: Usually have radial slashes (e.g., three marks for Grade 5).
& Lowe's : Generally stock common metric hex bolts and socket caps, though they may lack more niche thread pitches.
: A massive industrial supplier. While some locations primarily serve businesses, many allow individuals to order online and pick up in-store. Bulk & Assortment Kits (Best for Stocking Your Shop) where to buy metric bolts
If you need high-strength grades (e.g., 10.9 or 12.9) or unusual lengths/pitches, these specialized distributors are the industry standard.
When looking for metric bolts, your best option depends on whether you need a single specific piece immediately or a large variety for a project. Quick Local Pickups (Best for 1-5 pieces) : Usually have radial slashes (e
or O'Reilly Auto Parts : Best for automotive-specific metric bolts, though they may not carry general-purpose hardware. Specialty & Online Suppliers (Best for Variety & Quality)
: Usually have numbers like 8.8, 10.9, or 12.9 indicating strength. While some locations primarily serve businesses, many allow
: Frequently cited by users as having the best selection of individual metric fasteners in-store, often including bins for small sizes like M3 or M5.