Thread Lockers

Applying even a small amount of thread locker to a threaded assembly can improve quality outcomes and reduce MRO requirements.

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.

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.


HERNON THREAD LOCKERS

Name Color VISC (cP) Prevailing 3/8x24 (6 HRS) Prevailing 3/8x24 (24 HRS) Break * Steel (24 HRS) Break * Plated Steel (24 HRS) Prevail * Steel (24 HRS) Prevail * Plated Steel (24 HRS)
Nuts N’ Bolts® 128 Blue 75 - 85 ≥ 2.82 (≥25)
Nuts N' Bolts® 240 Purple 10 - 25 ≥ 10 2.26 - 5.65 (20 - 50)
Nuts N' Bolts® 439 Red 2.5K - 3.5K ≥ 11.3 (≥ 100) 15.82 - 22.6 (140 - 200) ≥ 14.12 (≥ 125) 20.34 - 27.12 (180 - 240)
Nuts N' Bolts® 434 Blue 1.5K - 3K 9.04 - 16.95 (80 - 150) 5.65 - 14.12 (50 - 125) 3.95 - 9.94 (35 - 88) 0.56 - 7.34 (5 - 65)
Nuts N' Bolts® 431 Green 10 - 30 2.26 - 16.95 (20 - 150) 1.13 - 11.3 (10 - 100) 16.95 - 56.49 (150 - 500) 8.47 - 56.49 (75 - 500)
Nuts N' Bolts® 429 Red 6K - 8K 16.95 - 39.54 (150 - 350) 5.65 - 39.54 (50 - 350) 16.95 - 56.49 (150 - 500) 4.52 - 56.49 (40 - 500)
Nuts N' Bolts® 428 Red 4K - 8K 16.95 - 39.54 (150 - 350) 16.95 - 22.6 (150 - 200) 16.95 - 56.49 (150 - 500) 16.95 - 28.25 (150 - 250)
Nuts N' Bolts® 427 Red 400 - 600 16.95 - 39.54 (150 - 350) 4.52 - 39.54 (40 - 350) 16.95 - 56.49 (150 - 500) 4.52 - 56.49 (40 - 500)
Nuts N' Bolts® 426 Green 400 - 600 16.95 - 39.54 (150 - 350) 4.52 - 39.54 (40 - 350) 16.95 - 56.49 (150 - 500) 4.52 - 56.49 (40 - 500)
Nuts N' Bolts® 425 Red 1.2 - 2.4K 11.3 - 28.25 (100 - 250) 5.65 - 28.25 (50 - 250) 11.3 - 33.9 (100 - 300) 5.65 - 28.25 (50 - 250)
Nuts N' Bolts® 423 Blue 800 - 1.6K 7.91 - 22.6 (70 - 200) 1.13 - 11.3 (10 - 100) 2.26 - 22.6 (20 - 200) 0.56 - 22.6 (5 - 200)
Nuts N' Bolts® 422 Blue 115 - 135 11.3 - 22.6 (100 - 200) 5.65 - 16.95 (50 - 150) 3.39 - 22.6 (30 - 200) 2.26 - 22.6 (20 - 200)
Nuts N' Bolts® 420 Purple 900 - 1.5K 3.39 - 7.91 (30 - 70) 1.13 - 11.3 (10 - 100) 1.13 - 5.65 (20 - 50) 0.56 - 11.3 (5 - 100)
Nuts N' Bolts® 419 Purple 100 - 175 5.56 - 11.3 (50 - 100) 1.13 - 11.3 (10 - 100) 1.13 - 5.65 (20 - 50) 1.13 - 4.52 (10 - 40)
Nuts N' Bolts® 418 Blue 10 - 20 2.26 - 11.3 (20 - 100) 1.69 - 22.6 (15 - 200) 11.3 - 22.6 (100 - 200) 1.69 - 22.6 (15 - 200)
Nuts N' Bolts® 410 Blue 10 - 30 2.26 - 11.3 (20 - 100) 1.13 - 11.3 (10 - 100) 2.26 - 11.3 (20 - 100) 1.13 - 11.3 (10 - 100)
Nuts N' Bolts® 248 Brown 10 - 25 ≥ 5 1.13 - 2.82 (10 - 25)
Nuts N' Bolts® 246 Brown 100 - 250 ≥ 5 1.13 - 2.82 (10 - 25)
Nuts N' Bolts® 238 Purple 100 - 250 ≥ 10 2.26 - 5.65 (20 - 50)
Nuts N' Bolts® 237 Orange 40 - 80 ≥ 50 11.3 - 28.25 (100 - 250)
Nuts N' Bolts® 236 Red 100 - 250 ≥ 20 4.52 - 11.3 (40 - 100)
Nuts N' Bolts® 234 Blue 1K - 2K ≥ 20 4.52 - 11.3 (40 - 100)
Nuts N' Bolts® 232 Blue 10 - 25 ≥ 20 4.52 - 11.3 (40 - 100)
Nuts N' Bolts® 230 Yellow 100 - 200 ≥ 35 7.91 - 19.77 (70 - 175)
Nuts N' Bolts® 227 Red 10 - 25 ≥ 50 11.3 - 28.25 (100 - 250)
Nuts N' Bolts® 225 Red 100 - 250 ≥ 50 11.3 - 28.25 (100 - 250)
Nuts N' Bolts® 223 Red 1K - 2.5K ≥ 50 11.3 - 28.25 (100 - 250)
Nuts N' Bolts® 220 Green 10 - 25 ≥ 75 16.95 - 42.37 (150 - 375)
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