it is flexible
Prevents irrigation water contaminants from entering the drinking water supply
Made of high-quality carbon steel with heat treatment and blackening treatment
these lock nuts greatly reduce loosening under vibrations and torque
20 x Grey Pan Head Screws Polypropylene (PP) Plastic Nuts and Bolts, Washers, M8 x 20mm, Acrylic, Water Resistant, Anti-Corrosion, Chemical Resistant, Electrical Insulator, Gray, 5/16" x 25/32 sold2024 it is flexible20 x Grey Pan Head Screws Polypropylene (PP) Plastic Nuts and Bolts, Washers, M8 x 20mm, Acrylic, Water Resistant, Anti Corrosion, Chemical Resistant, Electrical Insulator, Gray, 5 16" x 25 32 APPLICATIONS: Polypropylene is an economical material that offers a combination of outstanding physical, chemical, mechanical, thermal and electrical properties not found in any other thermoplastic. Product Features M8 x 20mm, Pan Head Screw, PANTONE PQ 18