You save 1,173 (30%)
30% off the seller list price
Doorstep delivery by 19 Sept - 21 Sept from USA
| SKU | tmf9701 |
| GTIN | 0014973284886 |
| Brand | Hard-to-Find Fastener |
| Product Name | Hex Locknut |
| Model Number | 03648 |
| Part Number | LNS-227-100 |
| Thread Size | #10-24 |
| Thread Type | Coarse (24 TPI) |
| Material | Alloy Steel |
| Finish | Zinc Plated |
| Insert Type | Nylon |
| Diameter | #10 |
| Thickness | 15/64 inches (approx. 5.95 mm) |
| Driver Type | 3/8 Wrench |
| Unit Count | 100 pieces |
| Item Weight | 0.52 lb (approx. 236 g) |
| Package Weight | 1.52 lb (approx. 689 g) |
| Package Dimensions | 11.37 L x 3.26 W x 3.82 H inches |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
This item:
Hard-to-Find Fastener 3/8"-16 Nylon Insert Lock Nuts 100-Pack | Secure Locking Design for Vibration Resistance
2,708
This item
Hard-to-Find Fastener 3/8"-16 Nylon Insert Lock Nuts 100-Pack | Secure Locking Design for Vibration Resistance
2,708
Total price:
5,117
You save 1,624 (24%) Extra3 items selected
3 items
5,117You save 1,624 (24%) Extra
Why shop with us
One price. One payment. No surprises.
High risk
Buying Direct
Crowcrowcrow
Safe Lane
Secure Your Projects with Vibration-Proof Fastening
Hard-to-Find Fastener 3/8"-16 nylon insert lock nuts provide a secure locking design, preventing loosening from vibration, shock, or heavy loads. Manufactured from hardened steel with a zinc-plated finish, these nuts offer superior durability and corrosion resistance for demanding applications. Imported from authorized US retailers and authorized brand partners, all customs duties and GST are included in the price.
The coarse thread and hexagonal design ensure high shear resistance, making them suitable for automotive, industrial, and heavy machinery projects. Each nut features a built-in nylon collar and is compatible with a standard 9/16" wrench for easy installation. The yellow zinc finish provides a clean appearance and protects against rust and wear.
These lock nuts are an excellent choice for projects in India requiring reliable fastening. They offer a durable alternative to standard nuts, ensuring long-lasting performance even under high-torque conditions. Delivery is handled via ExpressBox for secure transit.
Engineered for Secure Fastening
These Hard-to-Find Fastener lock nuts are engineered with a nylon insert that creates friction, preventing self-loosening under vibration. Unlike standard nuts that can loosen over time, these are designed for critical applications in automotive, industrial, and heavy machinery. The hardened steel construction ensures they can handle high torque without failure. Imported from authorized US retailers and authorized brand partners, they offer a reliable solution for projects demanding maximum fastening security and durability.
Who Should Use These Nuts
Ideal for mechanics, engineers, and DIY enthusiasts working on vehicles, industrial equipment, or machinery where vibration is a concern. Suitable for applications requiring a 3/8"-16 coarse thread and a 9/16" wrench. Skip if you require a fine thread, a different material like brass, or a nut without a nylon insert for high-temperature applications exceeding 250°F (121°C).
Typical situations where Hard-to-Find Fastener 3/8"-16 Nylon Insert Lock Nuts 100-Pack | Secure Locking Design for Vibration Resistance helps — illustrative scenarios, not customer reviews.
A mechanic in Chennai is repairing a commercial vehicle that experiences heavy vibrations during operation.
Using these 3/8"-16 nylon insert lock nuts ensures critical components remain securely fastened, preventing potential failures caused by constant vibration. The hardened steel and zinc plating offer durability for demanding automotive use.
An industrial plant in Pune needs to secure machinery parts that are subject to constant movement and shock.
These lock nuts provide a reliable solution with their vibration-resistant nylon collar, maintaining joint integrity under stress. The 100-pack offers good value for large-scale industrial projects.
| Locking Mechanism | Nylon Insert |
| Primary Material | Hardened Steel |
| Protective Finish | Zinc Plating |
| Application | Automotive, Industrial, Heavy Machinery Projects |
| Thread Standard | Coarse |
| Recommended Wrench Size | 9/16" |
| Maximum Operating Temperature | 250°F (121°C) for nylon insert |
| Cost per nut | 100 nuts in pack: ₹27.08 per nut |
| Feature | Hard-to-Find Fastener 3/8"-16 | Others |
|---|---|---|
| Locking Mechanism | Nylon Insert (prevents loosening from vibration) | Standard nuts (may loosen with vibration) or specialized locknuts (varies by brand) |
| Material & Finish | Hardened Steel with Yellow Zinc Plating (corrosion resistant) | Varies; often plain steel or basic zinc plating (corrosion resistance may differ) |
| Thread Specification | 3/8"-16 Coarse Thread (Class 2A) | May vary; check for metric M10 or imperial equivalents (thread class may differ) |
| Quantity & Value | 100-Pack — ₹27.08 per nut per nut | Often sold in smaller packs (e.g., 10-20 pcs) or individually; price varies significantly |
| Application Suitability | Automotive, Industrial, Heavy Machinery (high vibration) | General purpose fastening; specialized locknuts for specific industrial needs |
About Hard-to-Find Fastener
Hard-to-Find Fastener specializes in providing a wide range of industrial and specialty fasteners, including lock nuts, bolts, and screws, for demanding applications.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
Share your experience
Bought this from CrowCrowCrow? Other buyers want to hear how it went.
| Attributes | Current  |  |  |  |  | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price |
1,323 1,395 |
1,086 1,465 |
7,948 10,953 |
1,147 1,649 |
1,194 1,712 |
3,183 4,175 |
| Rating | 4.80(95) | 4.70(294) | 4.50(14) | 4.30(173) | 4.60(47) | 4.60(32K+) | 4.70(92) |
| Brand Name | Hard-to-Find Fastener | uxcell | HARFINGTON | NANKADF | FFVRVSS | AcuRite | Goupchn |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
