These bolts are suitable for industrial, construction, machinery assembly, automotive, engineering, and oil & gas applications. Their adaptability to various sizes, finishes, and standards ensures they can be implemented wherever robust and reliable fastening is required.

Q: What surface finishes are available, and how do they benefit specific applications?

A: Available surface finishes include smooth, matte, and polished. The choice of finish enhances corrosion resistance and appearance. For outdoor or harsh environments, finishes like galvanization or special coating are recommended, while polished finishes are often favored where aesthetics or smooth assembly is important.

Q: What is the process for selecting the right thread type for my application?

A: The appropriate thread type (metric, UNC, UNF, BSP, or customized) is determined by matching the bolt to the mating component and ensuring compliance with regional or industry standards. Metric threads are common internationally, while UNC/UNF threads are prevalent in North America and for certain machinery.

Q: How does using these bolts benefit industrial and construction projects?

A: Utilizing hex head threaded bolts with the right material, grade, and finish guarantees reliable structural integrity, enhanced corrosion resistance, and long-term durability. Their compatibility with international standards and broad customization options minimize the risk of failure in demanding applications, ensuring project success.

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