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Threadlockers

3 results found that include 132 products

Apply a few drops of thin, single-component threadlocker from Grainger to the threads of fasteners, such as screws and bolts, and prevent loosening, leakage and corrosion. Choose from general purpose, medium strength, medium-to-high strength, high strength and more. When you shop Grainger for threadlocker, you know you’re getting the best. Find it here!Close

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Threadlocker Buying Guide

Threadlockers significantly increase the reliability of threaded fasteners. They lock against vibration and thermal expansion, seal against corrosion and leakage and help reduce costs. Depending on the formula, threadlockers can be primerless and oil tolerant.

Color Strength Level Disassembly Removable With Full Cure Time Optimum Temp Ranges For Fastener Diameter
Low Removable Hand Tools 24 Hour -65° to 300°F Up to 1/4" (6mm)
Medium Removable Hand Tools 24 Hour -65° to 300°F Up to 1/2" (12mm)
Medium Removable Hand Tools 24 Hour -65° to 300°F 1/4" to 3/4" (6mm to 22mm)
High Permanent* Heat and Hand Tools 24 Hour -65° to 550°F Up to 1/2" (36mm)
High Permanent* Heat and Hand Tools 24 Hour -65° to 300°F Larger than 7/8"
*No threadlocker is permanent. High strength can be removed using standard hand tools following direct exposure to temperatures of 450°F.

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  • Medium Threadlocker Strength
    • Multiple product options available

      Fill the gaps between threads with these medium-strength blue and green threadlockers. They prevent fasteners from loosening due to vibration, while protecting against rust and corrosion. Fasteners can be removed with hand tools. Cure time is 24 hours.

      Multiple product options available

  • Low Threadlocker Strength
    • Multiple product options available

      When using low-strength purple threadlockers to fill the gaps between threads, fasteners can be removed with hand tools. They prevent loosening due to vibration, and also help protect against rust and corrosion. Cure time is 24 hours.

      Multiple product options available

  • High Threadlocker Strength
    • Multiple product options available

      These high-strength black and red threadlockers can be used to fill the gaps between threads, preventing fasteners from loosening due to vibration, and protecting against rust and corrosion. Fasteners can be removed with hand tools after heat is applied. Cure time is 24 hours.

      Multiple product options available

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More