4-40, 6-32, 8-32, 10-24, 1/4"-20, 5/16"-18, 3/8"-16, 1/2"-13 UNC
Nyloc Nuts DIN 985 Self Locking Hex Nuts Nylon Insert Lock Nuts A2 Stainless Steel
High-quality materials, environmentally friendly, safe and reliable, durable and long life. Excellent craftsmanship, Smooth without burrs, quick and simple use.