18-8 Stainless Steel Dowel Pin 5 mm Diameter, 22 mm Long ISO 2338-m6 (400pcs/PACK) Package:400 while the nylon insert grips

while the nylon insert grips the threads of the bolt

SAE flat washers are standard flat washers designed to provide a smooth bearing surface and distribute load under bolts

while the serrated edges increase friction

Commonly used in woodworking

or conical washers

18-8 Stainless Steel Dowel Pin 5 mm Diameter, 22 mm Long ISO 2338-m6 (400pcs/PACK) Package:400 while the nylon insert gripsDowel pins are cylindrical rods used to align and secure components in mechanical assemblies. They provide precise positioning and prevent movement between parts, ensuring stability. Commonly used in woodworking, machinery, and automotive applications, dowel pins enhance structural integrity and facilitate easy disassembly and reassembly.