Buy Grade 5 Hex Cap Screws Online at South Coast Fasteners
Buy Grade 5 hex cap screws online from South Coast Fasteners, Inc., where each order moves out fast to keep your mechanical projects and equipment builds on pace. These screws are manufactured from medium carbon steel and heat treated for added toughness, providing the strength and reliability needed for applications that demand higher load capacity than standard grades. The hex head design allows smooth torque transfer using standard tools, keeping assemblies consistent and secure.
Grade 5 hex cap screws are relied on across automotive manufacturing, agricultural equipment, heavy machinery, and industrial fabrication industries where fasteners must hold up under vibration and stress. Every size and material option is stocked and ready to ship for quick online ordering, helping you keep production steady and projects running efficiently.
Strength Meets Savings When You Choose Industrial Fasteners from South Coast Fasteners
If you're looking for a trusted supplier of wholesale industrial fasteners, South Coast Fasteners is your solution. Contact our Anaheim, CA office to learn more about our product options and how we can support your project needs. For helpful service, fast order turnaround, and high-quality fasteners in bulk or small batches, choose South Coast Fasteners.
Types of Grade 5 Hex Cap Screws
Grade 5 HHCS, Plain
Grade 5 hex head cap screws are made from medium carbon steel and heat-treated for greater strength and durability than Grade 2. The plain finish offers a clean surface ideal for indoor applications or where coatings are not required. Commonly used in machinery, automotive repair, and general assembly work.
Grade 5 HHCS, Zinc CR+3
This screw features a CR+3 zinc coating that enhances corrosion resistance while maintaining a bright, uniform finish. Designed for moderate to high-strength fastening, it performs well in both indoor and outdoor environments. Ideal for automotive, agricultural, and heavy equipment applications.
Grade 5 HHCS, Plain (Import Excl TW)
Manufactured to Grade 5 specifications and imported from select global sources, this plain-finish screw provides consistent quality and tensile strength. The smooth, uncoated surface makes it suitable for general mechanical and non-corrosive uses. Perfect for cost-effective fastening in assembly and maintenance work.
Grade 5 HHCS, Zinc CR+3 (Import Excl TW)
This imported Grade 5 screw is zinc CR+3 plated for enhanced corrosion resistance and uniform appearance. It offers the same mechanical strength and reliability as domestic options at competitive pricing. Ideal for international manufacturing, assembly, and maintenance operations.
Grade 5 HHCS, Zinc Yellow CR+6
Finished in yellow CR+6 zinc, this screw provides superior rust protection and a distinctive appearance for easy identification. Its durable coating enhances longevity in exposed or humid conditions. Widely used in construction, machinery, and agricultural equipment requiring reliable fastening under load.
Grade 5 HHCS, Zinc JS500
Featuring a JS500 zinc coating, this fastener delivers exceptional corrosion protection—up to 500 hours in salt spray testing. The coating provides a dull silver-gray finish with excellent adhesion and durability. Perfect for outdoor, marine, and industrial applications demanding long-lasting performance.
USA Grade 5 HHCS, Plain
Proudly made in the USA, this Grade 5 plain-finish hex cap screw ensures consistent quality and dependable tensile strength. It’s designed for general-purpose use where moderate strength is required without corrosion exposure. Common in maintenance, machinery, and structural assembly work.
USA Grade 5 HHCS, Zinc CR+3
This U.S.-manufactured Grade 5 screw features a CR+3 zinc coating that combines durability with enhanced corrosion resistance. It provides strong, dependable fastening in a wide range of mechanical and structural applications. Ideal for OEM manufacturing, automotive, and heavy equipment industries.
Grade 5 Hex Cap Screws - Material Options
South Coast Fasteners stocks Grade 5 hex cap screws in medium carbon steel that has been heat treated for added strength and durability. These screws are engineered for structural applications that require more holding power than Grade 2 but don’t need the extreme tensile strength of Grade 8. Commonly used in automotive assemblies, agricultural machinery, and construction projects, Grade 5 offers a dependable balance between performance and cost.
Medium Carbon Steel
This material provides enhanced strength and reliability through controlled heat treatment processes. It’s an ideal choice for mid-strength mechanical and structural fastening applications where consistent torque, vibration resistance, and moderate tensile load are essential. Frequently selected for bolting engines, gear housings, and other general assemblies.
Grade 5 Hex Cap Screws - Available Finishes
To meet varying environmental and operational needs, South Coast Fasteners offers Grade 5 hex cap screws in the following finishes:
Plain
Uncoated steel for dry, controlled environments or internal use where corrosion is not a primary concern. Offers ease of inspection and clean metal-to-metal contact in enclosed applications.
Yellow Zinc Cr+6
A bright, golden trivalent finish that combines aesthetic appeal with excellent corrosion protection. Popular in automotive, hardware, and construction jobs where visibility and light weather resistance are desired.
Zinc Cr+3
A trivalent zinc plating with a silver-blue appearance, providing moderate corrosion resistance and a clean, uniform finish. Commonly used in general mechanical applications where parts are visible or partially exposed.
Zinc JS500
This high-performance finish provides superior corrosion protection through a layered coating system. JS500 is commonly chosen for outdoor or industrial environments where hex cap screws are exposed to moisture, chemicals, or salt. It also offers enhanced resistance to hydrogen embrittlement in high-strength fasteners.
Why Choose South Coast Fasteners?
South Coast Fasteners delivers high-performance fasteners backed by deep inventory, quick turnaround, and decades of industry experience. Whether you are repairing, building, or producing at scale, our Grade 5 Hex Cap Screws are built to meet the strength and reliability your work demands.
Shop Grade 5 Hex Cap Screws Online at South Coast Fasteners
South Coast Fasteners makes ordering Grade 5 Hex Cap Screws fast and easy. Browse our full selection online and order with confidence. If you need help with material specs, finish options, or bulk quantities, we are here to help you get the job done right.