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Metric Hex Cap Screws

Metric hex cap screws are a core component in equipment manufacturing, steel construction, and infrastructure development. Whether you’re securing structural frames, bolting down heavy machinery, or anchoring support systems, these fasteners deliver consistent performance under load. At South Coast Fasteners, we stock a wide range of metric hex cap screws in standard strength and high-grade options, including corrosion-resistant stainless steel. Our inventory supports everything from routine installations to critical structural joints—available in the materials and finishes your job requires.

Standards and Compliance

All metric hex cap screws we supply are manufactured in accordance with DIN 933, DIN 931, and equivalent ISO standards, ensuring accurate thread pitch, shank length, and mechanical performance.

Available in Grade 8.8, Grade 10.9, and A2/A4 stainless steel, these fasteners meet strict mechanical property requirements for tensile strength, hardness, and environmental resistance. Whether your job requires high clamping force or corrosion resistance, we have the right spec on the shelf.

Material certifications, RoHS compliance documentation, and country-of-origin certificates are available upon request to support your quality control and regulatory requirements.

Available Grades and Types

Each product is stocked in a wide range of metric thread sizes and lengths to meet build spec requirements across manufacturing, assembly, and repair operations.

  • Metric Grade 8.8 Hex Cap Screws: Medium carbon steel fasteners that are heat-treated for strength and performance. Common in construction, machine building, and general industrial use where dependable tensile strength is required under dynamic loads.
  • Metric Grade 10.9 Hex Cap Screws: High-strength alloy steel fasteners with improved mechanical properties for heavy equipment, engine components, and critical bolted connections. Ideal for high-load applications and dynamic environments.
  • Metric Stainless Steel Hex Cap Screws (A2 / A4): Corrosion-resistant hex cap screws suitable for outdoor, marine, and chemical-exposed environments. A2 stainless for general atmospheric resistance; A4 stainless for harsher, more corrosive conditions.

Why Choose South Coast Fasteners?

At South Coast Fasteners, we do more than stock hardware—we supply the products that hold your operation together. Our metric hex cap screws are available in depth, with fast turnaround and reliable support for buyers, engineers, and jobsite managers who expect accuracy and performance.

We work with contractors, fabricators, OEMs, and maintenance teams across California and beyond to deliver industrial fasteners that meet project specs and show up when they’re needed. Orders are processed quickly, and our team is always ready to help verify sizing, strength grades, or alternate specs if something’s not on the shelf.

When your job depends on getting the right fasteners the first time, we’re the supplier you call.

Shop Metric Hex Cap Screws Online Today

Browse our complete inventory of metric hex cap screws online, available in standard and high-strength grades, with stainless steel options in stock. Place your order anytime through our 24/7 online store, or contact us directly for bulk pricing, spec support, or special sourcing needs. South Coast Fasteners has the hardware you need and the service to back it up.