Hex Flange Bolts

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Manufacturer, Exporter & Supplier of Hex Flange Bolts

Hex Flange Bolts

Welcome to GIC Fasteners, your premier destination for a comprehensive range of hex flange bolts crafted to meet the highest industry standards. As a leading manufacturer, we adhere to a strict commitment to quality and precision in every bolt we produce. Our hex flange bolts are engineered to comply with a multitude of international standards, including DIN, ASTM, ISO, and BS, ensuring compatibility and reliability across diverse applications. Whether you require standard or custom specifications, our expert team at GIC Fasteners is dedicated to delivering top-notch solutions tailored to your specific needs. Trust in our expertise and experience to provide you with hex flange bolts that exceed expectations in performance, durability, and safety.

Are you searching for high-quality hex flange bolts tailored for your industrial projects? Look no further than GIC Fasteners. Our company, renowned for its expertise, crafts precision-engineered bolts designed to provide secure fastening solutions across various applications. Utilizing the finest materials, our hex flange bolts are synonymous with durability and strength, capable of withstanding the rigors of demanding environments.

At GIC Fasteners, we prioritize quality and precision in every bolt we manufacture. Whether your endeavors involve construction, automotive, or manufacturing, our hex flange bolts assure unmatched performance and reliability. Ready to elevate your fastening experience? Reach out to our expert team today at sales@gicfasteners.com, and let us tailor the perfect solution to meet your fastening needs.

Hex Flange Bolts Specifications

Standard : DIN, ASTM, BS, ISO, JIS, IS, GB, IS 4190 and all other International Standards
Length : 3 mm to 200 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Threads: : BSF, UNF METRIC, UNC, BSW or as required
Finish : Plain, black, zinc plated (Cr,3+), zinc plated(Cr,6+), hot dipped galvanized, dacromet, nickel plated, cadmium plated, etc.
Forming : Hot & Cold Forged
Variants : Fully Threaded Hex Flange Bolts, Partial Threaded Hex Flange Bolts, Metric Hex Flange Bolts, Imperial Hex Flange Bolts
Coatings : PTFE (Teflon), Hot Dip Galvanizing, Aluminum Zinc Flake, Zinc Phosphating, Manganese Phosphating, Metallic Zinc, Nickel Bolts Plating, Chrome Plating, Cadmium Plating, Silver Plating, Tin Plating

DIN 6921 Hex Flange Bolts Technical Specifications

DIN 6921 Hex Flange Bolts Drawing
Screw Thread
d
M5 M6 M8
P Pitch Coarse thread 0.8 1 1.25
Fine thread-1 / / 1
Fine thread-2 / / /
Length of Thread
b
L≤125 16 18 22
125<L≤200 / / 28
L>200 / / /
c min 1 1.1 1.2
da Form A max 5.7 6.8 9.2
Form B max 6.2 7.4 10
dc max 11.8 14.2 18
ds max 5 6 8
min 4.82 5.82 7.78
du max 5.5 6.6 9
dw min 9.8 12.2 15.8
e min 8.71 10.95 14.26
f max 1.4 2 2
k max 5.4 6.6 8.1
k1 min 2 2.5 3.2
r1 min 0.25 0.4 0.4
r2 max 0.3 0.4 0.5
r3 min 0.1 0.1 0.15
r4 3 3.4 4.3
s max=nominal size 8 10 13
min 7.78 9.78 12.73
t max 0.15 0.2 0.25
min 0.05 0.05 0.1

Screw Thread
d
M10 M12 M14
P Pitch Coarse thread 1.5 1.75 2
Fine thread-1 1.25 1.5 1.5
Fine thread-2 1 1.25 /
Length of Thread
b
L≤125 26 30 34
125<L≤200 32 36 40
L>200 / / /
c min 1.5 1.8 2.1
da Form A max 11.2 13.7 15.7
Form B max 12.6 15.2 17.7
dc max 22.3 26.6 30.5
ds max 10 12 14
min 9.78 11.73 13.73
du max 11 13.5 15.5
dw min 19.6 23.8 27.6
e min 16.5 17.62 19.86
f max 2 3 3
k max 9.2 11.5 12.8
k1 min 3.6 4.6 5.1
r1 min 0.4 0.6 0.6
r2 max 0.6 0.7 0.9
r3 min 0.2 0.25 0.3
r4 4.3 6.4 6.4
s max=nominal size 15 16 18
min 14.73 15.73 17.73
t max 0.3 0.35 0.45
min 0.15 0.15 0.2

Screw Thread
d
M16 M20
P Pitch Coarse thread 2 2.5
Fine thread-1 1.5 1.5
Fine thread-2 / /
Length of Thread
b
L≤125 38 46
125<L≤200 44 52
L>200 57 65
c min 2.4 3
da Form A max 17.7 22.4
Form B max 20.7 25.7
dc max 35 43
ds max 16 20
min 15.73 19.67
du max 17.5 22
dw min 31.9 39.9
e min 23.15 29.87
f max 3 4
k max 14.4 17.1
k1 min 5.8 6.8
r1 min 0.6 0.8
r2 max 1 1.2
r3 min 0.35 0.4
r4 6.4 8.5
s max=nominal size 21 27
min 20.67 26.67
t max 0.5 0.65
min 0.25 0.3


b1 for L 125 mm
b2 for 125mm < L 200 mm
b3 for L > 200 mm

Metric Hex Flange Bolt (DIN 6921) (ANSI B1.1 UNC, UNF) | Units: mm

Metric Hex Flange Bolts Drawing

Nominal
Size of Screw

Width
Across Flats
(F)

Width
Across
Corners
(G)

Flange
Diameter
(B)

Body
Diameter
(E)
Head
Height
(H)

Hex
Height
(K)

Thread
Length
(LT)

Max Min Min Max Max Min Max Min Basic
M5 8.00 7.78 8.71 11.80 5.00 4.82 5.40 2.80 16.00
M6 10.00 9.78 10.95 14.20 6.00 5.82 6.60 3.40 18.00
M8 13.00 12.73 14.26 18.00 8.00 7.78 8.10 4.20 22.00
M10 15.00 14.73 16.50 22.30 10.00 9.78 9.20 5.70 26.00
M12 16.00 15.73 17.62 26.60 12.00 11.73 11.50 6.10 30.00
M14 18.00 17.73 19.86 30.50 14.00 13.73 12.80 7.10 34.00
M16 21.00 20.67 23.15 35.00 16.00 15.73 14.40 8.70 38.00

Grades of Stainless Steel Hex Flange Bolts

  • Stainless Steel 304 Hex Flange Bolts
  • Stainless Steel 304L Hex Flange Bolts
  • Stainless Steel 304H Hex Flange Bolts
  • Stainless Steel 310 Hex Flange Bolts
  • Stainless Steel 310S Hex Flange Bolts
  • Stainless Steel 310H Hex Flange Bolts
  • Stainless Steel 316 Hex Flange Bolts
  • Stainless Steel 316L Hex Flange Bolts
  • Stainless Steel 316Ti Hex Flange Bolts
  • Stainless Steel 317 Hex Flange Bolts
  • Stainless Steel 317L Hex Flange Bolts
  • Stainless Steel 321 Hex Flange Bolts
  • Stainless Steel 321H Hex Flange Bolts
  • Stainless Steel 347 Hex Flange Bolts
  • Stainless Steel 347H Hex Flange Bolts
  • Stainless Steel 904L Hex Flange Bolts
  • Stainless Steel 410 Hex Flange Bolts
  • Stainless Steel 446 Hex Flange Bolts
  • 17-4 PH Stainless Steel Hex Flange Bolts
  • SMO 254 Hex Flange Bolts
  • Alloy 20 Hex Flange Bolts

Grades of Duplex & Super Duplex Steel Hex Flange Bolts

  • UNS S32205 Hex Flange Bolts
  • UNS S31803 Hex Flange Bolts
  • UNS S32750 Hex Flange Bolts
  • UNS S32760 Hex Flange Bolts

Grades of Nickel Alloys Hex Flange Bolts

  • Inconel 600 Hex Flange Bolts
  • Inconel 601 Hex Flange Bolts
  • Inconel 625 Hex Flange Bolts
  • Inconel 718 Hex Flange Bolts
  • Incoloy 800 Hex Flange Bolts
  • Incoloy 825 Hex Flange Bolts
  • Monel 400 Hex Flange Bolts
  • Monel K500 Hex Flange Bolts
  • Nickel 200 Hex Flange Bolts
  • Nickel 201 Hex Flange Bolts
  • Hastelloy C276 Hex Flange Bolts
  • Hastelloy C22 Hex Flange Bolts
  • Hastelloy B2 Hex Flange Bolts
  • Hastelloy B3 Hex Flange Bolts
  • Hastelloy X Hex Flange Bolts

Grades of Titanium Hex Flange Bolts

  • Titanium Grade 2 Hex Flange Bolts
  • Titanium Grade 5 Hex Flange Bolts

Grades of Tantalum Hex Flange Bolts

  • UNS R05200 Hex Flange Bolts
  • UNS R05252 Hex Flange Bolts
  • UNS R05255 Hex Flange Bolts
  • UNS R05400 Hex Flange Bolts

Grades of Copper Hex Flange Bolts

  • UNS C11000 Hex Flange Bolts
  • UNS C10100 Hex Flange Bolts
  • UNS C10200 Hex Flange Bolts
  • UNS C12000 Hex Flange Bolts
  • UNS C12200 Hex Flange Bolts

Grades of Cupro Nickel Hex Flange Bolts

  • CuNi 90/10 Hex Flange Bolts
  • CuNi 70/30 Hex Flange Bolts

Grades of Brass Carriage Hex Flange Bolts

  • UNS C21000 Hex Flange Bolts
  • UNS C22000 Hex Flange Bolts
  • UNS C22600 Hex Flange Bolts
  • UNS C23000 Hex Flange Bolts
  • UNS C24000 Hex Flange Bolts
  • UNS C26000 Hex Flange Bolts
  • UNS C26800 Hex Flange Bolts
  • UNS C27000 Hex Flange Bolts
  • UNS C27200 Hex Flange Bolts
  • UNS C28000 Hex Flange Bolts
  • UNS C33000 Hex Flange Bolts
  • UNS C33500 Hex Flange Bolts
  • UNS C34000 Hex Flange Bolts
  • UNS C34200 Hex Flange Bolts
  • UNS C35300 Hex Flange Bolts
  • UNS C35600 Hex Flange Bolts

Grades of Aluminium Hex Flange Bolts

  • Aluminium Alloy 1050 Hex Flange Bolts
  • Aluminium Alloy 1060 Hex Flange Bolts
  • Aluminium Alloy 1060 Hex Flange Bolts
  • Aluminium Alloy 1070 Hex Flange Bolts
  • Aluminium Alloy 1080 Hex Flange Bolts
  • Aluminium Alloy 1100 Hex Flange Bolts
  • Aluminium Alloy 1145 Hex Flange Bolts
  • Aluminium Alloy 2011 Hex Flange Bolts
  • Aluminium Alloy 2014 Hex Flange Bolts
  • Aluminium Alloy 2017 Hex Flange Bolts
  • Aluminium Alloy 2024 Hex Flange Bolts
  • Aluminium Alloy 2090 Hex Flange Bolts
  • Aluminium Alloy 3003 Hex Flange Bolts
  • Aluminium Alloy 5052 Hex Flange Bolts
  • Aluminium Alloy 5083 Hex Flange Bolts
  • Aluminium Alloy 6061 Hex Flange Bolts
  • Aluminium Alloy 6063 Hex Flange Bolts
  • Aluminium Alloy 6066 Hex Flange Bolts
  • Aluminium Alloy 6082 Hex Flange Bolts
  • Aluminium Alloy 7050 Hex Flange Bolts
  • Aluminium Alloy 7075 Hex Flange Bolts

Grades of Carbon Steel Hex Flange Bolts

  • Carbon Steel AISI 1018 Hex Flange Bolts
  • Carbon Steel AISI 1020 Hex Flange Bolts
  • Carbon Steel AISI 1040 Hex Flange Bolts
  • Carbon Steel AISI 1045 Hex Flange Bolts

Grades of Alloy Steel Hex Flange Bolts

  • Alloy Steel AISI 4130 Hex Flange Bolts
  • Alloy Steel AISI 4140 Hex Flange Bolts
  • Alloy Steel AISI 4340 Hex Flange Bolts
  • Alloy Steel AISI 8620 Hex Flange Bolts
  • ASTM A193 Alloy Steel Gr B7 Hex Flange Bolts
  • ASTM A193 Alloy Steel Gr B7M Hex Flange Bolts
  • ASTM A320 Alloy Steel Gr L7 Hex Flange Bolts
  • ASTM A320 Alloy Steel Gr L7M Hex Flange Bolts
  • ASTM A320 Alloy Steel Gr L43 Hex Flange Bolts
  • ASTM A194 Alloy Steel Gr 2H Hex Flange Bolts
  • ASTM A194 Alloy Steel Gr 2HM Hex Flange Bolts
  • ISO 898-1 Alloy Steel Gr 8.8 Hex Flange Bolts
  • ISO 898-1 Alloy Steel Gr 10.9 Hex Flange Bolts
  • ISO 898-1 Alloy Steel Gr 12.9 Hex Flange Bolts

Grades of Silicon Bronze Hex Flange Bolts

  • UNS C65100 Hex Flange Bolts
  • UNS C65500 Hex Flange Bolts
  • UNS C66100 Hex Flange Bolts

Grades of Phosphor Bronze Hex Flange Bolts

  • UNS C51000 Hex Flange Bolts
  • UNS C51900 Hex Flange Bolts
  • UNS C52100 Hex Flange Bolts
  • UNS C54400 Hex Flange Bolts

Grades of Zirconium Hex Flange Bolts

  • UNS R60700 Hex Flange Bolts
  • UNS R60702 Hex Flange Bolts
  • UNS R60704 Hex Flange Bolts
  • UNS R60705 Hex Flange Bolts
  • UNS R60706 Hex Flange Bolts

Grades of Beryllium Copper Hex Flange Bolts

  • UNS C17200 Hex Flange Bolts
  • UNS C17300 Hex Flange Bolts
  • UNS C17500 Hex Flange Bolts
  • UNS C17510 Hex Flange Bolts

Grades of High Tensile Hex Flange Bolts

  • Grade 8.8 Hex Flange Bolts
  • Grade 10.9 Hex Flange Bolts
  • Grade 12.9 Hex Flange Bolts

Grades of Nimonic Hex Flange Bolts

  • Nimonic Alloy 75 Hex Flange Bolts
  • Nimonic Alloy 80a Hex Flange Bolts
  • Nimonic Alloy 90 Hex Flange Bolts
  • Nimonic Alloy 105 Hex Flange Bolts
  • Nimonic Alloy 115 Hex Flange Bolts
  • Nimonic Alloy 236 Hex Flange Bolts

Grades of Nitronic Hex Flange Bolts

  • Nitronic 50 Hex Flange Bolts
  • Nitronic 60 Hex Flange Bolts

Characteristics of Hex Flange Bolts

  • Precision Fastening: Hex Flange Bolts offer precise and secure fastening, making them ideal for applications where torque accuracy is essential.
  • Integrated Flange: These bolts feature an integrated flange under the head, which distributes the load over a larger surface area, reducing the risk of loosening, especially in high-vibration environments.
  • Hexagonal Head: Hex Flange Bolts have a hexagonal head that allows for easy tightening with a standard wrench or socket, providing a secure grip for installation.
  • High-Strength Material: They are typically made from high-strength materials like carbon steel, alloy steel, or stainless steel, ensuring durability and reliability.
  • Corrosion Resistance: Many Hex Flange Bolts come with corrosion-resistant coatings or materials, making them suitable for outdoor and corrosive environments.
  • Versatility: Hex Flange Bolts are versatile fasteners used in a wide range of applications, from automotive and construction to machinery and industrial equipment.
  • Reduced Maintenance: The integrated flange design helps reduce maintenance by minimizing the need for constant retightening in high-stress and dynamic applications.
  • Compliance with Standards: These bolts are manufactured to meet industry standards such as DIN (Deutsches Institut für Normung) and ASTM (American Society for Testing and Materials), ensuring consistent quality.
  • Secure and Reliable: Hex Flange Bolts provide a secure and reliable fastening solution, critical for the structural integrity and safety of various projects and equipment.

Applications of Hex Flange Bolts

Hex Flange Bolts are versatile fasteners known for their precision and reliability. They find widespread use in various industries and applications:

1. Automotive Manufacturing: Hex Flange Bolts are commonly used in automotive assembly, securing critical components such as engines, transmissions, and chassis parts.

2. Construction: They play a vital role in construction projects, fastening structural elements, providing stability, and ensuring the durability of buildings and infrastructure.

3. Machinery Assembly: Hex Flange Bolts are ideal for assembling machinery and equipment, offering secure connections and reduced maintenance in industrial settings.

4. Renewable Energy: They are used in renewable energy applications like wind turbine assembly, ensuring dependable fastening in green energy projects.

5. Aerospace: In the aerospace sector, Hex Flange Bolts are employed for aircraft assembly, providing precision fastening solutions that meet strict aviation standards.

6. Marine Industry: Their resistance to corrosion makes them suitable for marine applications, where exposure to saltwater and harsh environments is common.

7. Electrical and Electronics: They are used in the assembly of electrical panels, electronics, and control systems, ensuring secure and reliable connections.

8. Industrial Equipment: Hex Flange Bolts find use in various industrial equipment, such as conveyor systems, where stability and reliability are paramount.

9. Agricultural Machinery: They secure components in agricultural machinery, ensuring the efficiency and safety of farming equipment.

These applications highlight the versatility and importance of Hex Flange Bolts in diverse industries, where precision fastening and reliability are essential.

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Hex Flange Bolts - FAQs

Hex Flange Bolts, also known as flanged hex head bolts, feature an integrated flange beneath the head. This flange distributes loads over a larger surface area, reducing the risk of loosening, making them ideal for applications with vibrations or dynamic loads.

Yes, many Hex Flange Bolts are designed with corrosion-resistant materials or coatings, making them suitable for outdoor and marine applications, where exposure to moisture and corrosive elements is a concern.

Hex Flange Bolts are manufactured to adhere to industry standards such as DIN (Deutsches Institut für Normung) and ASTM (American Society for Testing and Materials), ensuring consistent quality and compatibility.

Yes, depending on the material used, Hex Flange Bolts can withstand high temperatures. Alloy steel and stainless steel variants are suitable for high-temperature applications.

The integrated flange provides a larger bearing surface, reducing the risk of slippage or loosening. It also helps protect the fastened area from debris and contaminants, ensuring long-lasting and secure connections.

You can conveniently purchase our high-quality Hex Flange Bolts by contacting us at sales@gicfasteners.com. We also offer customization options, allowing you to specify sizes and materials to meet your project requirements.

Absolutely, Hex Flange Bolts are versatile and find applications in heavy-duty industrial machinery as well as DIY projects, offering secure and reliable fastening solutions in both scenarios.

No, Hex Flange Bolts can be installed using standard wrenches or sockets, making them easy to work with and suitable for a wide range of applications without the need for specialized tools.

Hex Flange Bolts can be reused if they remain in good condition after removal. It's essential to inspect the threads and overall integrity before reusing them to ensure secure fastening.

Hex Flange Bolts - Export Destination

Hex Flange Bolts Suppliers in North America

Antigua and Barbuda, Bahamas, Barbados, Belize, Canada, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, United States.

Hex Flange Bolts Suppliers in South America

Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Falkland Islands, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela.

Hex Flange Bolts Suppliers in Europe

Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic (Czechia), Denmark, Estonia, Finland, France, Germany, Greece, Holy See, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom.

Hex Flange Bolts Suppliers in Asia

Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, Cyprus, Georgia, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Laos, Lebanon, Malaysia, Maldives, Mongolia, Myanmar, Nepal, Oman, Pakistan, Palestine, Philippines, Qatar, Saudi Arabia, Singapore, South Korea, Sri Lanka, State of Palestine, Syria, Taiwan, Tajikistan, Thailand, Timor-Leste, Turkey, Turkmenistan, United Arab Emirates, Uzbekistan, Vietnam, Yemen.

Hex Flange Bolts Suppliers in Australia

Australia, Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, New Zealand, Palau, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuatu.