Countersunk Bolts

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Manufacturer, Exporter & Supplier of Countersunk Bolts

Countersunk Bolts

Countersunk bolts, also known as flathead bolts, are a type of fastener widely used in applications where a flush and aesthetically pleasing appearance is desired. Their unique design features a flat head with an angled countersink that allows the bolt to sit flush with the surface it is installed into. This not only provides a smooth finish but also reduces the risk of snagging or catching on the bolt head.

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Stainless Steel Countersunk Bolts Supplier, SS Slotted Countersunk Bolts Stockist, Duplex Steel Torx Countersunk Bolts Exporter, Super Duplex Countersunk Bolts Dealer, Nickel Allen Countersunk BoltsTrader, Inconel Countersunk Bolts, Incoloy Countersunk Bolts, Monel Standard Countersunk Bolts, Hastelloy Countersunk Bolts, Titanium Phillips Countersunk Bolts Supplier in Mumbai, India.

GIC Fasteners is your reliable source for high-quality countersunk bolts. We offer a comprehensive range of countersunk bolts that are meticulously manufactured to meet and exceed industry standards. With their exceptional durability, strength, and precise dimensions, our countersunk bolts are suitable for a wide array of applications.

At GIC Fasteners, we understand the significance of providing our customers with dependable and efficient fastening solutions. Our countersunk bolts are crafted using top-notch materials, including stainless steel, nickel alloys, copper & copper alloys, carbon steel, alloy steel, and more. This ensures optimal strength and performance in demanding environments. Additionally, we offer various finishes such as zinc plating, black oxide, or passivation, enhancing the corrosion resistance and aesthetic appeal of our countersunk bolts.

With our diverse inventory, you can easily find the perfect countersunk bolts to meet your specific requirements. We offer different types of countersunk bolts, including flat head countersunk bolts, slotted countersunk bolts, oval countersunk bolts, hexagon socket countersunk bolts etc. Whether you need them for machinery, automotive applications, electronics, or construction projects, we have the ideal countersunk bolts to suit your needs.

Quality and customer satisfaction are our utmost priorities at GIC Fasteners. Our countersunk bolts undergo stringent quality control measures to ensure they consistently deliver superior performance and reliability. We are dedicated to surpassing customer expectations by providing products that offer long-lasting and secure fastening solutions.

Choose GIC Fasteners as your preferred supplier of countersunk bolts and benefit from the reliability, durability, and exceptional performance of our products. Contact us today to discuss your requirements and explore our extensive range of high-quality countersunk bolts.

Tantalum Chemical Countersunk Bolts, Cupro Nickel Countersunk Bolts, Copper Countersunk Bolts, Brass Hex Socket Countersunk Bolts, Aluminium Countersunk Bolts, Carbon Steel Countersunk Bolts, Alloy Steel Countersunk Bolts, Silicon Bronze Countersunk Bolts Stockist, Phosphor Bronze Countersunk Bolts Wholesaler, Zirconium Countersunk Bolts Stockist, High Tensile Countersunk Bolts, Nimonic Countersunk Bolts, Nitronic Countersunk Bolts, Beryllium Copper Countersunk Bolts Stockist.

Countersunk Bolts Specifications

Description Value
ASME, SAE, BS, DIN, ISO, IS, UNI, DIN-EN, CSN, EU, PN and all International Standards
Imperial Size
3/8" to 8" | Custom SIzes
Metric Size
M2 to M100 | Custom Sizes
Hot & Cold Forged Countersunk Bolts
BSW, METRIC, UNC, BSF, UNF or as per need
Sub Types
Fully Threaded Countersunk Bolts, Partial Threaded Countersunk Bolts, Metric Countersunk Bolts, Imperial Countersunk Bolts
PTFE Coated Countersunk Bolts, Hot Dip galvanized Countersunk Bolts, Yellow Zinc Plated Countersunk Bolts, Blue Zinc Plated Countersunk Bolts, Black Zinc Plated Countersunk Bolts, Zinc Cobalt Plated Countersunk Bolts, Aluminium Zinc Flake Coated Countersunk Bolts, Black Phosphate Countersunk Bolts, Zinc Plated Countersunk Bolts, Nickel Plated Countersunk Bolts

Grades of Stainless Steel Countersunk Bolts

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

Grades of Duplex & Super Duplex Steel Countersunk Bolts

  • UNS S32205 Countersunk Bolts
  • UNS S31803 Countersunk Bolts
  • UNS S32750 Countersunk Bolts
  • UNS S32760 Countersunk Bolts

Grades of Nickel Alloys Countersunk Bolts

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

Grades of Titanium Countersunk Bolts

  • Titanium Grade 2 Countersunk Bolts
  • Titanium Grade 5 Countersunk Bolts

Grades of Tantalum Countersunk Bolts

  • UNS R05200 Countersunk Bolts
  • UNS R05252 Countersunk Bolts
  • UNS R05255 Countersunk Bolts
  • UNS R05400 Countersunk Bolts

Grades of Copper Countersunk Bolts

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

Grades of Cupro Nickel Countersunk Bolts

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

Grades of Brass Countersunk Bolts

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

Grades of Aluminium Countersunk Bolts

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

Grades of Carbon Steel Countersunk Bolts

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

Grades of Alloy Steel Countersunk Bolts

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

Grades of Silicon Bronze Countersunk Bolts

  • UNS C65100 Countersunk Bolts
  • UNS C65500 Countersunk Bolts
  • UNS C66100 Countersunk Bolts

Grades of Phosphor Bronze Countersunk Bolts

  • UNS C51000 Countersunk Bolts
  • UNS C51900 Countersunk Bolts
  • UNS C52100 Countersunk Bolts
  • UNS C54400 Countersunk Bolts

Grades of Zirconium Countersunk Bolts

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

Grades of Beryllium Copper Countersunk Bolts

  • UNS C17200 Countersunk Bolts
  • UNS C17300 Countersunk Bolts
  • UNS C17500 Countersunk Bolts
  • UNS C17510 Countersunk Bolts

Grades of High Tensile Countersunk Bolts

  • Grade 8.8 Countersunk Bolts
  • Grade 10.9 Countersunk Bolts
  • Grade 12.9 Countersunk Bolts

Grades of Nimonic Countersunk Bolts

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

Grades of Nitronic Countersunk Bolts

  • Nitronic 50 Countersunk Bolts
  • Nitronic 60 Countersunk Bolts

Characteristics of Countersunk Bolts

Flat Head Design: Countersunk bolts feature a flat top surface and a tapered, conical head. This design allows the bolt head to sit flush with the surface of the material when installed, resulting in a smooth and visually appealing finish. The flat head design is especially useful when aesthetics and a streamlined appearance are desired.

Tapered Head Angle: The head of a countersunk bolt is typically designed with a 90-degree angle. This taper allows the bolt to fit into a corresponding countersink hole, creating a recessed surface when tightened. The tapered head angle ensures that the bolt remains flush with the material, reducing the risk of snagging or protrusion.

Versatile Sizes and Materials: Countersunk bolts are available in a wide range of sizes to accommodate various applications. Whether you need a small bolt for delicate projects or a large bolt for heavy-duty applications, there is a suitable size available. Additionally, countersunk bolts are manufactured using different materials such as stainless steel, carbon steel, alloy steel, and more. This allows for customization based on specific strength, corrosion resistance, or environmental requirements.

Enhanced Appearance and Safety: The countersunk design of these bolts not only improves the appearance of the finished product but also offers safety benefits. The flush installation reduces the risk of accidental contact or snagging, minimizing potential hazards in high-traffic areas or applications where safety is a priority.

Wide Range of Applications: Countersunk bolts find applications in various industries and projects. They are commonly used in woodworking, cabinetry, furniture assembly, interior and exterior construction, automotive manufacturing, and marine applications. Their versatility makes them suitable for both decorative and structural purposes.

Compatibility with Countersink Tools: Countersunk bolts are designed to be used with corresponding countersink tools. These tools create the precise angled holes necessary to accommodate the taper of the bolt’s head. This compatibility ensures a proper fit, allowing for secure and reliable installations.

By understanding and utilizing the characteristics of countersunk bolts, you can make informed decisions when choosing fasteners for your projects. GIC Fasteners offers a range of high-quality countersunk bolts that meet industry standards and provide reliable performance.

Types of Countersunk Bolts

Flat Head Countersunk Bolts: Flat head countersunk bolts have a flat top surface and a conical head with a 90-degree taper. These bolts are commonly used in applications where a flush and aesthetically pleasing finish is desired. They are suitable for use in woodworking, furniture assembly, and general construction projects.

Oval Countersunk Bolts: Oval countersunk bolts have an oval-shaped head with a 82-degree taper. The oval shape provides a larger surface area for load distribution and enhanced resistance against rotation. These bolts are often used in applications where a more decorative and visually appealing appearance is required, such as in architectural and furniture applications.

Hexagon Socket Countersunk Bolts: Hexagon socket countersunk bolts, also known as Allen countersunk bolts, feature a hexagonal recess in the head. They require an Allen wrench or hex key for installation and removal. These bolts offer a secure and tamper-resistant fastening solution. They are commonly used in machinery, automotive, and equipment assembly applications.

Phillips Countersunk Bolts: Phillips countersunk bolts have a cross-shaped recess in the head that requires a Phillips screwdriver for installation. They are widely used in various applications and industries due to the availability of compatible tools and their ease of use.

Torx Countersunk Bolts: Torx countersunk bolts have a six-pointed star-shaped recess in the head. The unique Torx design provides increased torque transmission and reduced risk of cam-out during installation. These bolts are commonly used in electronics, automotive, and aerospace industries.

Socket Head Cap Countersunk Bolts: Socket head cap countersunk bolts have a cylindrical head with a countersunk socket. They are typically used in applications where a high-strength fastening solution is required. The countersunk socket allows for a flush installation while providing a secure and reliable connection.

By understanding the different types of countersunk bolts available, you can choose the most appropriate fastening solution for your specific needs. GIC Fasteners offers a wide range of countersunk bolts, ensuring high-quality and reliable performance across various industries and applications.

Applications of Countersunk Bolts

Woodworking: Countersunk bolts are frequently used in woodworking projects, such as furniture assembly, cabinetry, and carpentry. The flush installation of the bolt head allows for a seamless finish and reduces the risk of splinters or snagging.

Metal Fabrication: Countersunk bolts are also used in metal fabrication applications, such as securing metal sheets, brackets, and joints. The countersunk design ensures a smooth surface without any protrusions, which is particularly useful in applications where a flat and even surface is required.

Automotive Industry: Countersunk bolts are found in various automotive applications, including interior trim panels, bodywork, and engine components. They provide a streamlined appearance while maintaining structural integrity.

Aerospace Industry: In the aerospace industry, countersunk bolts are extensively used for securing aircraft components. They are employed in critical areas where flush surfaces are necessary to reduce drag and maintain aerodynamic efficiency.

Marine Applications: Countersunk bolts are resistant to corrosion, making them suitable for marine environments. They are used in boat building, decking, and other applications where exposed bolt heads could cause injury or damage.

Electronics and Electrical Equipment: Countersunk bolts are used in the assembly of electronic devices and electrical equipment. They provide a secure fastening method while minimizing the risk of interference or damage to sensitive components.

Construction and Architecture: Countersunk bolts are employed in construction and architectural projects for attaching fixtures, signage, and decorative elements. Their flush design contributes to a clean and professional appearance.

Furniture and Interior Design: Countersunk bolts are commonly used in the assembly of furniture, including cabinets, tables, and chairs. They allow for a clean and sleek finish while ensuring structural stability.

Safety and Playground Equipment: Countersunk bolts are utilized in the assembly of safety equipment, such as handrails, guardrails, and playground structures. The flush installation reduces the risk of injury caused by protruding bolt heads.

Overall, countersunk bolts are versatile fasteners that find applications in various industries where a flush, streamlined appearance and secure fastening are required.


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Countersunk Bolts - FAQs

Countersunk bolts, also known as flathead bolts, are fasteners with a flat head that is designed to sit flush with the surface it is installed into.

Countersunk bolts offer several benefits, including a flush appearance, reduced risk of snagging or catching, improved safety, and a clean, finished look.

Countersunk bolts find applications in various industries such as woodworking, metal fabrication, automotive, aerospace, marine, construction, and electronics.

Countersunk bolts are available in a range of materials including stainless steel, duplex steel, high tensile, carbon steel, alloy steel, and brass, among others.

Countersunk bolts come in different drive types such as slotted, Phillips, hex, and Torx. They also vary in terms of diameter, length, and thread pitch.

Factors to consider when selecting countersunk bolts include the material and thickness of the surface, required load-bearing capacity, environmental conditions, and desired aesthetics.

Yes, countersunk bolts can be customized to meet specific requirements. Customization options may include size, material, head style, and surface finish.

To install countersunk bolts, you will need to drill a countersink hole into the surface, align the bolt with the hole, and tighten it using the appropriate tools and torque specifications.

Yes, countersunk bolts can be used in outdoor applications. However, it is essential to choose the appropriate material that offers corrosion resistance, such as stainless steel or galvanized bolts.

Yes, countersunk bolts can be painted or coated to match the surrounding surface or for added protection against corrosion. However, care should be taken to ensure that the coating does not interfere with the flush installation or the functionality of the bolt.

Yes, countersunk bolts can be used in applications with high vibration. However, it is recommended to use additional measures such as lock washers, thread-locking adhesives, or double-nut locking methods to ensure the bolt remains securely fastened.

Yes, there are recommended torque specifications for tightening countersunk bolts. It is important to follow the manufacturer's guidelines or industry standards to ensure proper installation and avoid over or under tightening, which can affect the bolt's performance.

Countersunk Bolts - Export Destination

Countersunk 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.

Countersunk Bolts Suppliers in South America

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

Countersunk 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.

Countersunk 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.

Countersunk Bolts Suppliers in Australia

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