Description
LOCTITE® 603 is a high-strength retaining compound for the bonding of sintered bearings and cylindrical fitting parts where consistently clean surfaces cannot be assured.
- Pack size: 250ml bottle (Loctite no. 142443)
- Also available as: 10ml and 50ml bottle
Application
- Especially suitable for sintered bearings
Features
- Cures when confined in the absence of air (anaerobic)
- Prevents loosening and leakage due to shock and vibration
- High-strength retaining compound
- High oil tolerance
Technical specifications
| Agency Approvals / Specifications | NSF, WRAS |
| Colour | Green |
| Fixture Time | 10.0 min. |
| Gap Fill | 0.15 mm |
| Operating Temperature | -55.0 – 150.0 °C (-65.0 – 300.0 °F ) |
| Shear Strength, Steel | 26.0 N/mm² (3770.0 psi ) |
| Substrates | Metal: Steel |
| Viscosity | 125.0 mPa·s (cP) |
Hazard Information (CLP)

Signal word: Danger
Hazard Statements (H-phrases)
- H315: Causes skin irritation.
- H317: May cause an allergic skin reaction.
- H318: Causes serious eye damage.
- H335: May cause respiratory irritation.
- H412: Harmful to aquatic life with long lasting effects.
Precautionary Statements (P-phrases)
Prevention:
- P261: Avoid breathing vapors.
- P273: Avoid release to the environment.
- P280: Wear protective gloves/eye protection.
Response:
- P302+P352: IF ON SKIN: Wash with plenty of soap and water.
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
For Consumer Use:
- P101: If medical advice is needed, have product container or label at hand.
- P102: Keep out of reach of children.
- P501: Dispose of contents/container in accordance with national regulation.
Additional Information
No additional hazards if used properly.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






Vincenzo –
Everything’s great. Feels durable and well built. Super practical. Solid product, would buy again.
davide88 –
Everything excellent. Exactly what I needed. Packaging was excellent. Excellent workmanship.
elena_h –
Better than anything I’ve tried so far. Better than anything else I’ve tried before. Really noticed a difference after using it!
caroline.x –
Packaging was slightly damaged, but the product is excellent. Not too big, not too small, just right. No unpleasant smell, which I really appreciate.
Clara I. –
Very satisfied, better than I expected. I was skeptical, but now I’ll order it regularly. Better than anything I’ve tried so far.
Eva –
I was skeptical, but now I’ll order regularly. I noticed a difference after a short time!
charlotte_de –
Easy to use, no mess at all. Pleasant to use at home. Packaging slightly damaged, but the product is excellent. I’ve been using it for 2 weeks and I already see results!
Elena –
Surprisingly good quality for the price. Pleasant to use at home. Looks even nicer in real life. A friend recommended it; I’m very happy with the purchase.
chris_77 –
Product arrived well packaged. Great value for money. Great customer support.