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Home Product Combination Nut Set Locking M4*18-20 Sets | High-Strength Threaded Fastener Kit for Machinery & Precision Assembly
Combination Nut Set Locking M4*18-20 Sets

Combination Nut Set Locking M4*18-20 Sets | High-Strength Threaded Fastener Kit for Machinery & Precision Assembly

Combination Lock Nut Set M4
Locking Nut Assembly Kit
Threaded Locking Nut Sets
Combination Nut Set Locking M4*18-20 Sets
Combination Lock Nut Set M4 with Locking Nut Assembly Kit and Threaded Locking Nut Sets for secure fastening in machinery,automotive applications,and precision assembly projects. Includes M4 nuts with durable locking mechanism.
Categories:Fasteners & Fixings
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Product Description

The Combination Lock Nut Set M4 is a premium Locking Nut Assembly Kit designed for secure fastening in high-vibration environments. This Threaded Locking Nut Sets package includes 18-20 units of M4 size nuts (5mm thread diameter) with integrated locking features, compatible with standard M4 bolts and threaded rods. Constructed from grade 304 stainless steel, it offers corrosion resistance for operation in temperatures ranging from -40°C to 260°C. The dual-component design combines a hex nut with a nylon insert, creating permanent vibration-proof connections without requiring additional tools. Ideal for automotive assemblies, industrial machinery, and precision equipment installations, this kit provides superior anti-loosening performance while maintaining 25 Nm torque capacity. Key advantages include reusability up to 3 cycles and IP67 environmental protection, though proper alignment is critical during installation.
Parameter Specification
Model Designation Combination Lock Nut Set M4-18/20
Thread Size M4 x 0.7mm Metric Thread
Fastener Length 18-20mm shank length
Locking Mechanism Nylon insert (PA66) locking feature
Kit Contents Pre-assembled nut-washer combinations
Material Grade Class 8.8 Carbon Steel
Surface Treatment Zinc-plated corrosion resistance
Assembly Torque 3.6-4.1 N·m (M4 specification)
Temperature Range -50°C to +120°C (Nylon insert)
Packaging Quantity 20 sets per reusable storage case
Compatibility ISO 7040 / DIN 985 standards
Vibration Resistance DIN 25201 compliance
Reusability Up to 5 assembly cycles
question:Do you provide technical selection services?
answer:Yes, we offer technical selection services to assist clients.
question:Can I self-schedule official courier pickup?
answer:Yes, official courier pickup can be self-scheduled via our platform.
question:Do you support international shipping insurance?
answer:Yes, international shipping insurance options are available upon request.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Do you provide technical selection services?
answer:Yes, we offer technical selection services to assist clients.
question:Can I self-schedule official courier pickup?
answer:Yes, official courier pickup can be self-scheduled via our platform.
question:Do you support international shipping insurance?
answer:Yes, international shipping insurance options are available upon request.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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