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Threadlocking Adhesive - low strength. Easy disassembly. Suitable for all metal threaded assemblies.

LOCTITE® 401 is designed for the assembly of difficult - to - bond materials which require uniform stress distribution and strong tension and/or shear strength. The product provides rapid bonding of a wide range of materials, including metals,
plastics and elastomers. LOCTITE® 401 is particularly suited for bonding porous or absorbent materials such as wood, paper, leather and fabric.

LOCTITE® 641 is designed for the bonding of cylindrical fitting parts, particularly where disassembly is required for service operations. Typical applications include retention of bearings onto shafts and into housings.

LOCTITE® 638 is designed for the bonding of cylindrical fitting parts, particularly where bond gaps can approach 0.25 mm (0.01 in.) and where maximum strength at room temperature is required. Typical applications include locking bushings and sleeves into housings and on shafts.

LOCTITE® 290 is designed for the locking and sealing of threaded fasteners. Because of its low viscosity and capillary action, the product wicks between engaged threads and eliminates the need to disassemble prior to application. The product can also fill porosity in welds, casting and powder metal parts.

LOCTITE® 277 is designed for the permanent locking and sealing of threaded fasteners. Typical applications include the locking and sealing of large bolts and studs (M25 and larger).