One-time purchase
To see product details, add this item to your cart.
Ships from: Amazon.com Sold by: Amazon.com
Subscribe & Save
$6.32 with 21 percent savings $6.32
First delivery on Oct 5 Deliver now
Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Learn more
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
| Brand | Loctite |
| Specific Uses For Product | Threadlocker |
| Material | Dimethylacrylate ester |
| Item Form | Liquid |
| Special Feature | Strong |
About this item
- Lock and Seal Fasteners: Prevents loosening of metal fasteners caused by vibration on small motors, mowers, and power equipment
- Prevents Rust and Corrosion: Protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
- Removable: Can be removed with hand tools
- Easy and Quick: Sets in 10 minutes and fully cures in 24 hours
- For 6-19mm Fasteners: Medium-strength formula for use on threads for 6mm to 19mm nuts and bolts
Frequently bought together

Customers who viewed this item also viewed
- Loctite 1329467 243 Blue Medium Strength Threadlockers, 1.69 Ounces, 50 mL, 3/4" ThreadFREE Shipping on orders over $35 shipped by AmazonGet it as soon as Thursday, Oct 1
- ESKONKE Thread Locker Blue 243 - Removable Threadlocker Metal Glue for Nuts, Bolts, Fasteners Medium Strength Screw Compound to Prevent Loosening & Corrosion 1.69 Oz/50 mlFREE Shipping on orders over $35 shipped by AmazonGet it as soon as Thursday, Oct 1
- Thread Lock Blue and Red, Threadlocker Medium and High Strength, Thread Locker for Nuts, Bolts, Fasteners and Metals, Against Losening and Leakage (50 mlx2)FREE Shipping on orders over $35 shipped by AmazonGet it as soon as Thursday, Oct 1
- GH1200-6gx2 Pack Thread Lock Medium and Strong Strength for Nuts, Bolts, and Metals, Threadlocker Lock Tight & Seal Fasteners with Stable and Consistent PerformanceFREE Shipping on orders over $35 shipped by AmazonGet it as soon as Thursday, Oct 1
- Permatex 24200 Medium Strength Threadlocker Blue, 6 ml, Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion, Removable With Hand ToolsFREE Shipping on orders over $35 shipped by AmazonGet it as soon as Thursday, Oct 1
- LOCTITE 242 Threadlocker for Automotive: High-Temp, Medium-Strength, Anaerobic | Blue, 6mL Tube (PN: 37418 - 487229)FREE Shipping on orders over $35 shipped by AmazonGet it as soon as Thursday, Oct 1
From the manufacturer
Threadlocker Blue
|
Threadlocker Red
|
|
|---|---|---|
| Customer Reviews |
4.8 out of 5 stars 43,437
|
4.8 out of 5 stars 11,480
|
| Size | 6 ml | 6 ml |
| Color | Blue | Red |
| Fastner size | 1/4" - 3/4" | Up to 1" |
| Torque (lbs./in.) break/prevail | 110/43 | 250/275 |
| Temperature range | -65°F (-54°C) to 300°F (149°C) | -65°F (-54°C) to 300°F (149°C) |
| Removable | With hand tools | Only removable with heat to nut or stud for 5 minutes at 450°F and with hand tools |
From the brand
Made to Succeed
From quick fixes to demanding projects, Loctite offers trusted solutions that help you choose confidently and do the job right.
-
Where Failure Is Not an Option
When the stakes rise, Loctite delivers the strength to perform under pressure.
-
Super Glues
-
Performance You can Trust
From everyday repairs to demanding projects, Loctite delivers lasting strength across materials and applications
-
Construction Adhesives
-
Foam
-
How do I choose the right Loctite product?
Start with the materials you are bonding, then choose a product designed for that project and application.
Should I use a liquid or gel super glue for a small repair?
Choose liquid for close-fitting, smooth surfaces and gel for vertical, porous or hard-to-reach repairs.
What should I use for installation or heavy-duty projects?
Use Power Grab for mounting and installation projects, and PL construction adhesives for more demanding, heavy-duty bonds.
-
A legacy of Innovation
For more than 50 years, Loctite has been a global leader in adhesive innovation. Available in more than 80 countries, our trusted portfolio brings advanced bonding technology to everyday repairs, creative projects and demanding home improvement applications.
Product information
| Specific Uses For Product | Threadlocker |
|---|---|
| Item Form | Liquid |
| Other Special Features of the Product | Strong |
| Container Type | Tube |
| Viscosity Level | Medium |
| Full Cure Time | 24 hours |
| Water Resistance Level | Water Resistant |
| Tensile Strength | 110 pounds_per_inch |
| Compatible Material | Metal |
| Item Package Quantity | 1 |
|---|---|
| Volume | 6 ml |
| Material Type | Dimethylacrylate ester |
|---|---|
| Color | Blue |
Feedback
Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack
Share:
Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive.
Where did you see a lower price?
Fields with an asterisk * are required
| Brand Name | Loctite |
|---|---|
| Model | Henkel / osi -tanch-it- |
| Unit Count | 1 Count |
| UPC | 079340242005 |
| Number of Pieces | 1 |
| Global Trade Identification Number | 00079340242005 |
| Manufacturer | Henkel Corporation |
| Included Components | Loctite Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single |
| Item Type Name | Blue 242 |
| Item Weight | 5 g |
| Part Number | 209728 |
| Warranty Description | Warranty |
| Best Sellers Rank |
|
| ASIN | B000I1RSNS |
| Customer Reviews |
4.8 out of 5 stars |
Product Description
Product Description
Loctite Threadlocker Blue 242 is designed to lock and seal threaded fasteners and prevent loosening from vibration. Ideal for 6-19mm fasteners, this unique formula is great for small motors, mowers, and power equipment. Loctite Threadlocker Blue 242 protects threads and prevents from leaks, rusting, and corrosion and eliminates the need to stock up on expensive lock nuts and washers. Fast and easy to use, this medium-strength threadlocker sets in just 10 minutes and fully cures in 24 hours. Loctite Threadlocker Blue 242 is particularly suited for applications on less active substrates such as stainless steel and plated surfaces, where disassembly is required for servicing.
From the Manufacturer
Loctite Threadlocker Blue 242 locks threaded metal fasteners against loosening from machine vibration. It prevents leaks and rusting of metal threads for 1/4- to 3/4-Inch (6 mm to 20 mm) nuts and bolts. Metal parts can be removed with hand tools for easy disassembly if necessary. Sets in 20 minutes and cures in 24 hours. Especially useful for small motors, mowers and many types of power equipment.
Product guides and documents
Safety and product resources
Safety documents
What's in the box
Top Brand: Loctite
Product summary presents key product information
Keyboard shortcut
shift
+
alt
+
opt
+
D
Product Summary: Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack
From Loctite
About this Item
- Lock and Seal Fasteners: Prevents loosening of metal fasteners caused by vibration on small motors, mowers, and power equipment
- Prevents Rust and Corrosion: Protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
- Removable: Can be removed with hand tools
- Easy and Quick: Sets in 10 minutes and fully cures in 24 hours
- For 6-19mm Fasteners: Medium-strength formula for use on threads for 6mm to 19mm nuts and bolts
Product Description
Options Available
Size
- 1 Pack
- 2 Pack
- 12 Pack
Style
- Blue (Removable)
- Red (Permanent)
- Red (Permanent) + Blue (Removable)
Important Information
Proposition 65 Warning for California Consumers
WARNING: This product can expose you to chemicals including arsenic (inorganic arsenic compounds) which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Proposition 65 Warning for California Consumers
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Proposition 65 Warning for California Consumers
WARNING: Cancer - www.P65Warnings.ca.gov
Product Guidance & Documents
Feedback
Did you find this product summary feature useful?


















