🔩 Keps Nut (K-Lock Nut / Washer Nut) – Pre-Assembled Locking Nut | Neo Fasteners
A Keps Nut, also known as a K-Lock Nut or Washer Nut, is a hex nut pre-assembled with a free-spinning external tooth lock washer. This one-piece design provides vibration resistance, faster assembly, and locking strength, making it ideal for high-speed production environments and secure fastening in dynamic applications.
Keps nuts eliminate the need for a separate washer, saving time and reducing part counts in your assembly.
✅ Key Features
- One-piece design: Hex nut with attached external tooth lock washer
- Fast and efficient: Speeds up assembly and reduces loose parts
- Vibration-resistant: Washer bites into surface to prevent loosening
- Reusable: Can be removed and reinstalled without washer detachment
- Available in multiple materials, finishes, and thread types
- Ideal for electronics, automotive, appliances, and general assembly
🧱 Material Options
- Mild Steel (MS) – Standard, cost-effective option
- Stainless Steel (SS 304 / SS 316) – Corrosion-resistant for outdoor/chemical environments
- Brass – For electrical, decorative, or corrosion-sensitive use
- High Tensile Steel (Grade 8) – For heavy-duty applications
- Nylon-insert Keps Nut (optional) – Double-locking effect
🎨 Available Finishes
| Finish | Use Case |
|---|---|
| Zinc Plated (White/Yellow) | Corrosion resistance for general use |
| Nickel / Chrome Plated | Decorative, electrical |
| Black Oxide | Low-reflection, electrical panels |
| Self-Color (Plain) | Welding or coated environments |
| Passivated Stainless | High-performance corrosion protection |
📏 Available Thread Sizes
🧵 Metric Sizes:
- M3, M4, M5, M6, M8, M10, M12
Special threads and non-standard sizes available on bulk request.
📐 Technical Standards
- DIN Equivalent: Based on DIN 985 nut with pre-attached washer
- IFI-100 / ASME B18.2.2 (for Inch Series)
- Threads conform to ISO, ANSI, or JIS standards
- Manufactured as per ISO 9001:2015 Quality Management
- Fully RoHS and REACH Compliant
🧰 Applications
- Electrical & Electronics – Control panels, switchgear, PCB mounting
- Appliances & Consumer Goods – HVAC, washing machines, refrigerators
- Automotive – Dashboards, body fittings, vibration-prone joints
- Solar & Infrastructure – Panel frames, brackets
- Furniture – RTA assembly, fixtures, MDF boards
- Industrial Machinery – Equipment enclosures, conveyor systems
📦 Packing & Supply
- 100 / 200 / 500 pcs in polybags or cartons
- Bulk packaging: 25–50 kg in HDPE-lined export boxes
- OEM branding and barcode labeling available
- Material Test Certificate (MTC), RoHS Certificate, on request
🧩 Related Fasteners
- Nyloc Nut
- Flange Nut
- Cage Nut
- Hex Nut + Separate Lock Washer
- External Tooth Lock Washer (Sold Separately)
📞 Contact Neo Fasteners
📧 Email: neofasteners@yahoo.com
📞 Call/WhatsApp: +91-96328 07665
🌐 Websites:
📍 Location: Bengaluru, Karnataka, India