Top 10 Thread Lock Medium – Thread Lock Sealers

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1. Permatex

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6 ml, Permatex 24200 Medium Strength Threadlocker Blue

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Permatex #ad - Suggested applications: valve cover bolts, drive shaft bolts, rocker arm adjustment nuts, oil pan bolts, water pump bolts, carburetor studs. Locks and seals while preventing parts loosening due to vibration. Ideal for all nut and bolt applications 1/4" to 3/4" 6mm to 20mm. Protects threads from corrosion. Removable with hand tools for easy disassembly.
BrandPermatex #ad
ManufacturerPermatex #ad
Height6.5 Inches
Length0.75 Inches
Weight0.06 Pounds
Width3.81 Inches
Part Number24200
Model24200
WarrantyNA

2. Interstate Pneumatics

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Interstate Pneumatics TRB750K 2 in 1 Thread Locker Kit Includes High/Medium Strength 50ml Each Bottle

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Interstate Pneumatics #ad - Lock threaded fasteners from loosening during shock and vibration, tr750 - ideal for 1/4" and 1" diameter nuts and bolts, cures in the absence of air without cracking and shrinking, TB750 - Ideal for 1/4" and 3/4" diameter nuts and bolts, Can be removed with hand tools, Single component with no curing outside of threads, prevents rusting of threads, Permanent seal prevents tampering.

Recommended for: tr750 - use on metal fasteners up to 1” 25 mm in diameter such as bolts on decks, TB750 - Use on metal fasteners 1/4" 6 mm to 3/4" 19 mm in diameter such as bolts on small engines, mounts, ready-to-assemble furniture, gear bolts and frame bolts, rings, swing sets and furniture. Volume: bottle contains 50ml 1. 69oz to minimize spill during shipment an oversize 100 ml bottle is used. Not recommended for: use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials, Use on plastic parts, particularly thermoplastic materials where stress cracking of the plastic could result.

Prevents loosening of metal fasteners caused by vibrations, torque prevailing on 3/8” steel tr750: 275 in-lb, size: 50ml 1. 69 fl oz, full cure temperature °f: 77, torque prevailing on 3/8” Steel TB750: 100 in-lb, Fixture Time: 10 min. Torque breakaway on 3/8” steel tr750: 190 in-lb, torque breakaway on 3/8” Steel TB750: 45 in-lb, Full Cure Time: 24 hr.
BrandInterstate Pneumatics #ad
ManufacturerInterstate Pneumatics #ad
Part Number8542048068
Model8542048068

3. Permatex

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0.34 oz., Permatex 24300 Surface Insensitive Threadlocker Blue

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Permatex #ad - Removable with hand tools for easy disassembly. Medium to high strength threadlocker for general-purpose applications. Prevents loosening due to vibration. Suggested applications: rocker studs, oil pans, disc brake calipers, intakes, rocker adjustment bolts and bolts on valve and cam covers, alternators, and pulley assemblies. Especially well-suited for 6mm to 20mm 1/4" to 3/4" fasteners that have a slight oil film.
BrandPermatex #ad
ManufacturerPermatex #ad
Height6.5 Inches
Length0.75 Inches
Width3.81 Inches
Part Number24300
Model24300

4. Vibra-TITE

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12250 122 Oil Tolerant Removable Anaerobic Threadlocker, Blue, 50 ml Bottle, Vibra-TITE

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Vibra-TITE #ad - Prevent leakage. Stop fasteners from loosening from shock and vibration. Performs better than lock washers, bevel washers and other forms of mechanical locking devices. Alleviates rust-lock. Lock and seal threaded fasteners.
BrandVibra-TITE #ad
ManufacturerND Industries #ad
Height6.7 Inches
Length2.7 Inches
Weight0.17 Pounds
Width1.3 Inches
Part Number12250
Model122

5. Vibra-TITE

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12150 121 Medium Strength Removable Anaerobic Threadlocker, Blue, 50 ml Bottle, Vibra-TITE

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Vibra-TITE #ad - Lock and seal threaded fasteners. Performs better than lock washers, bevel washers and other forms of mechanical locking devices. Prevent leakage. Stop fasteners from loosening from shock and vibration. Alleviates rust-lock.
BrandVibra-TITE #ad
ManufacturerND Industries #ad
Height0.4 Inches
Length7 Inches
Weight0.1 Pounds
Width5 Inches
Part Number12150
Model121

6. Loctite

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Blue 242, 0.2 oz, Loctite Heavy Duty Threadlocker, Single

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Loctite #ad - Locks and seals threaded fasteners that require disassembly. Protective design protects threads from rusting and corroding. Advanced formula prevents loosening of metal fasteners caused by vibrations. Medium-strength allows nuts and bolts to be removed with hand tools.
BrandLoctite #ad
ManufacturerHenkel #ad
Height0.5 Inches
Length4.8 Inches
Weight0.01 Pounds
Width3.4 Inches
Part Number209728
Model209728

7. Permatex

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Permatex 25210 High Strength Removable Orange ThreadLocker

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Permatex #ad - Use for: automobiles, Motorcycles, Heavy Equipment, Marine and Industrial Applications.3x the strength of Blue Thread locker. Permute orange thread locker ensures that pieces will not loosen or back out over time. Orange thread locker can be removed with hand tools and does not require heating to achieve removal. Ideal for High Vibration Applications.
BrandPermatex #ad
ManufacturerPermatex #ad
Height6.5 Inches
Length0.75 Inches
Weight0.06 Pounds
Width3.81 Inches
Part Number25210
Model25210

8. FlareSeal

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Refrigerant, HVAC, 1/4" …, Ductless or Mini Split. Thread Lock Coated Copper Gasket Crush Seal 10, FlareSeal 10 Pack 1/4" Model FS04-10PK Leak Free SAE Flare Connections, Refrigeration

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FlareSeal #ad - Trusted by many Original Equipment Manufacturers for their leak free equipment. Eliminates flare leaks in Existing Flare Fitting or New Systems. Easy installation - Clips Onto Male Flare. Variety of sizes to address any SAE 45 degree flare connection.
BrandFlareSeal #ad
ManufacturerFlareSeal, LLC #ad

9. J-B Weld

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J-B Weld 27136 Perma-Lock High Strength Threadlocker, Red, 36 ml

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J-B Weld #ad - Choose the product pros trust for your project. Red high strength: provides a superior lock and seal for threaded fasteners. Jb weld delivers the legendary performance of the World's Strongest Bond.

Ideal on mechanical parts, body assemblies, & heavy duty applications to prevent loosening from severe shock and vibration. What the professionals use: builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Heating and hand tools are required to separate parts. Do it yourself: big or small, you can diy it with j-b.

Easy to use: high strength threadlocker is ideal for heavy-duty applications requiring resistance to severe shock and vibrations. Dependable & versatile: perfect for use on rocker arms, frame bolts, fasteners and bushings, stud bolts, loose screws and any other vibration sensitive item. Our heavy duty adhesives repair & restore it right the first time.
BrandJ-B Weld #ad
ManufacturerJ-B Weld #ad
Height5.43 Inches
Length2.05 Inches
Weight0.13 Pounds
Width1.38 inches
Part Number27136
Model27136
Warrantyno warranty

10. Loctite

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50 mL, 1.69 oz., Loctite 1329467 243 Blue Medium Strength Threadlockers, 3/4" Thread

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Loctite #ad - Oil-tolerant curing on as-received fasteners without cleaning. Color: Blue. A general-purpose, medium-strength threadlocker with improved oil tolerance. Size: 50 ml. Characteristic odor.
BrandLoctite #ad
ManufacturerLoctite #ad
Height0.28 Inches
Length0.67 Inches
Weight0.11 Pounds
Width0.12 Inches
Part Number1329467
Model442-1329467