Are you looking for a more cost effective way to buy your screw kits?
Fullerkreg can now provide small boxes packaging solutions saled on Amazon:assemble 5+ parts per kit, 10+ parts per kit,100+ parts per kit, and even build multiple sub-kits within a master kit.
Products including all types of screws, rivets, socket head cap screws, flange bolts and nuts, concrete anchors, split pins, stainless steel fasteners, brackets, U-bolts; in fact virtually anything!
All packing and kitting is carried out in-house by Fullerkreg using state of the art equipment; State-of-the-art automated equipment for increased speed and accuracy.Multiple levels of verification to ensure quality and accuracy.Product undergoes three levels of quality testing (pre-production, 1st article, pre-shipment).Each completed kit is weight-verified, and samples from each lot are inspected prior to shipping.
all far cheaper than the real cost of doing it yourself.
M8 x 1.25 A2 Stainless Steel DIN 6923 Serrated Hex Flange Nut
  Width Measured From Flat to Flat :13 mm   Overall Width: 17.9 mm   Overall Height: 8 mm   Hex Socket Drive : 13 mm
Product Attributes
  Wrench Size :13mm   Grade :A2   Thread Size :1.25   Thickness :8mm   Diameter-Thread Size :M8-1.25   Finish :Plain   Diameter :M8   Material :Stainless Steel   Specification :DIN 6923   Thread :Coarse   Type :Serrated Flange Nut   System of Measurement :Metric   UOM :25 PCS
Flange nuts have a washer-like base to distribute pressure over a greater surface area and ensure the fastener stay tight. They are commonly used in manufacturing assembly lines where operations are speeded by using a single fastener instead of a nut and washer.
Type 304 (18-8) is an austenitic steel possessing a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. It is a nonmagnetic steel which cannot be hardened by heat treatment, but instead. must be cold worked to obtain higher tensile strengths.
Yes, You CAN get all of Your fasteners from a single source-Fullerkreg