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Primerless Medium-Strength Threadlocker, For Material Type Aluminum, Brass, Bronze, Copper, Iron, Manganese, Monel, Nickel, Plated Metals, Stainless Steel, Steel, Zinc, Threadlocking Strength Medium, Color Blue, Series 243, Container Size 0.34 fl oz, Container Type Bottle, For Maximum Thread Diameter 3/4 in
Item #:
77481263
Loctite® 243™ Threadlocker Primerless Threadlocker 243, 10mL, Blue 243(TM)
Item #:
77481263
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Primerless Medium-Strength Threadlocker, For Material Type Aluminum, Brass, Bronze, Copper, Iron, Manganese, Monel, Nickel, Plated Metals, Stainless Steel, Steel, Zinc, Threadlocking Strength Medium, Color Blue, Series 243, Container Size 0.34 fl oz, Container Type Bottle, For Maximum Thread Diameter 3/4 in
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What Stands Out
Primerless Formula
Loctite® 243™ offers a primerless application, simplifying usage and saving time, making it ideal for various metal bonding tasks without the added step of applying a primer.
Medium Strength
This threadlocker provides medium strength, ensuring secure locking of threaded fasteners while allowing for easy disassembly, balancing reliability and convenience for users in maintenance situations.
Versatile Use
Designed for metal fasteners, Loctite® 243™ is perfect for automotive, machinery, and other applications, addressing diverse needs and enhancing reliability across various installations and repairs.
Product Details
- Medium-strength threadlocker in a 10mL bottle
- Suitable for use on aluminum, brass, stainless steel, and other materials
- Blue color with oil-tolerant and primerless properties
- Working time of 10 minutes and breakaway torque of 230 in-lb
- Cure type: Anaerobic, with a temperature range of -65°F to 360°F
- Container size: 0.34 fl oz, with a viscosity of 1300 to 3000 cP
| Industrial sealant type | Threadlocker |
| Dry time | 24 h |
| Brand | Loctite |
| Color | Blue |
| Volume capacity | 0.34 fl oz |
| Material | Aluminum, Brass, Bronze, Copper, Iron, Manganese, Monel, Nickel, Plated Metals, Stainless Steel, Steel, Zinc |
| Weight | 1.6 oz (45.36 grams) |
| Size | 10 mL |
| Pieces | 1 |
| Has written warranty | No |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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DIY Enthusiasts
Ideal for home projects requiring secure fastening, preventing loosening from vibration and temperature changes.
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Automotive Repair
Great for securing bolts and fasteners in automotive applications to withstand movement and stress.
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Professional Mechanics
Suitable for workshop use, offering reliable bonding for heavy machinery and equipment maintenance tasks.
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High-Temperature Jobs
Not suitable for applications exposed to extreme heat beyond the product's specified temperature limit.
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Plastic Components
Not recommended for use on certain plastics which may degrade or react negatively with the adhesive.
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Temporary Applications
Not ideal for situations where temporary fastenings are required, as it provides a strong permanent bond.
Product Description
Loctite® 243™ Threadlocker Primerless Threadlocker 243, 10mL, Blue 243(TM)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this threadlocker suitable for aluminum?
Answer: Yes, it is suitable for aluminum among other materials. -
Question:
What is the working time range of this threadlocker?
Answer: The working time range is between 6 to 10 minutes. -
Question:
Is this threadlocker primerless?
Answer: Yes, it is primerless.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Features & Benefits
- Primerless medium-strength threadlocker
- Suitable for a wide range of materials
- Medium threadlocking strength
- Blue color
- Container size of 0.34 fl oz
- Suitable for threads up to a maximum diameter of 3/4 in
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