LOCTITE 243 50 ml THREADLOCKER MEDIUM STRENGTH BLUE
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Delivery to United States 5–8 business days
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- SKU
- LOC-243-50
- Brand
- LOCTITE
- Availability
- In Stock (2)
- Date Created
- 25/09/2026 12:55:03
- Date Last Updated
- 01/10/2026 10:15:47
- Manufacturer
- LOCTITE
- On Order
- 0
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- Price Last Updated
- 25/09/2026 12:56:41
- Stock Id
- 355208
- Weight Grams
- 80
FULL DESCRIPTION
Loctite 243 Medium Strength Threadlocker Blue 50 ml
Loctite 243 is a medium-strength threadlocker supplied in a 50 ml bottle for locking and sealing threaded fasteners. It helps prevent loosening from vibration and leakage through threaded assemblies while still allowing normal disassembly with standard hand tools. The formulation is suitable for active and passive metals, including stainless steel, aluminium and plated surfaces, and can be used on fasteners with minor oil contamination.
Key Features
- Locks and seals threaded fasteners
- Medium-strength hold for serviceable assemblies
- Allows normal disassembly with standard hand tools
- Suitable for active and passive metals
- Primerless use on stainless steel, aluminium and plated surfaces
- Tolerates minor contamination from oils on as-received fasteners
- Fluorescent for inspection after application
Specifications
- Package size: 50 ml
- Package format: Bottle
- Colour: Blue
- Product type: One-component anaerobic threadlocker
- Chemical base: Acrylic, dimethacrylate ester
- Viscosity characteristic: Thixotropic
- Fixture time: 10 minutes
- Typical breakaway torque on M10 steel nuts/bolts: 26 N·m
- Application temperature range: -55°C to 180°C
- Certification: NSF/ANSI 61
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
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