L9 Fasteners

L9 fasteners have the highest tensile strength of any fastening system on the market. Made in the USA and fabricated from high-grade alloy steel, L9 fasteners provide a minimum tensile strength of 180,000 psi. These high-performance fasteners are available with premium finishes for enhanced strength and corrosion resistance, including yellow chromium, zinc, and cadmium coatings. L9 bolts, L9 hex nuts, L9 washers, and other L9 fasteners are used in the world's most demanding and high-stress environments, including the automotive, aerospace, and construction industries. If you are confronted with problems like fastener head separation, loss of clamp load, cracked or split washers and nuts, stripped threads, or rust and corrosion, L9 fasteners may be your solution.

Order L9 Bolts, L9 Hex Nuts, L9 Hex Cap Screws & More

Click into any of the categories below to browse availability and add to your cart. Not sure if L9 fasteners are the best option for your application? Contact us to learn more, or submit a quick quote for pricing information. Receive free MTRs (Manufacture Test Reports) upon request. You can also view technical data on L9 fasteners from BBI.

L9 Bolts, L9 Washers, & Other L9 Fasteners at RC Fasteners

At RC Fasteners, we distribute a wide selection of wholesale L9 fasteners. Our in-stock inventory includes L9 structural hex cap screws, hex nuts, collar locknuts, and washers in an extensive range of sizes. These high-tensile-strength fasteners are specially engineered to eliminate common challenges associated with standard fasteners. Advantages of L9 fasteners include:
  • Thicker heads allow for better wrench contact and less slippage
  • Radius under cap screw head adds strength
  • Smooth washer bearing surfaces provide uniform load distribution
  • Proper heat treatment protects against splitting and stripping
  • Yellow dichromate zinc plating assists torquing and provides maximum corrosion resistance

L9 Fasteners to Improve Safety & Reduce Costs in Any Industry

Capable of holding 180,000 pounds per square inch, L9 fasteners are the fastener of choice for a range of industries, including automotive, aerospace, transportation, solar and wind, manufacturing, construction, and more. We carry a full line of L9 fasteners to help you improve safety, reduce costs, and keep your products on the job longer. Browse:

RC Fasteners is Your Source for L9 Fasteners in Bulk

RC Fasteners & Components is your source for the strongest and safest fasteners on the market. We supply L9 hex screws, nuts, collar locknuts, and flat washers in any size you need. In addition to premium L9 fastening products, we distribute a wide range of bolts, screws, nuts, and other industrial-grade fasteners at wholesale prices. With an unwavering commitment to quality and personalized customer service, we go the extra mile to ensure you have the best fastening products for your unique application in a time frame that works for you. For an extensive list of our products and services, view or download our line card online.

Contact Us to Learn More about L9 Bolts, Hex Nuts, Hex Cap Screws, & More

If you can't find the right style or size for your application, contact us, and our friendly staff will assist you in finding the best L9 fasteners for your application. For detailed pricing information on special orders, submit a Quick Quote online. Trust RC Fasteners for all your commercial and industrial fastener supply needs.