Metric Bolts

Manufacturer, Exporter & Supplier of Metric Bolts

Metric Bolts

Welcome to GIC Fasteners, your trusted partner for premium Metric Bolts engineered to the highest industry standards. At GIC Fasteners, we specialize in manufacturing top-quality bolts that adhere to international benchmarks such as DIN, ASTM, ISO, and BS standards. Our extensive range of Metric Bolts is crafted with precision and reliability in mind, ensuring they meet the diverse needs of industries worldwide. Whether you require standard DIN Metric Bolts or specialized options meeting ASTM or ISO specifications, we pride ourselves on delivering superior products. With GIC Fasteners, you can count on unmatched quality, durability, and adherence to equivalent international standards, making us the preferred choice for your fastening solutions.

Metric bolts are crucial components in various industries, offering precise and reliable fastening solutions for a wide range of applications. At GIC Fasteners, we specialize in providing high-quality metric bolts that meet stringent international standards. Our metric bolts are available in a variety of sizes, materials, and grades to suit diverse needs, whether for automotive, construction, or industrial purposes. Crafted with precision and expertise, our bolts ensure secure and durable fastening, contributing to the safety and efficiency of your projects.

For all your metric bolt requirements, trust GIC Fasteners to deliver superior products backed by industry-leading expertise and customer service. Contact our dedicated sales team at sales@gicfasteners.com to discuss your specific needs and let us help you find the perfect metric bolts to meet your exact specifications. Experience the difference that GIC Fasteners can make in optimizing your projects with reliable and high-quality metric bolts.

Metric 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: : METRIC or as required
Finish : Plain, black, zinc plated (Cr,3+), zinc plated(Cr,6+), hot dipped galvanized, dacromet, nickel plated, cadmium plated, etc.

Hole Sizes for Metric Bolts

Size Clearance Hole mm Thread Pitch (std) Tapping Drill (std Pitch) Thread Pitch (fine) Tapping Drill (fine pitch)
M5 5.5 0.8 4.2 mm
M6 6.5 1.0 5.0 mm 0.75 5.25 mm
M8 9 1.25 6.75 mm 1.0 7 mm
M10 11 1.5 8.5 mm 1.0 or 1.25 9.0 or 8.75 mm
M12 14 1.75 10.25 mm 1.5 10.5 mm
M16 18 2.0 14 mm 1.5 16.5 mm
M20 22 2.5 17.5 mm 1.5 20.5 mm
M24 26 3.0 21 mm 2.0 22 mm
M30 32 3.5 26.5 mm 2.0 28 mm

Basic Metric Thread Chart (M1 – M100)

Diameter Coarse Pitch Fine Thread Pitches
M1 0.25 0.2
M1.2 0.25 0.2
M1.4 0.3 0.2
M1.6 0.35 0.2
M1.7 0.35
M1.8 0.35 0.2
M2 0.4 0.25
M2.2 0.45 0.25
M2.3 0.4
M2.5 0.45 0.35
M2.6 0.45
M3 0.5 0.35
M3.5 0.6 0.35
M4 0.7 0.5
M5 0.8 0.5
M6 1 0.75
M7 1 0.75
M8 1.25 1 0.75
M9 1.25 1 0.75
M10 1.5 1.25 1 0.75
M11 1.5 1 0.75
M12 1.75 1.5 1.25 1
M14 2 1.5 1.25 1
M16 2 1.5 1
M18 2.5 2 1.5 1
M20 2.5 2 1.5 1
M22 2.5 2 1.5 1
M24 3 2 1.5 1
M27 3 2 1.5 1
M30 3.5 3 2 1.5
M33 3.5 3 2 1.5
M36 4 3 2 1.5
M39 4 3 2 1.5
M42 4.5 4 3 2
M45 4.5 4 3 2
M48 5 4 3 2
M52 5 4 3 2
M56 5.5 4 3 2
M60 5.5 4 3 2
M64 6 4 3 2
M68 6 4 3 2
M72 6 4 3 2
M80 6 4 3 2
M90 6 4 3 2
M100 6 4 3 2

Metric Hex Bolts Dimensions

Metric Hex Bolts Dimensions

**All measurements in millimeters**

NOMINAL SIZE (D) BODY DIAMETER HEAD THICKNESS ACROSS THE FLATS ACROSS CORNERS
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
m10 10.00 9.78 6.63 6.17 17.00 15.73 18.48 17.77
m12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
m14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
m16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
m20 20.00 19.67 12.88 12.12 30.00 29.16 34.64 32.95
m24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
m30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
m36 36.00 35.61 23.38 21.63 55.00 53.80 63.51 60.79
m42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
m48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
m56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
m64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
m72 72.00 71.26 46.45 43.55 105.00 101.40 121.24 115.60
m80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
m90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
m100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60

Metric Bolt Torque Chart

Size (mm) Recommended Maximum Tightening Torque (Nm)
Grade 8.8 Grade 9.8 Grade 10.9 Grade 12.9
M5 7.0 7.8 10.0 11.7
M6 11.8 13.3 17.0 19.9
M8 28.8 32.3 41.3 48.3
M10 57.3 64.1 81.8 95.7
M12 99.8 112 143 167
M16 248 277 354 413
M20 500 690 809
M24 865 1195 1395
M30 1719 2377 2774

Grades of Stainless Steel Metric Bolts

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

Grades of Duplex & Super Duplex Steel Metric Bolts

  • UNS S32205 Metric Bolts
  • UNS S31803 Metric Bolts
  • UNS S32750 Metric Bolts
  • UNS S32760 Metric Bolts

Grades of Titanium Metric Bolts

  • Titanium Grade 2 Metric Bolts
  • Titanium Grade 5 Metric Bolts

Grades of Tantalum Metric Bolts

  • UNS R05200 Metric Bolts
  • UNS R05252 Metric Bolts
  • UNS R05255 Metric Bolts
  • UNS R05400 Metric Bolts

Grades of Copper Metric Bolts

  • UNS C11000 Metric Bolts
  • UNS C10100 Metric Bolts
  • UNS C10200 Metric Bolts
  • UNS C12000 Metric Bolts
  • UNS C12200 Metric Bolts

Grades of Cupro Nickel Metric Bolts

  • CuNi 90/10 Metric Bolts
  • CuNi 70/30 Metric Bolts

Grades of Brass Carriage Metric Bolts

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

Grades of Aluminium Metric Bolts

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

Grades of Carbon Steel Metric Bolts

  • Carbon Steel AISI 1018 Metric Bolts
  • Carbon Steel AISI 1020 Metric Bolts
  • Carbon Steel AISI 1040 Metric Bolts
  • Carbon Steel AISI 1045 Metric Bolts

Grades of Alloy Steel Metric Bolts

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

Grades of Silicon Bronze Metric Bolts

  • UNS C65100 Metric Bolts
  • UNS C65500 Metric Bolts
  • UNS C66100 Metric Bolts

Grades of Phosphor Bronze Metric Bolts

  • UNS C51000 Metric Bolts
  • UNS C51900 Metric Bolts
  • UNS C52100 Metric Bolts
  • UNS C54400 Metric Bolts

Grades of Zirconium Metric Bolts

  • UNS R60700 Metric Bolts
  • UNS R60702 Metric Bolts
  • UNS R60704 Metric Bolts
  • UNS R60705 Metric Bolts
  • UNS R60706 Metric Bolts

Grades of Beryllium Copper Metric Bolts

  • UNS C17200 Metric Bolts
  • UNS C17300 Metric Bolts
  • UNS C17500 Metric Bolts
  • UNS C17510 Metric Bolts

Grades of High Tensile Metric Bolts

  • Grade 8.8 Metric Bolts
  • Grade 10.9 Metric Bolts
  • Grade 12.9 Metric Bolts

Grades of Nimonic Metric Bolts

  • Nimonic Alloy 75 Metric Bolts
  • Nimonic Alloy 80a Metric Bolts
  • Nimonic Alloy 90 Metric Bolts
  • Nimonic Alloy 105 Metric Bolts
  • Nimonic Alloy 115 Metric Bolts
  • Nimonic Alloy 236 Metric Bolts

Grades of Nitronic Metric Bolts

  • Nitronic 50 Metric Bolts
  • Nitronic 60 Metric Bolts

Characteristics of Metric Bolts

  • Standardized Sizing: Metric bolts are manufactured in standardized metric sizes, making it easier to select the appropriate bolt for specific applications.
  • Thread Pitch: Metric bolts have a consistent thread pitch, ensuring compatibility with corresponding nuts and threaded holes.
  • Metric Grading System: Metric bolts are graded based on their mechanical properties, such as tensile strength and yield strength, allowing users to choose bolts suitable for their load requirements.
  • Head Styles: Metric bolts come in various head styles, including hex, flange, and socket head, offering flexibility in fastening options for different applications.
  • Material Variety: Metric bolts are available in a wide range of materials, including steel, stainless steel, and brass, allowing users to select bolts with the appropriate corrosion resistance and strength for their needs.
  • Usage Versatility: Metric bolts find applications in diverse industries, including construction, automotive, machinery, and electronics, due to their versatile nature and standardized sizing.
  • DIN and ISO Standards: Metric bolts adhere to international standards such as DIN (German Institute for Standardization) and ISO (International Organization for Standardization), ensuring uniformity and compatibility in global markets.
  • Corrosion Resistance: Many metric bolts are coated with materials like zinc or other corrosion-resistant coatings, enhancing their durability and making them suitable for various environmental conditions.
  • Reliable Fastening: Metric bolts, when paired with compatible nuts and washers, offer reliable and secure fastening solutions, crucial for the stability and safety of assemblies and structures.

Applications of Metric Bolts

IndustryApplication
ConstructionMetric bolts are used in construction projects for securing structural components, beams, and frameworks, ensuring stability and safety.
AutomotiveIn the automotive industry, metric bolts are vital for assembling engines, chassis, and various components, providing secure fastening in vehicles.
MachineryMetric bolts play a crucial role in machinery assembly, securing moving parts, gears, and equipment, ensuring smooth operation and reliability.
ElectronicsIn electronics manufacturing, metric bolts are used for securing circuit boards, housings, and components, providing stability and durability to electronic devices.
AerospaceIn aerospace applications, metric bolts are employed for assembling aircraft components, ensuring structural integrity and safety in aviation.
MarineMetric bolts are essential in marine engineering, used for securing boat parts, engine components, and ship structures, offering corrosion-resistant fastening solutions.
RailroadMetric bolts are used in railroad tracks and infrastructure, providing stable connections and ensuring the safety and reliability of railway systems.
EnergyIn the energy sector, metric bolts secure components in power plants, wind turbines, and solar panel installations, offering reliable fastening solutions in diverse energy applications.
ManufacturingMetric bolts are widely used in manufacturing processes, securing equipment, conveyors, and production lines, ensuring efficient and safe operations.
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Metric Bolts - FAQs

Metric bolts are fasteners used in various industries, featuring standardized metric sizing and threading. They come in different materials and grades, catering to diverse applications that require precise and reliable fastening solutions.

Selecting the right Metric Bolt involves considering factors such as material, size, grade, and the specific application requirements. Consulting our experts at GIC Fasteners can help you identify the ideal bolt for your project.

The primary difference lies in sizing metrics. Metric bolts use the metric system, while standard bolts use imperial measurements. Metric bolts are widely used globally due to their standardized sizing, making them compatible with various international applications.

Yes, Metric Bolts are available in corrosion-resistant materials such as stainless steel, making them suitable for applications in corrosive environments, including marine and chemical industries.

Absolutely. Metric Bolts adhere to international standards such as DIN (German Institute for Standardization) and ISO (International Organization for Standardization), ensuring uniformity and compatibility across industries and applications.

Yes, Metric Bolts come in various grades, including high-strength options, making them ideal for heavy-duty applications in construction, machinery, and automotive industries, providing reliable and sturdy fastening.

Certainly. GIC Fasteners specializes in providing customized Metric Bolts tailored to your specific requirements. Our expert team can assist you in designing bolts that match your unique project needs.

The lead time for Metric Bolts orders can vary based on the quantity, specifications, and availability. Reach out to our sales team at sales@gicfasteners.com for accurate lead time estimates based on your specific order details.

GIC Fasteners takes pride in offering Metric Bolts of superior quality, precision, and durability. Our commitment to excellence, adherence to international standards, and personalized customer service make us the preferred choice for reliable and high-performance Metric Bolts.

Metric Bolts - Export Destination

Metric 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.

Metric Bolts Suppliers in South America

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

Metric 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.

Metric 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.

Metric Bolts Suppliers in Australia

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