Rely®⇒VP INDUSTRIES (Pcs-25) M6 x10 mm Wood Insert Interface Threads Imported Export Quality | Zinc Alloy Wood Insert Interface Screws Bolts Nuts Fixing Furniture Mounting Fasteners

Good quality and I got the exact same product.If you want to buy bolts to use with these inserts, buy M6 bolts of pitch size 0.8mm, of whatever length you require. Do use washers.

Nice product purpose full