NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16
NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16
NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16
NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16
NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16
NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16
NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16
NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16

NYLOC NYLON INSERT LOCKING NUTS A2 STAINLESS M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16

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🔒 10 SIZES ⚙️ A2-70 STAINLESS STEEL 🌀 VIBRATION RESISTANT

Premium Nyloc Locking Nuts (M2.5 to M16)

Stop vibration loosening with our professional-grade Nyloc nuts! These reusable locking nuts feature a nylon insert that grips bolt threads to prevent unwanted movement in demanding applications.

🔩
Hex Body
Standard wrench fitting
🌀
Nylon Insert
Locking mechanism
🔒
Thread Engagement
Friction-based locking

⭐ Key Features of Our Nyloc Nuts

Our Nyloc locking nuts provide reliable vibration resistance and corrosion protection:

🔩 M2.5 to M16 Range ⚙️ A2-70 Stainless Steel 🔒 Vibration Resistant 📏 DIN985 Standard 🌀 Nylon Insert Locking 🔄 Reusable Design 🛡️ Corrosion Resistant 📦 Custom Quantity Options

📐 Complete Size Range

Available in ten metric sizes to fit your specific needs:

M2.5
5mm Spanner
0.45mm Pitch
M3
5.5mm Spanner
0.5mm Pitch
M4
7mm Spanner
0.7mm Pitch
M5
8mm Spanner
0.8mm Pitch
M6
10mm Spanner
1.0mm Pitch
M8
13mm Spanner
1.25mm Pitch
M10
17mm Spanner
1.5mm Pitch
M12
19mm Spanner
1.75mm Pitch
M14
22mm Spanner
2.0mm Pitch
M16
24mm Spanner
2.0mm Pitch

📊 Technical Specifications

Size Thread Pitch Spanner Size Common Applications
M2.5 0.45mm 5mm Electronics, precision instruments
M3 0.5mm 5.5mm Small machinery, consumer products
M4 0.7mm 7mm General machinery, equipment
M5 0.8mm 8mm Automotive, furniture, fixtures
M6 1.0mm 10mm Industrial equipment, automotive
M8 1.25mm 13mm Heavy machinery, structural
M10 1.5mm 17mm Construction equipment, large machinery
M12 1.75mm 19mm Heavy equipment, industrial
M14 2.0mm 22mm Agricultural equipment, large structures
M16 2.0mm 24mm Heavy construction, industrial
General Specification Details
Product Type Nyloc Nuts (Nylon Insert Lock Nuts)
Material A2-70 Stainless Steel (304 Equivalent)
Standard DIN985 (German Industrial Standard)
Thread Type Standard Metric Coarse Threads
Locking Mechanism Nylon ring insert creates friction on bolt threads
Reusability Typically 5-10 times, depending on the application
Surface Finish Untreated (Natural Stainless Steel Finish)
Temperature Limit Nylon insert is effective up to 120°C (248°F)
Corrosion Resistance Excellent - Suitable for Outdoor & Marine Applications
Installation Tools Standard wrenches - no special tools required

✅ Advantages of Nyloc Nuts

Why choose Nyloc nuts over standard nuts? These locking nuts offer significant benefits:

  • Vibration resistance - Prevents loosening from vibration, shock, or movement
  • Reusable design - Can be removed and reinstalled multiple times
  • No special tools needed - Install with standard wrenches or sockets
  • Consistent locking action - Provides reliable torque retention
  • Corrosion resistance - Stainless steel construction for durability
  • Wide temperature range - Effective from -40°C to +120°C

🏭 Common Applications

Our Nyloc locking nuts are essential for vibration-prone applications:

🚗

Automotive & Vehicles

Engine mounts, suspension, exhaust systems, wheel nuts

🏗️

Machinery & Equipment

Industrial machines, pumps, motors, conveyors, generators

✈️

Aerospace & Aviation

Non-critical aircraft components, ground equipment

🚤

Marine & Boating

Engine mounts, deck hardware, railings, and marine equipment

⚡

Electrical & HVAC

Vibrating equipment, fan mounts, motor installations

🎢

Recreational Equipment

Exercise machines, playground equipment, bicycles

🔧 Installation & Usage Guidelines

For optimal performance with your nyloc nuts:

  1. Clean threads - Ensure both nut and bolt threads are clean and free of debris
  2. Hand-start installation - Begin threading by hand to prevent cross-threading
  3. Use correct torque - Tighten to the manufacturer's recommended torque values
  4. Check nylon insert - Inspect for damage before each reuse
  5. Limit reuse - Replace after 5-10 uses or if locking action feels weak
  6. Temperature consideration - Avoid exceeding 120°C (248°F) operating temperature

❓ Frequently Asked Questions

Q: How do Nyloc nuts actually work? 🔒
A: Nyloc nuts contain a nylon ring insert at the top of the nut. When threaded onto a bolt, the nylon deforms against the bolt threads, creating constant friction that resists loosening from vibration or movement. This friction-based locking action doesn't damage threads and allows for multiple removals and reinstallations.
Q: How many times can I reuse Nyloc nuts? 🔄
A: Nyloc nuts are typically reusable 5-10 times depending on application conditions. The nylon insert gradually loses its elasticity and locking effectiveness with repeated use. For critical applications, we recommend replacing nuts after significant reuse or if they feel loose during installation. Always inspect the nylon insert before reuse.
Q: What temperature can these withstand? 🌡️
A: The nylon inserts in our Nyloc nuts are effective up to 120°C (248°F). Above this temperature, the nylon may soften and lose locking effectiveness. The A2 stainless steel nut body can withstand much higher temperatures (up to 400°C), but for locking performance, stay within the nylon's temperature limits. For high-temperature applications, consider all-metal locking nuts.
Q: Are these suitable for outdoor or marine environments? 🚤
A: Yes! Our A2 stainless steel nyloc nuts offer excellent corrosion resistance, making them suitable for outdoor, marine, and high-moisture environments. The stainless steel construction prevents rust, and the nylon insert is not affected by moisture. They're perfect for boats, outdoor equipment, and marine applications where vibration resistance is needed.
Q: What is the DIN 985 standard? 🇩🇪
A: DIN985 is a German industrial standard that specifies the dimensions, tolerances, and technical requirements for nylon insert lock nuts (nyloc nuts). This widely recognized standard ensures consistent quality, proper nylon insert performance, and reliable locking action across different manufacturers and applications.
Q: Can I use these with stainless steel bolts? ⚙️
A: Yes, but with caution. Stainless-on-stainless fastening can experience galling (cold welding) due to similar metal properties. To prevent this when using our A2 nyloc nuts with stainless bolts: 1) Use anti-seize compound, 2) Ensure threads are clean, 3) Tighten slowly, and 4) Avoid overtightening. The nylon insert actually helps reduce galling risk compared to metal-on-metal contact.

🚚 Fast Shipping & HomeDIYer Quality

Quick Dispatch & Reliable Locking: Orders placed Monday-Friday are typically dispatched the next business day. As part of the HomeDIYer Fastener family, we guarantee premium quality fasteners. These Nyloc nuts are manufactured to exacting DIN985 standards, ensuring consistent locking performance and reliable vibration resistance for your critical applications.