M4-0.7 Lock Nut 300Pcs Stainless Steel Nylock Locking Nuts with Washer

Key features

• Premium 304 Stainless Steel: Crafted from high-grade 304 (18-8) stainless steel, these M4 lock nuts offer exceptional strength and superior corrosion resistance. Ideal for both indoor and outdoor projects, harsh marine environments, and industrial applications without rusting.
• Secure Nylon Collar Insert: Featuring a high-quality nylon insert that creates friction against bolt threads, preventing nuts from loosening due to intense vibration, torque, or shock. Delivers a reliable, permanent locking force for high-stress connections.
• Standard M4 Metric Thread: Precision-engineered metric M4 coarse threads ensure a clean, smooth spin-on without jamming or cross-threading. Fully compatible with standard M4 bolts, machine screws, and threaded rods.
• Bulk 300-Piece Assortment: Includes 300 pieces of M4 hex nylon lock nuts packed in a transparent, sturdy compartment storage case. Keep your fasteners organized, easily accessible, and convenient to take on job sites or garage projects.
• Multi-Purpose Fastening Solutions: Essential fastener set widely used in 3D printers, automotive repair, furniture assembly, RC cars, machinery, robotics, marine hardware, and daily home DIY maintenance.

Free shipping included. 30-day hassle-free returns.