Buy Hex Bolts Online at South Coast Fasteners
Buy Hex Bolts online at South Coast Fasteners and get fast shipping. These fasteners provide reliable mechanical connections, ensuring secure assembly in various applications. Industries such as Automotive, Construction, Marine & Offshore, and Manufacturing rely on their strength and precision. Properly installed hex bolts enhance operational efficiency by maintaining alignment under torque and vibration, ultimately streamlining workflows.
Consistent Supply of Hex Bolts with Competitive Pricing and Fast Shipping
Hex Bolts are used in applications where secure and consistent fastening is required. Pairing with Nuts and Washers helps complete the assembly by improving load distribution, maintaining thread engagement, and supporting long-term performance under demanding conditions. South Coast Fasteners provides stocked inventory with competitive pricing and fast shipping, and contact us if you need help selecting the right products or placing your order.
Types of Hex Bolts
A307 Grade A Hex Bolt, Plain
A307 Grade A hex bolts are made from low carbon steel for general-purpose construction and assembly applications. The plain finish provides a clean, uncoated surface ideal for indoor or protected environments. Commonly used in structural framing, machinery, and non-critical fastening jobs.
A307 Grade A Hex Bolt, Zinc CR+3
These A307 Grade A bolts feature a CR+3 zinc coating that offers improved corrosion Resistant with a smooth, bright finish. They deliver reliable performance in moderate environmental conditions. Ideal for fabrication, light construction, and maintenance work.
A307 Grade A Hex Bolt, Zinc Yellow CR+6
Finished with a yellow CR+6 zinc plating, these bolts combine corrosion Resistant with high visibility and easy identification. The coating improves protection against rust and wear in industrial or outdoor use. Often used in mechanical, construction, and equipment repair applications.
A307 Grade A Hex Bolt, HDG
Hot-dip galvanized A307 Grade A bolts provide maximum corrosion protection with a thick, durable zinc coating. Designed for outdoor and structural applications, they resist rust and weathering in harsh environments. Commonly used in infrastructure, marine, and agricultural projects.
Types of Heavy Hex Bolts
Grade B7 Heavy Hex Head Cap Screw, A193/SA 193, Plain
Manufactured to ASTM A193 Grade B7 Standards, these heavy hex cap screws are made from heat-treated alloy steel for high tensile strength. The plain finish offers a clean surface suitable for controlled environments or post-coating applications. Ideal for pressure vessels, flanges, and high-temperature service.
A307 Grade B Heavy Hex Bolt, Plain
A307 Grade B heavy hex bolts are built for greater tensile strength than Grade A, suitable for higher load-bearing applications. The plain finish provides a smooth surface ready for custom coatings or indoor assembly. Common in construction, heavy machinery, and industrial maintenance.
A307 Grade B Heavy Hex Bolt, Zinc CR+3
These heavy hex bolts feature a CR+3 zinc finish for added corrosion Resistant and smooth threading. Engineered for strength and durability, they meet A307 Grade B requirements. Commonly used in steel fabrication, equipment assembly, and field installations.
A307 Grade B Heavy Hex Bolt, HDG
Hot-dip galvanized A307 Grade B bolts provide rugged corrosion protection and high performance in outdoor or marine settings. The heavy hex head design allows for greater wrenching strength and load distribution. Ideal for bridges, poles, and structural assemblies exposed to the elements.
USA A307 Grade B Heavy Hex Cap Screws, Plain
Proudly made in the USA, these A307 Grade B heavy hex cap screws provide consistent strength and precision for industrial use. The plain finish offers versatility for finishing or coating as needed. Used in infrastructure, manufacturing, and equipment assembly.
USA Grade 5 Heavy Hex Bolt, Plain
USA-made Grade 5 heavy hex bolts are heat-treated for higher tensile strength and reliability under stress. The plain finish provides a clean surface ready for coating or controlled installation environments. Ideal for machinery, construction, and automotive applications.
USA ASTM A354 Grade BD Heavy Hex Bolt, Plain
Constructed to ASTM A354 Grade BD Standards, these heavy hex bolts are alloy steel fasteners offering exceptional strength and durability. The plain finish allows for custom plating or coating to match project requirements. Commonly used in heavy equipment, bridges, and critical structural connections.
USA ASTM A354 Grade BD Hex Bolt, Plain
These U.S.-manufactured ASTM A354 Grade BD hex bolts deliver high strength and superior mechanical performance. Made from quenched and tempered alloy steel, they withstand extreme loads and stress. Perfect for demanding structural, industrial, and energy-sector applications.
Hex Bolts - Material Options
South Coast Fasteners stocks hex bolts in trusted material grades that provide strength, durability, and reliability across both Standard and high-pressure builds.
A307 Grade A
Made from low carbon steel, these general-purpose bolts are ideal for non-critical applications like bracing, light framing, or metal-to-wood connections. A solid pick for everyday builds that dont require high tensile strength but still need dependable holding power.
A307 Grade B
A step up from Grade A, this version offers higher tensile strength and is typically used for cast iron flanges, pressure piping, and other plumbing or utility infrastructure jobs. Stronger than basic construction bolts, but still easy to work with on-site.
Grade A
A common option for carbon steel fasteners used in light structural, agricultural, or general industrial use. These bolts are cost-effective and versatile, working well for medium-duty installations where reliability and compatibility matter most.
A193 B7 Steel
A high-performance alloy steel thats been heat-treated to handle high pressure, extreme temperatures, and corrosive environments. Common in refineries, chemical plants, and power generation, A193 B7 bolts are engineered for critical applications that demand serious strength and endurance.
Hex Bolts - Available Finishes
South Coast Fasteners offers multiple finish options to meet jobsite conditions, corrosion Resistant needs, and code requirements.
Hot Dip Galvanized
Provides excellent protection against rust and corrosion, especially in outdoor or marine environments. This thick zinc coating bonds tightly to the bolt, making it ideal for structural steel, utility work, and anything exposed to the elements.
Plain
Raw, untreated steel thats best suited for indoor, dry environments or when additional coatings or treatments will be applied on-site. Simple, economical, and ready for fabrication or finishing.
Yellow Zinc Cr+6
Adds a golden chromate layer over zinc for enhanced corrosion Resistant and easy visual identification. Common in mechanical, automotive, or electrical installs where appearance and performance both matter.
Zinc Cr+3
A clean, bright finish that offers reliable corrosion protection and a smooth surface. This trivalent zinc coating is widely used across general hardware, industrial machinery, and light fabrication work.
Why Choose South Coast Fasteners?
Professionals who need fasteners, PPE, hand tools, cutting tools, abrasives, and industrial supplies fast and at competitive pricing choose South Coast Fasteners for the inventory depth and team knowledge that back every order. We eliminate the guesswork from sourcing and focus on getting the right product to you without delay. With stocked inventory and fast shipping, we are the supply partner your operation depends on.
Shop Hex Bolts Online at South Coast Fasteners
South Coast Fasteners stocks a wide range of materials, grades, and finishes suited for demanding applications. Among the most versatile fasteners in any facility, these bolts are available in a broad selection of diameters, lengths, and thread pitches to support structural, mechanical, and general assembly applications. With competitive pricing and fast shipping, we are your reliable source for hex bolt solutions.