Purchase the AVK A-W Knurled nut at Bay Supply today. Known for their extraordinary shear strength, AVK A-W Knurled Threaded Inserts offer outstanding pull out in plywood and fiberglass materials. However, this unique insert can also be installed into a variety of materials thicker than 1.57mm as long as the material is softer than the insert itself. Whether you're searching for brass or steel inserts, we have you covered. Shop for AVK A-W Knurled Threaded Inserts or other fine AVK products now.