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    Threadlocking

    Application of thread locker in lab

    Reliable Thread Lockers

    Nuts N’ Bolts® thread lockers secure threaded assemblies and resist loosening due to vibration and thermal expansion. These products cure anaerobically, in the absence of oxygen, for fast and reliable bonding. low, medium, and high strength versions are available as well as wicking grades which can be applied without disassembly. These tried and trusted products are used around the world and are specified in critical industries including defense and aerospace applications.

    Nuts N’ Bolts® thread lockers secure threaded assemblies and resist loosening due to vibration and thermal expansion. These products cure anaerobically, in the absence of oxygen, for fast and reliable bonding. low, medium, and high strength versions are available as well as wicking grades which can be applied without disassembly. These tried and trusted products are used around the world and are specified in critical industries including defense and aerospace applications.

    Custom Thread Locker Formulas

    Hernon Manufacturing ™ maintains a library of over 5000 unique formulas of adhesives and sealants but occasionally a specialty application calls for a change to one of our established formulas or even the creation of an entirely new product. Hernon’s in-house laboratory offers custom formula creation, complete with extensive product testing and sampling. If you have an application bonding unique materials or in a unique environment, contact Hernon today to learn more about designing a custom formula.

    Want more information on threadlockers? Click here to learn how and when to use a thread-locking adhesive. 

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    Nuts N' Bolts® 128

    Nuts N’ Bolts® 128 is a single component, low strength thread locker designed for locking plastic and metal fasteners. Fixture time is about 5 minutes and adhesive can be pre or post applied. Any excess adhesive on the surface will cure and will not migrate to the other parts. Nuts N’ Bolts® 128 can be used as a low strength thread locker, bonder or tamper proofer for metal, polyester, nylon and many other thermo plastics materials.
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    Nuts N' Bolts® 220

    Nuts N’ Bolts® 220 is a single component, high strength, anaerobic compound used to lock and seal fine threaded nuts, bolts, and studs in a wide variety of applications.
    Picture of Nuts N' Bolts® 223

    Nuts N' Bolts® 223

    Nuts N’ Bolts® 223 is a single component, high strength, anaerobic compound used to lock and seal coarse threaded nuts, bolts, and studs in a wide variety of applications.
    Picture of Nuts N' Bolts® 225

    Nuts N' Bolts® 225

    Nuts N’ Bolts® 225 is a single component, high strength, anaerobic compound used to lock and seal coarse threaded nuts, bolts, and studs in a wide variety of applications.
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    Nuts N' Bolts® 227

    Nuts N’ Bolts® 227 is a single component, high strength, anaerobic compound used to lock and seal fine threaded nuts, bolts, and studs in a wide variety of applications.
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    Nuts N' Bolts® 230

    Nuts N’ Bolts® 230 is a single component medium strength, anaerobic compound used to lock and seal fine threaded nuts, bolts and studs in a wide variety of applications where removal with ordinary hand tools is necessary.
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    Nuts N' Bolts® 232

    Nuts N’ Bolts® 232 is a single component medium strength, anaerobic compound used to lock and seal fine threaded nuts, bolts and studs in a wide variety of applications where removal with ordinary hand tools is necessary.
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    Nuts N' Bolts® 234

    Nuts N’ Bolts® 234 is a single component medium strength, anaerobic compound used to lock and seal coarse threaded nuts, bolts and studs in a wide variety of applications where removal with ordinary hand tools is necessary.
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    Nuts N' Bolts® 236

    Nuts N’ Bolts® 236 is a single component medium strength, anaerobic compound used to lock and seal fine threaded nuts, bolts and studs in a wide variety of applications where removal with ordinary hand tools is necessary.
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    Nuts N' Bolts® 237

    Nuts N’ Bolts® 237 is a single component, high strength, anaerobic compound used to lock and seal fine threaded nuts, bolts, and studs in a wide variety of applications.
    Picture of Nuts N' Bolts® 238

    Nuts N' Bolts® 238

    Nuts N’ Bolts® 238 is a single component anaerobic compound used to lock and seal coarse threaded nuts, bolts and studs in a wide variety of applications requiring easy removal or adjustment.
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    Nuts N' Bolts® 240

    Nuts N’ Bolts® 240 is a single component anaerobic compound used to lock and seal fine threaded nuts, bolts and studs in a wide variety of applications requiring easy removal or adjustment.
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    Nuts N' Bolts® 246

    Nuts N’ Bolts® 246 is a single component anaerobic compound used to lock and seal coarse threaded nuts, bolts and studs in a wide variety of applications where removal with ordinary hand tools is necessary.
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    Nuts N' Bolts® 248

    Nuts N’ Bolts® 248 is a single component anaerobic compound used to lock and seal fine threaded nuts, bolts and studs in a wide variety of applications requiring easy removal or adjustment.
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    Nuts N' Bolts® 410

    Nuts N’ Bolts® 410 is a single component, low viscosity anaerobic adhesive/sealant designed especially for wicking applications. It has the ability to penetrate porous structures and cracks by capillary action, filling voids as large as 0.005 in.
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    Nuts N' Bolts® 420

    Nuts N’ Bolts® 420 is a single component anaerobic thread locking material, which is thixotropic and develops low strength for easy disassembly. The product cures when confined in the absence of air between close fitting metal surfaces.
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    Nuts N' Bolts® 423

    Nuts N’ Bolts® 423 is a single component anaerobic thread locking material, which is thixotropic and develops medium strength. The product cures when confined in the absence of air between close fitting metal surfaces and is particularly suitable for less active substrates such a stainless steel and plated surfaces.
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    Nuts N' Bolts® 425

    Nuts N’ Bolts® 425 is a single component anaerobic thread locking material, which is thixotropic and develops medium to high strength. The product cures when confined in the absence of air between close-fitting metal surfaces.
    Picture of Nuts N' Bolts® 426

    Nuts N' Bolts® 426

    Nuts N’ Bolts® 426 is a single component anaerobic thread locking material, which develops high strength. The product cures when confined in the absence of air between close fitting metal surfaces.
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    Nuts N' Bolts® 427

    Nuts N’ Bolts® 427 is a single component anaerobic thread locking material, which develops high strength. The product cures when confined in the absence of air between close fitting metal surfaces.
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    Nuts N' Bolts® 428

    Nuts N’ Bolts® 428 is a single component anaerobic threadlocking compound designed for heavy duty applications subject to operating temperatures to 450°F (232°C). The product delivers high strength locking and sealing on screws, nuts, bolts, studs and fittings. Excellent break-loose and prevailing torque values assure maximized resistance to transverse vibration loosening at elevated temperatures. Meets requirements of CID A-A-59720 Grade HT
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    Nuts N' Bolts® 429

    Nuts N’ Bolts® 429 is a single component anaerobic thread locking adhesive. Nuts N’ Bolts® 429 is a high-strength adhesive for locking and sealing large bolts and studs 1inch and larger diameters. Curing occurs only when adhesive is confined between mating surfaces. The cured adhesive is suitable for temperatures up to 300°F (149°C) and exposure to most solvents.
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    Nuts N' Bolts® 431

    Nuts N’ Bolts® 431 is a wicking anaerobic used for preassembled equipment and structures where penetration into fastener connection points is required. This product allows very simple preventive maintenance by permitting thread locking without dismantling equipment. The product “wicks” into voids by capillary action. Use Nuts N’ Bolts® 431 to seal pores or pinhole porosity in welded seams, tanks, castings, or metal parts. The cured adhesive is a thermoset plastic suitable for temperatures up to 400°F (204°C), and exposure to most solvents.
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    Nuts N' Bolts® 433

    Weld Sealant 433 is a single component anaerobic penetrating adhesive and sealant. Utilizing capillary action, Weld Sealant 433 penetrates and seals porosities and cracks as large as 0.127 mm. Once confined away from air Weld Sealant 433 cures to a thermoset plastic. Sealant remaining on the surface will not cure and can be easily wiped clear. Benefits include retention of fluids and pressures as well as corrosion and contamination elimination. Temperature resistance is up to 400°F (204°C). Weld Sealant 433 is impervious to most solvents. Welds, castings and powder metal parts can be sealed to their rupture pressure.
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    Nuts N' Bolts® 434

    Nuts N' Bolts® 434 is a thixotropic, 100% active anaerobic compound which solidifies with reliable and expected strength upon application to most fasteners. Particularly suitable for applications on less active substrates such as stainless steel and plated surfaces, where disassembly with hand tools is required for servicing. Nuts N' Bolts® 434 is easily applied. No mixing (single component), no curing outside the joint and no torque adjustments are necessary. Nuts N' Bolts® 434 offers increased profitability, having approximately 80% cost advantage over the cheapest mechanical methods as well as reducing inventories, maintenance, and the need for costly precision tolerances. Nuts N' Bolts® 434 can be used on up to 3/4inch bolts with light oil contamination.
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    Nuts N' Bolts® 97860

    Nuts N’ Bolts® 97860 is a wicking anaerobic used for preassembled equipment and structures where penetration into fastener connection points is required. This product allows very simple preventive maintenance by permitting thread locking without dismantling equipment. The product “wicks” into voids by capillary action. Use Nuts N’ Bolts® 97860 to seal pores or pinhole porosity in welded seams, tanks, castings, or metal parts. The cured adhesive is a thermoset plastic suitable for temperatures up to 400°F (204°C), and exposure to most solvents.
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    ThreadPaste 432

    Threadpaste 432 is a single component anaerobic thread-locking compound designed for heavy duty applications subject to operating temperatures to 450°F (232°C). The product delivers high strength locking and sealing on screws, nuts, bolts, studs and fittings. Excellent break-loose and prevailing torque values assure maximized resistance to transverse vibration loosening at elevated temperatures.