: 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)

: Known for having bulk hardware sections where you can buy metric bolts by weight, which is often very cost-effective.

: Excellent for buying "assortment kits" that give you a range of lengths in a specific diameter (like an M3 or M4 kit), which is helpful for hobbies like 3D printing.

: Specializes specifically in metric hardware, making them a top choice for automotive and European machinery parts.