Description
Reliable Hold. Removable When Needed. Built for Professional Performance.
Würth Medium Strength Threadlocker is a high-performance screw retaining and sealing compound designed to prevent loosening caused by vibration, shock, or impact—while still allowing disassembly with standard tools. Engineered for professional maintenance, repair, and assembly applications across a wide range of industries.
Product Overview
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Size: 1.76 oz. DOS
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Type: Medium-strength, removable threadlocker
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Color: Fluorescent Blue
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Chemical Base: Dimethylacrylate
This versatile threadlocker cures reliably—even on untreated or uncleaned parts—and delivers outstanding resistance to chemicals and heat.
Key Features & Benefits
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Medium-strength connections for secure fastening
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Can be disassembled using normal tools
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Reliable curing on untreated parts
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Usable on uncleaned components (as delivered)
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Suitable for stainless steel and passive surfaces
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No accelerators or activators required
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Outstanding resistance to chemicals and heat
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Universal product with a wide range of applications
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Prevents loosening caused by vibration or impact
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No safety concerns associated with mechanical screw retainers
Physical Properties (Liquid State)
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Viscosity @ 77°F (Brookfield, RTV):
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5,000 – 7,000 mPas (spindle rpm 1/20)
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1,500 – 2,500 mPas (spindle rpm 3/20)
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Density: 1.12 g/cm³
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Maximum Thread Diameter: M36
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Maximum Gap Filling Capacity: 0.25 mm
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Flash Point: > 212°F
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Shelf Life: 1 year at room temperature
Physical Properties (Cured State)
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Hand-tight after: 5 – 15 minutes
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Usable after: 30 minutes – 1 hour
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Final strength after: 1 – 3 hours
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Initial Breakaway Torque: ~21 Nm
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Continuing Torque: ~10 Nm
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Pressure Shearing Strength (DIN 54452): 8 – 12 N/mm²
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Operating Temperature Range: -67°F to +302°F
Applications
Ideal for threaded fasteners that require secure retention with future removability, including:
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Automotive assemblies
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Industrial machinery
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Maintenance and repair operations
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Components exposed to vibration or shock
Würth Threadlocker – Medium Strength
Professional-grade fastening security you can trust—without permanent lock-in.