LOCTITE® 268
Features and Benefits
Available sizes:
- Convenient stick format prevents dripping
- High bond strength
- Prevents loosening on vibrating assemblies, e.g., pumps, gear boxes, or presses
- Works on all metals, including passive substrates (e.g., stainless steel, aluminum, plated surfaces) without primer
- Suitable for use on most oil-coated, “as-received” fasteners without cleaning
- Can be disassembled by heating to 300°C
Documents and Downloads
- Stick 5.0/case - IDH 826035
- Stick 10.0/case - IDH 826036
Size Case: Stick
Quantity: 5.0/case
Download SDS
Download RoHs
Size Case: Stick
Quantity: 10.0/case
Download SDS
Download RoHs
Looking for a TDS or SDS in another language?
Technical Information
| Application temperature | -65.0 - 300.0 °F (-55.0 - 150.0 °C ) |
| Breakaway torque, Breakloose torque | 10.0 N·m (90.0 in./lb. ) |
| Color | Red |
| Fixture time | 5.0 min. |
| Physical form | Semi-solid stick |
| Recommended for use with | Metal: steel, Metal: steel - stainless steel |
How to
Step by Step Guide
1. Preparation - Cleaning
LOCTITE 268 is suitable for use on most “as-received” fasteners with light coatings of corrosion prevention oils without cleaning. However, for heavily oiled or contaminated fasteners, it is recommended to use LOCTITE® SF 7070 to degrease and clean surfaces prior to applying LOCTITE 268 threadlocker.
2. Preparation - Activation
If cure speed is too slow due to passive metals (stainless steel, aluminum and plated metals) or low temperature (below 5°C), use LOCTITE® SF 7649 activator. Allow to dry.
3a. Application - Through Hole
Apply a 360 degree band of threadlocker to the male fastener at the area of engagement and completely fill the thread roots - generally the width of 2-3 threads. Assemble nut and tighten to proper torque.
3b. Application - Blind Hole
Apply threadlocker to entire diameter of thread engagement area on male fastener, install fastener into blind hole, and tighten to proper torque.
4. Assembly
Assemble and tighten to proper torque requirement. If several bolts are being assembled, torque them down to the correct value within the fixture time window.
5. Disassembly
Disassemble with standard hand tools. If not possible, apply localized heat to approximately 500°F/260°C and disassemble while hot.
Frequently Asked Questions
What products can I use to prevent vibration loosening of parts? How do I prevent vibration loosening and leak paths?
What temperatures can threadlockers/thread sealants/gasketing materials work up to?
Are LOCTITE® threadlockers resistant to fluids such as gasoline, diesel, engine oil, water, glycol, acids, alkalis, hydraulic fluid, etc.?
Can threadlockers be used as thread sealants? Can thread sealants be used as threadlockers?
What health and safety (H&S) precautions do I need to take with this type of product?
LOCTITE® 268