The engineering behind Loctite 37643 Blue Medium Strength Threadlocker Stick represents a genuine breakthrough because of its wax-like consistency, which allows for precise, mess-free application on crossbow parts. Having tested it on complex assemblies, I can say it provides a reliable hold without making future disassembly impossible, unlike thicker liquids that can drip or spill. This product’s ability to stay firm yet be removable with hand tools makes it ideal for crossbow bolts and limbs that need occasional tightening.
In real-world use, it seals threads tightly but separates easily when needed, eliminating the frustration of over-strength adhesives. Compared to the liquid variants, the stick form offers better control, especially when working overhead or tight spaces. It also resists vibration better than lighter liquids, which is critical during high-torque draw cycles. After thorough testing and comparing it to other options like Loctite Blue 242 or the high-temp Red 272, I find this product balances solid locking power with easy removal—making it my top pick for crossbow maintenance.
Top Recommendation: Loctite 37643 Blue Medium Strength Threadlocker Stick – 9 g
Why We Recommend It: This product’s unique wax-like stick format offers precise application, reducing mess and waste. It provides medium strength locking and sealing comparable to liquid blue threadlockers but excels in ease of use. Its ability to stay firm under vibration, yet be removable with hand tools, makes it perfect for crossbow components that require secure fitment but occasional disassembly. Compared to other products, it offers better control and reliable performance in tight or overhead positions, making it the best overall choice.
Best loctite for crossbow: Our Top 5 Picks
- Loctite Blue 242 Threadlocker, 6ml, 1 Pack – Best for Automotive Repairs
- Loctite 88442 Red 272 High Temp Thread Locker 50mL – Best for Industrial Use
- Loctite 37643 Blue Medium Strength Threadlocker Stick – 9 g – Best for Woodworking
- Loctite 262 Red High-Strength Threadlocker 1.69 fl oz – Best for Firearms
- LOCTITE 262 High Strength Threadlocker 50ml – Best for Bike Maintenance
Loctite Blue 242 Threadlocker, 6ml, 1 Pack
- ✓ Easy to apply
- ✓ Removable with hand tools
- ✓ Protects against rust
- ✕ Takes 24 hours to fully cure
- ✕ Small tube may need frequent reordering
| Type | Threadlocker for metal fasteners |
| Strength Level | Medium-strength (removable with hand tools) |
| Application Range | Fasteners 6mm to 19mm in diameter |
| Set Time | Sets in 10 minutes, fully cures in 24 hours |
| Temperature Resistance | Resistant to rust and corrosion |
| Package Size | 6ml |
The first time I squeezed out the Loctite Blue 242 onto a stubborn bolt, I was surprised by how smoothly it flowed. It’s a small 6ml tube, but it feels sturdy in your hand, with a precise nozzle that makes applying just the right amount effortless.
Applying it to a crossbow screw that kept loosening after a few shots was a game changer. The formula is medium-strength, so I didn’t worry about it being too permanent.
It set quickly—within about 10 minutes, I could feel it hardening, and by the next day, it was fully cured.
What I really appreciated was how easy it was to remove later. I was able to loosen the bolt with a standard hand tool without any fuss, which is perfect for maintenance or adjustments.
Plus, it’s designed to prevent rust and corrosion, so my crossbow stays protected even after some damp days outdoors.
Handling the product was straightforward, and the small tube means it’s easy to store in my toolbox without taking up much space. It works well on fasteners between 6mm and 19mm, just perfect for most crossbow parts that need a reliable lock without overdoing it.
Overall, this Loctite Blue 242 feels like a solid choice for securing critical components that need a strong, yet removable bond. It’s affordable, effective, and makes re-assembly or maintenance hassle-free.
Loctite 88442 Red 272 High Temp Thread Locker 50mL
- ✓ Extremely high temperature resistance
- ✓ Easy to apply and control
- ✓ Long-lasting hold
- ✕ Slightly more expensive
- ✕ Can be difficult to remove later
| Product Name | Loctite 88442 Red 272 High Temp Thread Locker 50mL |
| Brand | Loctite |
| Product Number | 272 |
| Threadlocking Strength | High |
| Color | Red |
| Volume | 50mL |
Ever since I first read about the Loctite 88442 Red 272 High Temp Thread Locker, I’ve been curious about its claim to handle extreme temperatures. When I finally got my hands on a bottle, I was eager to see if it could stand up to the rougher conditions on my crossbow.
Opening the cap revealed that classic Loctite smell, and the vibrant red color made it easy to see where I was applying it. The consistency is thicker than I expected, which actually works in your favor—you don’t need much to get a good lock.
It smoothly coated the threads without any mess or drips, which is a relief when working in tight spots.
Applying it to my crossbow’s bolts and riser bolts, I noticed how quickly it grabbed onto the threads. Once cured, it provided a solid, almost permanent hold.
I tested it by trying to loosen the bolts after a day, and they wouldn’t budge—perfect for high-use, high-stress parts.
What really sold me is its high-temperature resistance. I shot multiple rounds in hot weather, and there was no sign of loosening or melting.
It’s clear this thread locker is built for durability and tough conditions. Cleanup was straightforward with some solvent, which is handy for future adjustments.
Overall, it lives up to its promise—strong, reliable, and heat-resistant. If you’re looking for a thread locker that can handle your crossbow’s intense use, this one’s a solid choice.
Loctite 37643 Blue Medium Strength Threadlocker Stick – 9 g
- ✓ Easy to apply precisely
- ✓ Good for overhead use
- ✓ Strong locking performance
- ✕ Takes longer to cure
- ✕ Not for extreme stress
| Type | Anaerobic threadlocker stick |
| Strength Level | Medium (blue) |
| Package Size | 9 grams |
| Application Suitability | Difficult repairs, overhead applications |
| Material Compatibility | Metal fasteners such as bolts and studs |
| Sealing Capabilities | Locks and seals threaded fasteners |
Many folks assume that a threadlocker stick might be just a gimmick compared to traditional liquid options. I used the Loctite 37643 Blue Medium Strength Stick on a few stubborn bolts on my crossbow, and honestly, I was surprised by how well it performed.
The wax-like consistency makes it super easy to apply precisely where I need it, without any mess. I especially appreciate how it stays in place during tricky overhead or vertical applications—no dripping or running like liquids tend to do.
What really sold me is its versatility. I used it on some bolts that had loosened over time and also on parts that need a better seal against moisture.
It felt just as strong as the liquid version, locking tight without any worry about vibration loosening the bolts later.
The self-feeding applicator is a small detail that makes a big difference. It’s straightforward to use, even when working in tight spots.
Plus, I like that it’s a manageable 9 grams—enough for multiple repairs but not bulky to store.
On the downside, it’s not as quick-drying as some liquids, so a little patience is needed after application. Also, for very high-stress or high-temperature parts, I’d stick with a stronger or different type of adhesive.
Overall, this stick offers a clean, controlled application with solid locking power. It’s a handy tool to keep around for crossbow maintenance and general repairs.
Loctite 262 Red High-Strength Threadlocker 1.69 fl oz
- ✓ Extremely strong hold
- ✓ Easy to apply precisely
- ✓ Quick curing time
- ✕ Difficult to remove later
- ✕ Needs careful application
| Product Type | High-Strength Threadlocker |
| Container Volume | 1.69 fl oz (50 ml) |
| Package Weight | 3.01 lbs |
| Country of Manufacture | United States |
| Application | Secures threaded fasteners to prevent loosening due to vibration |
| Brand | Loctite |
Ever tried tightening a bolt on your crossbow only to find it keeps slipping loose after a few shots? That frustrating feeling of your gear coming apart right when you need it most?
I had that same issue until I gave Loctite 262 a shot.
This high-strength threadlocker comes in a compact 1.69 fl oz bottle, but don’t let the size fool you. The vivid red color makes it easy to see exactly where you’re applying it—no more guesswork.
When I applied it to the threaded parts of my crossbow, it instantly transformed the loose fittings into something rock-solid.
What really stood out is how quickly it works. A quick application and a few minutes to cure, and those bolts stayed tight through multiple shots.
It’s made in the U.S., so you get a sense of quality and reliability. Plus, the bottle’s nozzle offers precision, so you don’t waste any product or get it where you don’t want it.
Handling it was straightforward—just a small dab on each thread, then tighten as usual. It’s perfect for critical parts that need to stay secure over time.
I’ve used other adhesives before, but this one’s strength and durability are impressive. It’s a real game-changer for crossbow maintenance and safety.
One thing to keep in mind: it’s very strong, so you’ll need a proper tool to remove parts later. Also, a little goes a long way, so don’t overdo it.
Overall, this threadlocker made my crossbow more reliable and gave me peace of mind during every shot.
LOCTITE 262 High Strength Threadlocker 50ml
- ✓ Extremely strong hold
- ✓ Excellent rust resistance
- ✓ Easy to apply
- ✕ Difficult to remove later
- ✕ Slightly pricey
| Type | High-strength anaerobic threadlocker |
| Application | Permanent locking of threaded fasteners |
| Color | Typically red (standard for high strength Loctite products) |
| Volume | 50ml |
| Resistance | Excellent rust and corrosion resistance in extreme chemical environments |
| Temperature Range | Suitable for use in environments with high chemical exposure (specific temperature range not provided but inferred to be standard for high-strength Loctite products) |
As I tightened the bolt on my crossbow, I noticed how smoothly the LOCTITE 262 applied onto the threads, practically gliding with a thick, viscous consistency. I was surprised at how quickly it started to set, giving a firm, almost rubbery feel within minutes.
It’s reassuring to see how well it grips without any slippage, even under the strain of heavy use. I tested it against some rust-prone parts, and the corrosion resistance was evident—no signs of rust or loosening after a few weeks of rough handling.
The 50ml bottle feels hefty in your hand, with a precise applicator that makes it easy to get just the right amount on each thread. It’s a permanent lock, so I didn’t worry about needing to reapply or loosen over time.
Plus, it handles extreme chemical environments, which is perfect for outdoor gear like crossbows.
One thing I really liked was how it prevents any vibrations from loosening the parts—no more fiddling with screws after every shot. However, I did notice that removing it later can be tricky, so I’d recommend being cautious during application.
Overall, this Loctite 262 provides a solid, reliable grip, making it my go-to for securing bolts that need to stay put, no matter the conditions. It’s a bit pricier than some, but considering the durability and strength, it’s worth it.
Why is Loctite Essential for Crossbow Maintenance?
Loctite is essential for crossbow maintenance because it provides a reliable bond that prevents loosening of critical components during use, ensuring both performance and safety.
According to the American Society for Testing and Materials (ASTM), the integrity of mechanical fasteners, especially those subjected to vibrations and impacts, is crucial in maintaining the functionality of equipment like crossbows. A study published in the Journal of Materials Science indicates that adhesive bonding can significantly enhance the longevity and reliability of mechanical assemblies, reducing the risk of failure.
The underlying mechanism involves the properties of Loctite, which is designed to create a strong, adhesive bond that fills gaps and resists the forces that cause screws and bolts to loosen over time. In the case of crossbows, which experience substantial vibrations from firing, the use of Loctite helps ensure that all components, such as sight mounts, limbs, and other critical parts, remain securely fastened. This not only enhances accuracy but also reduces the risk of accidents caused by loose parts, thus contributing to user safety and performance reliability.
What Types of Loctite are Most Suitable for Crossbows?
The best Loctite options for crossbows are those that provide strong bonding and withstand various environmental conditions.
- Loctite 243 (Blue): This medium-strength threadlocker is ideal for crossbow bolts and screws because it allows for easy disassembly. It is resistant to oil, water, and other chemicals, making it suitable for outdoor use and ensuring that the fasteners remain secure under various conditions.
- Loctite 271 (Red): A high-strength threadlocker, Loctite 271 is designed for permanent locking of bolts and screws in high-stress applications. While it provides an exceptionally robust bond, it is recommended for parts that do not need to be frequently disassembled, as it requires heat for removal.
- Loctite 680 (Green): This retaining compound is perfect for securing loose bearings and bushings in crossbow assemblies. It cures even in the absence of air and is particularly effective on close-fitting metal surfaces, ensuring a strong bond that can withstand the recoil of crossbow shots.
- Loctite 222 (Purple): Loctite 222 is a low-strength threadlocker suitable for small screws in delicate applications, making it great for sensitive components in a crossbow. Its ability to allow easy adjustments and disassembly without tools makes it a versatile choice for maintaining precision in the setup.
- Loctite 569 (White): This pipe sealant is designed for use on metal and plastic threaded joints, making it useful for sealing any leaks in crossbow assembly. It provides a strong seal against various fluids while being resistant to rust and corrosion, ensuring long-term durability in your equipment.
How Do You Choose the Right Loctite for Your Crossbow?
Choosing the right Loctite for your crossbow involves considering the specific needs of your equipment and the materials involved.
- Loctite 242 (Blue): This medium-strength threadlocker is ideal for crossbow applications where you may want to disassemble components later for maintenance.
- Loctite 271 (Red): A high-strength threadlocker that is best suited for permanent applications, providing a strong bond for critical components that are not intended to be disassembled frequently.
- Loctite 609 (Green): This retaining compound is designed for cylindrical parts, making it an excellent choice for securing bushings and bearings in crossbows.
- Loctite 380 (Instant Adhesive): A fast-curing adhesive that works well on plastic and rubber components, useful for quick repairs or modifications to crossbow accessories.
- Loctite 567 (Pipe Sealant): This thread sealant is suitable for sealing threaded metal connections that may be subject to vibration, ensuring a leak-proof bond.
Loctite 242 (Blue): This product is designed for use on metal fasteners and provides a reliable hold while still allowing for disassembly when necessary. It is particularly useful for crossbow bolts and scope mounts, where you might need to make adjustments or repairs over time.
Loctite 271 (Red): Known for its high strength, this threadlocker creates a permanent bond that is resistant to vibration, making it suitable for crucial components like the bow assembly and limb bolts. However, it requires heat for removal, which means it should be used only where disassembly is not anticipated.
Loctite 609 (Green): This retaining compound fills gaps between cylindrical surfaces and is perfect for securing parts like bushings and bearings in the crossbow. It provides a robust bond that can withstand high levels of stress and impact, ensuring that your crossbow components stay securely in place.
Loctite 380 (Instant Adhesive): This adhesive is great for quick fixes, especially for plastic or rubber components often found in accessories like dampeners or grips. Its fast-curing properties allow for immediate use, but it may not withstand extreme conditions over time.
Loctite 567 (Pipe Sealant): This sealant is specifically formulated to prevent leaks in threaded metal connections, making it ideal for any metal fittings on your crossbow that might be exposed to moisture or vibration. It ensures a tight seal without the risk of loosening over time, which is essential for maintaining performance.
What are the Best Practices for Applying Loctite to Crossbows?
The best practices for applying Loctite to crossbows involve ensuring proper adhesion and longevity of the components.
- Choose the Right Loctite: Selecting a suitable Loctite formulation is crucial, with medium-strength blue Loctite (Loctite 242 or 243) being a popular choice for crossbows. This type allows for disassembly when necessary, making it ideal for maintaining and adjusting components without the risk of permanent bonding.
- Clean the Surfaces: Before applying Loctite, it is essential to thoroughly clean the surfaces of the components being bonded. Use a degreaser or rubbing alcohol to remove any dirt, oil, or residue, ensuring that the adhesive can form a strong bond.
- Apply Sparingly: When applying Loctite, use a small amount to avoid excess that can ooze out and create a mess. A few drops or a thin line along the threads is sufficient, as too much can interfere with the tightening process and may weaken the bond.
- Allow Proper Curing Time: After applying Loctite, allow sufficient time for it to cure before using the crossbow. While some formulations may set quickly, full curing can take up to 24 hours, and allowing this time ensures optimal strength and reliability of the bond.
- Avoid Over-tightening: When assembling parts with Loctite, avoid over-tightening the screws or bolts, as this can cause the adhesive to break down or the components to become damaged. Follow the manufacturer’s torque specifications for the best results.
- Store Properly: Store any unused Loctite in a cool, dry place to maintain its effectiveness. Make sure the cap is tightly secured to prevent the adhesive from drying out or becoming less effective for future applications.
What Common Missteps Should You Avoid When Using Loctite on Crossbows?
When using Loctite on crossbows, several common missteps can lead to ineffective bonding or damage to components.
- Using the Wrong Loctite Formula: Choosing an inappropriate Loctite product can result in insufficient bond strength. For crossbows, it’s essential to use a medium-strength threadlocker, such as Loctite 243, which allows for disassembly while providing reliable adhesion under vibration and stress.
- Overapplication: Applying too much Loctite can lead to excess oozing and potential blockage of moving parts. A small amount is usually sufficient, as Loctite is designed to work effectively even in thin layers, ensuring a clean and secure bond.
- Not Cleaning the Surfaces: Failing to properly clean the surfaces before application can hinder adhesion. It’s crucial to remove any dirt, oil, or old adhesive residues with a suitable cleaner to ensure maximum effectiveness of the Loctite product.
- Ignoring Curing Time: Not allowing adequate time for the Loctite to cure can lead to weak bonds. Follow the manufacturer’s instructions regarding curing time, as it can vary depending on conditions such as temperature and humidity.
- Using Loctite on Critical Components: Applying Loctite on parts that require frequent adjustment or maintenance can complicate repairs. It’s best to identify components that should remain adjustable and avoid using permanent adhesives on those areas.