Engineering Adhesives
Thread Locking Adhesives
Delta threadlocking adhesives provide reliable fastening, sealing, and anti-vibration protection for threaded fasteners, helping prevent corrosion, rust formation, and failure caused by vibration and dynamic loading.
D33 - Penetrating Grade Adhesive
Delta D33 is a very low viscosity, medium-strength anaerobic threadlocking adhesive designed for capillary action on pre-assembled threaded parts. Ideal for sealing hairline cracks and securing small nuts, bolts, and precision fasteners, it delivers reliable locking performance while allowing disassembly with standard hand tools and localized heat when required. This penetrating grade threadlocker provides excellent resistance to vibration, heat, oils, and industrial environments, making it suitable for precision instruments, maintenance applications, and fine mechanical assemblies.
Product Code: D33
Adhesive Type: Penetrating anaerobic threadlocker
Size Options: 50ml, 250ml
Colour: Green
Strength: Medium (Can be disassembled)
Viscosity: Very low
Service Temperature Range: -55°C to +150°C
Handling Time: 20 minutes (Under ambient conditions)
Full Cure Time: 24 hours
D44 - Screw Grade Adhesive
Delta D44 is a low-strength anaerobic threadlocking adhesive designed for securing small screws and threaded fasteners while preventing loosening caused by vibration and movement. It is ideal for precision assemblies where reliable locking is required alongside easy adjustment or removal. The formulation allows components to be easily disassembled and repositioned using standard hand tools, while still providing effective anti-vibration performance and protection against mechanical loosening in a wide range of applications.
Product Code: D44
Adhesive Type: Low-strength anaerobic threadlocker
Size Options: 10ml, 50ml, 250ml
Colour: Purple
Strength: Low (Easy disassembly)
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 20 minutes (Under ambient conditions)
Full Cure Time: 24 hours
D66 - Stud Grade Adhesive
Delta D66 is a fast-curing, high-strength anaerobic threadlocking adhesive designed for bonding, sealing, and permanently securing threaded assemblies and retaining cylindrical components. Engineered for demanding industrial and automotive applications, it provides reliable locking performance on fasteners up to 1” (25mm) in diameter. The formulation delivers permanent anti-vibration protection, eliminating the need for double nutting or mechanical locking methods. Ideal for heavy-duty assemblies including transmission systems, engine blocks, and high-load mechanical components where maximum strength and durability are required.
Product Code: D66
Adhesive Type: High-strength anaerobic threadlocker
Size Options: 10ml, 50ml, 250ml
Colour: Red
Strength: High (Permanent grade)
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 5–10 minutes (Under ambient conditions)
Full Cure Time: 24 hours
D77 - Nut Grade Adhesive - WRAS Approved
Delta D77 is a fast-curing, medium-strength anaerobic threadlocking adhesive designed for bonding, sealing, and securing threaded assemblies and retaining cylindrical components in industrial and automotive applications. Formulated for use on less active metals such as stainless steel and plated parts, it provides reliable locking performance where standard grades may cure more slowly. The adhesive delivers an oil-resistant, semi-permanent lock that protects fasteners against vibration, corrosion, and mechanical loosening, while allowing disassembly with standard hand tools when required.
Product Code: D77
Adhesive Type: Medium-strength anaerobic threadlocker
Size Options: 10ml, 50ml, 250ml
Colour: Blue
Strength: Medium (Can be disassembled)
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 10–15 minutes (Under ambient conditions)
Full Cure Time: 24 hours
Thread Sealants
Delta anaerobic thread sealants replace traditional hemp and paste, solvent-based sealants, and PTFE tape, providing reliable pipe thread sealing with corrosion protection and vibration resistance. Available in liquid or gel form, they suit most thread sizes and create an instant low-pressure seal.
D333 - Pipe Sealant with PTFE
A high viscosity anaerobic thread sealant of low/medium strength designed to lock and seal metal threaded pipes and fittings. The high lubricating properties provide easy assembly with no galling on all types of metal threaded pipes and fittings. An immediate low-pressure seal is achieved once the fitting has been assembled.
Product Code: D333
Adhesive Type: Low/Medium strength, anaerobic thread sealant
Size: 50ml, 250ml
Colour: White
Strength: High / Paste
Viscosity: Medium
Service Temperature Range: -55°C to +200°C
Handling Time: 10-30 (Under ambient conditions)
Full Cure: 24 hours
D377 - Thread Sealant with PTFE - WRAS Approved (potable water use)
D377 is a high-strength permanent grade, anaerobic pipe thread sealant. It is widely used for locking and sealing metal threaded pipes and fittings in industrial and mechanical systems. The sealant cures in the absence of air between close-fitting metal surfaces, creating a secure, vibration-resistant seal that prevents loosening caused by shock and dynamic loads. Designed to seal against gases, water, LPG, hydrocarbons, oils, and a wide range of industrial chemicals, its thixotropic formulation prevents migration or drip during application and curing, ensuring reliable, leak-proof performance in pressurised systems.
Product Code: D377
Adhesive Type: High-strength, anaerobic thread sealant
Size: 50ml
Colour: Yellow
Strength: High (Permanent grade)
Viscosity: High / Paste
Service Temperature Range: -55°C to +150°C
Handling Time: 15-30 (Under ambient conditions)
Full Cure: 24 hours
D506 - Air Brake / Pipe Sealant with PTFE
A high performance anaerobic thread sealant designed for the locking and sealing of threaded pipes and fittings, while easing assembly due to the lubricating action of added PTFE. Packaged in a unique ‘concertina’ pack, giving easy application in even the most restricted areas, it is resistant to water, fuel, oils and most commonly encountered industrial fluids.
Product Code: D506
Size: 75ml
Colour: White
Strength: High / Paste
Viscosity: Very low
Service Temperature Range: -55°C to +150°C
Handling Time: 10-30 minutes in ambient conditions
Full Cure: 24 hours
D888 - Hydraulic Grade Thread Sealant
A fast curing, high performance anaerobic thread sealant for locking and sealing metal threaded pipes and fittings. The product acts to prevent loosening and subsequent leakage from shock and vibration. Ideally suited to the sealing of hydraulic pipes and fittings, as well as other industrial and engineering applications.
Product Code: D888
Size: 50ml, 250ml
Colour: Brown
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 10-30 minutes in ambient conditions
Full Cure: 24 hours
Retaining Compounds
Delta retaining compounds secure bearings, bushes and cylindrical parts into housings or shafts. Applied as a liquid, they form 100% contact between metal surfaces, allowing uniform load and stress distribution and eliminating the need for machining or other mechanical methods.
D22 - Bearing Grade Adhesive
A medium viscosity anaerobic adhesive for the retaining of bearings, cylindrical parts, bushes and oil seals that require later disassembly. Permits a sliding fit and eliminates distortion during assembly. The product offers high performance with controlled medium to high strength.
Product Code: D22
Size: 10ml, 50ml, 250ml
Colour: Yellow
Strength: Medium - can be disassembled
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 30 minutes in ambient conditions
Full Cure: 24 hours
D55 - High Strenght Retaining Grade Adhesive
A very high strength anaerobic retaining compound for use when a permanent bond is required between closely fitting parts that are subject to stress, such as locking bushings and sleeves on shafts and housings. Can be used on gaps approaching 0.25mm, therefore useful for locking badly fitting parts.
Product Code: D55
Size: 50ml, 250ml
Colour: Green
Strength: High - permanent bond
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 5-10 minutes in ambient conditions
Full Cure: 24 hours
D88 - Retaining Grade High Temperature Adhesive
A low viscosity, high strength anaerobic retaining compound designed to permanently bond rigid engineering assemblies. With a higher temperature resistance than other anaerobic compounds, it can be used where a heat build up is expected. Used for retaining bushings and sleeves on housings or shafts, as well as bearings, keys and splines. Increases the overall strength of any mechanical assembly.
Product Code: D88
Size: 10ml, 50ml, 250ml
Colour: Green
Strength: High
Viscosity: Low / Medium
Service Temperature Range: -55°C to +200°C
Handling Time: 60 minutes in ambient conditions
Full Cure: 24 hours
D560 - Quick Steel Retainer Repair
A creamy, non-running gel/paste adhesive/sealant formulated to repair worn machine parts. Restores correct fit to mating assemblies, enabling re-use of worn bearing seats, keys, splines, tapers, or for retaining shims. Eliminates the need for re-machining of worn parts.
Product Code: D560
Size: 75ml
Colour: Silver
Strength: High strength and high build qualities
Viscosity: High
Service Temperature Range: -55°C to +150°C
Handling Time: 10 minutes in ambient conditions
Full Cure: 24 hours
White Label Engineering Adhesives
Produced from the latest non-hazardous technology, incorporating a bespoke group of high purity raw materials. This unique future-proof technology ensures that the product label requires no hazard symbols or risk and safety phrases, and enables the product to comply with even the most stringent health and safety requirements.
D22WL - Bearing Grade Adhesive
A medium viscosity anaerobic adhesive for the retaining of bearings, cylindrical parts, bushes and oil seals that require later disassembly. Permits a sliding fit and eliminates distortion during assembly. The product offers high performance with controlled medium to high strength.
Product Code: D22WL
Size: 10ml, 50ml, 250ml
Colour: Yellow
Strength: Medium
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 30 minutes in ambient conditions
Full Cure: 24 hours
D88WL - Retaining Grade High Temperature Adhesive
A low viscosity, high strength anaerobic retaining compound designed to permanently bond rigid engineering assemblies. With a higher temperature resistance than other anaerobic compounds, it can be used where a heat build up is expected. Used for retaining bushings and sleeves on housings or shafts, as well as bearings, keys and splines. Increases the overall strength of any mechanical assembly.
Product Code: D88WL
Size: 50ml
Colour: Green
Strength: High
Viscosity: Low / Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 30 minutes
Full Cure: 24 hours
D888WL - Hydraulic Grade
A fast curing, high performance anaerobic thread sealant for locking and sealing metal threaded pipes and fittings. The product acts to prevent loosening and subsequent leakage from shock and vibration. Ideally suited to the sealing of hydraulic pipes and fittings, as well as other industrial and engineering applications. In addition, this product has excellent solvent resistance even at elevated temperatures.
Product Code: D888WL
Size: 50ml
Colour: Brown
Strength: High
Viscosity: Low
Service Temperature Range: -50°C to +150°C
Handling Time: 20 minutes
Full Cure: 24 hours
D44WL - Screw Grade
A low strength anaerobic adhesive, which is ideal for the thread locking of small screws to prevent them from loosening under vibration. Parts can be easily disassembled and repositioned using standard hand tools. Although low strength, the adhesive acts as a permanent anti-vibration solution for fasteners of all types.
Product Code: D44WL
Size: 50ml
Colour: Purple
Strength: Low - can be easily disassembled
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 20 minutes in ambient conditions
Full Cure: 24 hours
D66WL - Stud Grade
A fast curing, high strength anaerobic thread locking compound for bonding and sealing threads and retaining cylindrical parts in general industrial and automotive applications. Ideal for use on fasteners up to 1’’ (25mm) in diameter, providing permanent locking and eliminating the need for ‘double nutting’. Ideal for use with transmission and engine blocks in automotive applications.
Product Code: D66WL
Size: 50ml
Colour: Green
Strength: High, permanent
Viscosity: Low/Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 10+ minutes in ambient conditions
Full Cure: 24 hours
D77WL - Nut Grade
A fast curing, medium strength anaerobic thread locking compound for bonding and sealing threads and retaining cylindrical parts in general industrial and automotive applications. Ideal for use with less active materials, such as stainless steel or plated parts. Provides an oil-resistant, semi-permanent lock and seal to all engineering and automotive fasteners, which prevents corrosion.
Product Code: D77WL
Size: 50ml
Colour: Light blue
Strength: Medium, can be easily disassembled
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 20 minutes in ambient conditions
Full Cure: 24 hours