Bulk Stainless Hex Cap Bolts (A2/18-8 & A4/316) – Metric & Inch
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2026/02/22
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Metric & Inch Sizes · Bulk Packs & Case Quantities Bulk Stainless Hex Cap Bolts are a go-to fastener for industrial, marine, and outdoor assemblies where corrosion resistance and consistent specifications matter. This collection includes both A2 / 18-8 (Type 304) stainless for general corrosion resistance and A4 / 316 stainless for higher-saline and harsher environments. Stocked in a wide range of diameters and lengths across metric and US / inch sizing, these bolts are ideal for machine shops, fabricators, maintenance teams, OEM builds, and contractor supply. Buy with confidence—Monster Bolts focuses on clear specs, reliable inventory, and bulk-friendly ordering.