Optimizing Your Locknut RFQ: A Practical Guide for Distributors and Procurement Professionals

A well-written RFQ can be the difference between receiving a fast, accurate quote and spending valuable time resolving missing details.

For hardware distributors and procurement teams, a clear, complete RFQ helps reduce delays, improve pricing accuracy, and keep projects moving.

At Lok-Mor, we’ve spent more than 40 years setting the industry standard for domestically manufactured locknuts. We’ve learned that successful orders begin long before the wrench hits the nut – they start with the RFQ.

In this guide, we’ll cover the information every locknut RFQ should include so you can get faster, more accurate quotes.

1. Define the Functional Locknut Category 

Locknuts vary in their design and intended application. To provide an accurate quote, we first need to understand what type of locknut your application requires:

• Prevailing-Torque: These nuts create constant frictional resistance during assembly and are ideal for high-vibration environments. For more information on these, please see our blog: “What are Prevailing-Torque Locknuts and How are They Used?”
• Free-Spinning: These turn freely until seated, making them ideal for ease of installation and reusability. These versatile nuts are covered in our blog: “Are Locknuts Reusable? A Manufacturer’s Insight”.
• Structural: This category is reserved for critical applications where failure is not an option. Our flagship ANCO® PN-LOC® is the award-winning choice, featuring a unique stainless steel ratchet pin to ensure consistent torque.

2. Precise Dimensional and Thread Specifications

Ambiguity in sizing is a leading cause of mismatch in the fastener world. Your RFQ should clearly define:

• Size: We manufacture everything from small locknuts to ones with massive diameters over 6 inches.
• Thread Type and Pitch: Let us know if you require UNC, UNF, 8UN series, or Metric.
• Special Configurations: Do you need a hex-finished nut, a low-profile jam nut, a heavy hex, or a hi-nut?

3. Material and Grade Requirement 

Material selection is a primary driver of both performance and price. Specify the exact grade or alloy needed to meet the mechanical demands of the joint:

• Steel Grades: Common requests include Grades 2, 5, and 8, as well as 2H/DH for structural needs.
• Other Materials: In addition to steel, we also offer Monel, aluminum, brass, bronze, nylon, and more.
• Domestic Compliance: If your customer requires 100% domestic fasteners, we offer “melted and manufactured” stainless steel options.

4. Coating, Plating, and Environmental Context

The environment is a major determinant of the nut’s lifespan. A “zinc nut” could mean many things, so being specific about the required protection can help us determine the best solution for you.

• Platings: Zinc, cadmium, and others.
• Heavy Corrosion Resistance: Hot-dip galvanized, mechanical galvanized, or specialized coatings like Xylan/Teflon.
• Context: Is this for a marine environment, an oil patch, or an automated assembly line? This context allows us to recommend specialized options.

5. Standards and Certifications

Manufacturing standards are the safety net for your procurement process. If your application requires compliance, please include the relevant specifications in your RFQ:

• Quality Management: Our organization is ISO 9001 certified, ensuring our processes are controlled and consistent.
• Material/Performance: Mention if you need compliance with ASTM (e.g., A563, A194), ANSI/ASME, or Mil-I-45208.
• Documentation: Do you require Material Test Reports (MTRs) or Certificates of Compliance? We maintain full lot traceability and can provide these documents upon request.

For more information, see our blog on standards and certifications.

6. Custom Manufacturing and Technical Drawings

If you are quoting a non-standard or per-print part, detailed documentation is important. Our full-scale machine shop can produce special spacers, bushings, acorn nuts, or square nuts. In these cases, please submit:

• Engineering drawings with clearly defined revision levels.
• Physical samples when drawings are unavailable.
• Specific requirements for internal or external threading.

7. Quantity, Timeline, and Delivery Expectations

Clear quantity and delivery expectations help us optimize your pricing and ensure we meet your project deadlines.

• Quantity: Specify total quantity and if you need blanket orders vs. one-time shipments.
• Expedited Needs: Because we are a domestic manufacturer, we offer some of the fastest lead times in the industry. If your customer is facing a “line-down” situation, let us know so we can prioritize expedited delivery.

Final Thoughts

A well-constructed RFQ is the start of a successful partnership. By providing complete and accurate information, you can avoid costly errors and strengthen your own reputation for reliability.

At Lok-Mor, our experts are always available to review your specifications and help you identify the best locking solution for any challenge. Whether you need the unparalleled structural safety of the ANCO® PN-LOC® or a custom-designed locknut for a unique application, we are here to ensure your products are Made in America. Made Right.™.

Ready to start your next quote?

• Call a locknut expert: 800-843-7230
• Email us for a quote: [email protected]
• Fill out our form to Get a Quote