4-40 SS Lock Nuts w/Nylon Inserts (4)
In Stock
Upgrade your fasteners with the high-performance 4-40 Stainless Steel Nylon Lock Nuts (4). Designed to withstand intense vibration in RC vehicles and scale models, these aircraft-quality lock nuts ensure your critical components stay firmly attached.
Engineered for ultimate reliability, the 4-40 Stainless Steel Nylon Lock Nuts (4) feature an integrated nylon insert that securely grips thread shafts to prevent back-off caused by engine vibration or rough terrain impacts. Manufactured from corrosion-resistant stainless steel, these aircraft-grade fasteners deliver superior durability and longevity for all custom RC hardware builds.
What thread size are the 4-40 Stainless Steel Nylon Lock Nuts (4)?
The 4-40 Stainless Steel Nylon Lock Nuts (4) feature standard 4-40 SAE thread pitch, making them compatible with standard 4-40 screws across various RC scale models.
Are 4-40 Stainless Steel Nylon Lock Nuts (4) reusable?
Yes, the 4-40 Stainless Steel Nylon Lock Nuts (4) can be reused multiple times, though the locking power of the nylon insert gradually decreases with frequent removal.
Why use stainless steel for 4-40 Stainless Steel Nylon Lock Nuts (4)?
Stainless steel provides high tensile strength and rust resistance, ensuring the 4-40 Stainless Steel Nylon Lock Nuts (4) maintain structural integrity when exposed to moisture, dirt, and fuel.







































