Loctite Retaining Compounds

Exclusive UK Partner

Delivery

Next day delivery on in stock items ordered before 4.30pm

 

Product Description

  • Loctite 601 High Strength Low Viscosity

    LOCTITE® 601 is a green, anaerobic, low viscosity, medium cure speed, dimethacrylate ester-based retaining compound suitable for a max. diametrical clearance of 0.1 mm. It is a high strength product for applications that require a permanent bond. Fixture time on steel is 25 min and service temperature from -55ºC to +150ºC. Fluorescence allows product presence to be monitored.

Product Specification

Technology

Acrylic

Chemical Type

Dimethacrylate ester

Appearance (uncured)

Green liquidLMS

Components

One component –
requires no mixing

Viscosity Low
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

High

 

Product Description

  • Loctite 603 High Strength Low Viscosity Oil Tolerant

    LOCTITE® 603 is a high-strength retaining compound. Designed for the bonding of cylindrical fitting parts, especially for sintered bearings and also where consistently clean surfaces cannot be assured. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. It has a high oil tolerance.

    • Part Number
      • 10ml: 1967549
      • 50ml: 142442
      • 250ml: 142443
      • 1 litre: 323945
    • Next day delivery in stock items ordered before 4.30pm

      Exclusive UK Partner

Product Specification

Technology

Acrylic

Chemical Type

Urethane methacrylate

Appearance (uncured)

Green liquidLMS

Fluorescence

Positive under UV lightLMS

Components

One component –
requires no mixing

Viscosity Low
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

High

 

Product Description

  • Loctite 620 High Strength High Temperature

    LOCTITE® 620 is a retaining compound designed for the bonding of cylindrical fitting parts. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. Typical applications include locating pins in radiator assemblies, sleeves in pump housings and bearings in auto transmissions. Particularly suitable for applications where temperature resistance up to 200°C is required.

Product Specification

Technology

Acrylic

Chemical Type

Methacrylate ester

Appearance (uncured)

Green liquidLMS

Components

One component –
requires no mixing

Viscosity High
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

Medium to High

 

Product Description

  • Loctite 6300 Health & Safety Friendly High Strength

    LOCTITE® 6300 is designed for the bonding of cylindrical fitting parts. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. Also approved for use on bearings. Its key differentiator is the “White” Material Safety Data Sheet. LOCTITE 6300 carries no hazard symbols, risk or safety phrases and does not contain any declarable carcinogens, mutagens or reproductive toxins.

    • Part Number
      • 50ml: 1949014
      • 250ml: 1949015
    • Next day delivery in stock items ordered before 4.30pm

      Exclusive UK Partner

Product Specification

Technology

Acrylic

Chemical Type

Dimethacrylate ester

Appearance (uncured)

Green liquidLMS

Fluorescence

Positive under UV lightLMS

Components

One component –
requires no mixing

Viscosity Low
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

High

 

Product Description

  • Loctite 635 High Strength Slow Cure

    LOCTITE® 635 is a green, opaque liquid, 1-part, medium viscosity dimethacrylate ester threadlocker with high strength. It is designed for the bonding of cylindrical fitting parts. Typical applications include rotor to shafts in fractional and subfractional horsepower motors. Locks bushings and sleeves in housings on shafts. It augments press fits.

Product Specification

Technology

Acrylic

Chemical Type

Dimethacrylate ester

Appearance (uncured)

Green opaque liquidLMS

Fluorescence

Positive under UV lightLMS

Components

One component –
requires no mixing

Viscosity Medium
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

High

 

Product Description

  • Loctite 638 High Strength Fast Cure

    LOCTITE® 638 is designed for the bonding of cylindrical fitting parts, particularly with narrow bond gaps approaching 0.25 mm. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. It not only works on active metals but also on passive substrates, exhibiting robust cure performance. The product offers high-temperature performance and good oil tolerance, and tolerates minor surface contaminants.

    • Part Number
      • 10ml: 1918981
      • 50ml: 1803365
      • 250ml: 1803042
      • 2 litre: 1803367
    • Next day delivery in stock items ordered before 4.30pm

      Exclusive UK Partner

Product Specification

Technology

Acrylic

Chemical Type

Urethane methacrylate

Appearance (uncured)

Green liquidLMS

Fluorescence

Positive under UV lightLMS

Components

One component –
requires no mixing

Viscosity High
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

High

 

Product Description

  • Loctite 640 High Strength High Temperature Slow Cure

    LOCTITE® 640 is a green, anaerobic, low viscosity, methacrylate ester-based retaining compound ideal for parts requiring a longer positioning time. Fixturing time on steel is 2 h. Also used for active metals such as brass. This is a high strength product with good temperature resistance. Max. diametrical clearance is 0.1 mm and service temperature is -55 to +175ºC. Fluorescence allows product presence to be monitored.

Product Specification

Technology

Acrylic

Chemical Type

Urethane methacrylate

Appearance (uncured)

Green liquidLMS

Fluorescence

Positive under UV lightLMS

Components

One component –
requires no mixing

Viscosity Low
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

High

 

Product Description

  • Loctite 641 Bearing Fit Medium Strength

    LOCTITE® 641 is designed for the bonding of cylindrical fitting parts, particularly where disassembly is required for servicing operations. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. Ideal for parts that need subsequent dismantling, i.e. retention of bearings on shafts and in housings.

    • Part Number
      • 10ml: 267442
      • 50ml: 234863
      • 250ml: 234866
    • Next day delivery in stock items ordered before 4.30pm

      Exclusive UK Partner

Product Specification

Technology

Acrylic

Chemical Type

Methacrylate ester

Appearance (uncured)

Yellow liquidLMS

Fluorescence

Negative

Components

One component –
requires no mixing

Viscosity Medium
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

Medium

 

Product Description

  • Loctite 648 High Strength High Temperature Fast Cure

    LOCTITE® 648 is designed for the bonding of cylindrical fitting parts. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. It exhibits a robust curing performance. The product also works on passive substrates and offers high-temperature performance and good oil tolerance.

    • Part Number
      • 50ml: 1804416
      • 250ml: 1804971
      • 2litre: 1804391
    • Next day delivery in stock items ordered before 4.30pm

      Exclusive UK Partner

Product Specification

Technology

Acrylic

Chemical Type

Urethane methacrylate

Appearance (uncured)

Green liquidLMS

Fluorescence

Positive under UV lightLMS

Components

One component –
requires no mixing

Viscosity Low
Cure Anaerobic
Secondary Cure Activator
Application Retaining
Strength

High

 

Product Description

  • Loctite 649 High Strength High Temp Acrylic Acid Free

    LOCTITE® 649 is a green, anaerobic, low viscosity, high strength, methacrylate retaining compound whose safety-conscious formula contains no acrylic acid. Fixture time on steel is 10 min and maximum diametrical clearance is 0.1 mm. Service temperature is -55 to +175ºC. Fluorescence allows product presence to be monitored.

Product Specification

Technology

Acrylic

Chemical Type

Urethane methacrylate

Appearance (uncured)

Green liquidLMS

Fluorescence

Positive under UV lightLMS

Components

One component –
requires no mixing

Viscosity Low
Cure Anaerobic
Secondary Cure Activator
Application Retaining