

⚙️ Lock in strength, speed, and precision—because your projects deserve no compromises.
LOCTITE®638-50ml is a high-viscosity retainer adhesive designed for industrial-grade bonding of cylindrical parts like shafts, gears, and pulleys. It offers exceptional tensile shear strength (>25 N/mm²), rapid fixture time (4 minutes on steel), and reliable performance across a wide temperature range (-55°C to +150°C). Its advanced formula tolerates minor contaminants and oil, ensuring robust, long-lasting bonds in demanding mechanical applications.
| ASIN | B07D8WPV3M |
| Are batteries included? | No |
| Best Sellers Rank | #64,130 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #960 in Universal Adhesives |
| Brand | Loctite |
| Colour | Green |
| Customer Reviews | 4.9 4.9 out of 5 stars (29) |
| Date First Available | 1 June 2018 |
| Full Cure Time | 4 Minutes |
| Item Dimensions LxWxH | 10 x 10 x 15 Centimeters |
| Item Form | Paste |
| Item Height | 15 Centimeters |
| Item Package Quantity | 1 |
| Item Volume | 250 Millilitres |
| Item Weight | 200 g |
| Item Width | 10 Centimeters |
| Item model number | 638 |
| Manufacturer | Henkel Adhesive Technologies India Pvt Ltd. |
| Material | Epoxy Resin, Silicone |
| Model number | 638 |
| Net Quantity | 1 Count |
| Number of Memory Sticks | 1 |
| Package Information | Tube |
| Product Dimensions | 10 x 10 x 15 cm; 200 g |
| Special Feature | High temperature resistance |
| Specific Uses For Product | Cylindrical Parts Bonding, Shafts, Gears, Pulleys |
| Viscosity | High |
| Viscosity Level | High |
| Water Resistance Level | Water Resistant |
B**Y
Good value
A**R
Works as expected, great project
T**T
Quality brand and does what it's supposed to.
Trustpilot
1 week ago
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