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: 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: 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: 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: Anaerobic thread sealant
Size: 50ml, 250ml
Colour: White
Strength: Low/Medium
Viscosity: High
Service Temperature Range: -55°C to +200°C
Handling Time: 10-30 minutes (Under ambient conditions)
Full Cure: 24 hours
D355 - Pipe Sealant Oxygen Safe
D355 is a high-performance single-component anaerobic threadlocker designed for locking and sealing threaded metal fasteners such as nuts, bolts, screws, and studs. It effectively prevents loosening caused by vibration, shock, and mechanical stress in industrial and automotive applications. Ideal for both standard and large threaded assemblies and delivers fast curing performance even at low temperatures.
Product Code: D355
Adhesive Type: Methacrylic Anaerobic Resin
Size: 50ml
Colour: Green
Strength: High
Viscosity: Medium
Service Temperature Range: -50°C to +150°C
Handling Time: 10-30 minutes (Under ambient conditions)
Full Cure: 12-24 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: 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 minutes (Under ambient conditions)
Full Cure: 24 hours
D506 - Air Brake / Pipe Sealant with PTFE
Delta 506 is a high-performance anaerobic thread sealant designed for locking and sealing metal threaded pipes and fittings in industrial and automotive systems. The sealant cures in the absence of air between close-fitting metal surfaces, creating a durable, leak-proof seal that resists vibration, pressure, and temperature extremes. Formulated with PTFE for enhanced lubrication and anti-galling protection, Delta 506 is ideal for sealing air brake systems, hydraulic connections, fuel lines, and general pipe fittings. Its thixotropic formulation prevents migration during application, ensuring reliable sealing performance for water, oils, fuels, and other industrial fluids.
Product Code: D506
Adhesive Type: Anaerobic thread sealant
Size: 75ml
Colour: White
Strength: High (Paste)
Viscosity: Very low
Service Temperature Range: -55°C to +150°C
Handling Time: 10-30 minutes (Under ambient conditions)
Full Cure: 24 hours
D888 - Hydraulic Grade Thread Sealant
Delta 888 Hydraulic Grade Sealant is a high-performance anaerobic thread sealant engineered for locking and sealing metal threaded pipes and fittings in hydraulic and industrial systems. The sealant cures rapidly when confined between close-fitting metal surfaces in the absence of air, forming a strong, leak-proof seal that prevents loosening caused by vibration, pressure, and mechanical shock. Designed for demanding industrial environments, Delta 888 provides excellent resistance to water, oils, LPG, hydrocarbons, and a wide range of chemicals. Its low-viscosity formulation allows easy penetration into threads, ensuring reliable sealing performance in hydraulic equipment, process plants, and industrial pipework systems.
Product Code: D888
Adhesive Type: Anaerobic thread sealant
Strength: High
Size: 50ml, 250ml
Colour: Brown
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 10-30 minutes (Under ambient conditions)
Full Cure: 24 hours
Retaining Compounds
Delta retaining compounds are designed to securely bond and retain bearings, bushes, and cylindrical parts into housings or onto shafts. Applied as a liquid anaerobic adhesive, they cure between close-fitting metal surfaces to create 100% contact, ensuring uniform load distribution and improved joint strength.
D22 - Bearing Grade Adhesive
Bearing grade adhesive is a medium-viscosity anaerobic adhesive designed for retaining bearings, bushes, cylindrical parts, and oil seals where future disassembly may be required. The formulation allows a controlled sliding fit during assembly, reducing component distortion and ensuring precise alignment. Engineered for industrial and engineering applications, the adhesive provides high performance with controlled medium-to-high strength, delivering reliable bonding and load distribution for cylindrical assemblies.
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 (Under ambient conditions)
Full Cure: 24 hours
D55 - High Strength Retaining Grade Adhesive
D55 is a very high-performance anaerobic adhesive designed for permanent bonding of closely fitting cylindrical parts such as bushings, sleeves, shafts, and housings. The adhesive cures in the absence of air between metal surfaces to create an extremely strong bond capable of withstanding high loads and mechanical stress. With gap-filling capability up to 0.25 mm, this retaining compound is ideal for securing worn or poorly fitting components, providing a reliable solution for industrial assemblies where permanent retention and maximum strength are required.
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 (Under ambient conditions)
Full Cure: 24 hours
D88 - Retaining Grade High Temperature Adhesive
D88 is a high-strength anaerobic adhesive designed for permanently bonding rigid engineering assemblies. The adhesive cures between close-fitting metal surfaces to create a durable bond that strengthens cylindrical components and prevents movement under load. With enhanced temperature resistance compared to standard anaerobic compounds, it is ideal for applications where heat build-up is expected. Commonly used for retaining bushings, sleeves, bearings, keys, and splines on shafts or housings, it improves the overall strength, reliability, and performance of mechanical assemblies in demanding industrial environments.
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 (Under ambient conditions)
Full Cure: 24 hours
D560 - Quick Steel Retainer Repair
D560 is a non-sag, high-performance anaerobic adhesive and sealant designed for repairing worn machine parts and restoring correct fit in mechanical assemblies. Its creamy, non-running paste formulation fills gaps and rebuilds tolerances, allowing the re-use of worn bearing seats, keys, splines, tapers, and shims. Engineered for maintenance and repair applications, this retaining compound eliminates the need for costly re-machining while improving the strength, alignment, and reliability of worn components in industrial equipment.
Product Code: D560
Size: 75ml
Colour: Silver
Strength: High
Viscosity: High
Service Temperature Range: -55°C to +150°C
Handling Time: 10 minutes (Under ambient conditions)
Full Cure: 24 hours
White Label Engineering Adhesives
White Label Products are developed using advanced non-hazardous adhesive technology and high-purity raw materials, ensuring safe and reliable performance in industrial applications. Its innovative formulation eliminates the need for hazard symbols and risk or safety phrases on the label, supporting compliance with stringent global health and safety regulations.
D22WL - Bearing Grade Adhesive
Delta's white-label bearing grade adhesive is a medium-viscosity anaerobic adhesive designed for securing bearings, bushes, cylindrical parts, and oil seals where controlled disassembly is required. The formulation allows a smooth sliding fit during assembly, reducing distortion and ensuring precise alignment of components. Engineered for industrial applications, it delivers high performance with controlled medium-to-high strength, providing reliable retention, improved load distribution, and long-term durability in mechanical assemblies.
Product Code: D22WL
Size: 50ml
Colour: Yellow
Strength: Medium
Viscosity: Medium
Service Temperature Range: -55°C to +150°C
Handling Time: 30 minutes (Under ambient conditions)
Full Cure: 24 hours
D88WL - Retaining Grade High Temperature Adhesive
Delta's white-label retaining grade adhesive is a high-strength anaerobic adhesive designed for the permanent bonding of rigid engineering assemblies. The low-viscosity formulation enables deep penetration into tight-fitting metal components, ensuring strong, reliable bonding. With enhanced temperature resistance compared to standard anaerobic adhesives, it is ideal for applications where heat build-up is expected. Commonly used for retaining bushings, sleeves, bearings, keys, and splines on shafts or housings, it improves load distribution and significantly increases the strength and durability of mechanical assemblies in demanding industrial environments.
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 Sealant
Delta's white-label hydraulic grade adhesive is a fast-curing, high-performance solution for locking and sealing metal threaded pipes and fittings in industrial and hydraulic systems. The sealant cures in the absence of air between close-fitting metal surfaces, creating a durable, leak-proof seal that prevents loosening caused by vibration, pressure, and mechanical shock. Ideal for hydraulic pipes, fittings, and general engineering applications, it offers excellent resistance to solvents and chemicals, maintaining reliable sealing performance even at elevated temperatures in demanding environments.
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 Threadlocker
Delta's white-label screw-grade adhesive is an anaerobic low-strength threadlocker designed for securing small screws and fasteners while preventing loosening caused by vibration and movement. The adhesive cures between close-fitting metal threads to create a reliable anti-vibration lock without compromising ease of removal. Ideal for precision components and light-duty assemblies, it allows easy disassembly and repositioning using standard hand tools while still providing consistent, long-lasting fastening performance across a wide range of applications.
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 (Under ambient conditions)
Full Cure: 24 hours
D66WL - Stud Grade Threadlocker
Delta's white-label stud-grade adhesive is a fast-curing anaerobic high-strength threadlocker designed for bonding and sealing threaded fasteners and retaining cylindrical parts in industrial and automotive applications. It cures between close-fitting metal surfaces to create a permanent, vibration-resistant lock that prevents loosening and leakage. Suitable for fasteners up to 25 mm (1”) in diameter, this high-performance thread locking compound eliminates the need for double nutting or mechanical locking methods. Ideal for use in transmission systems, engine blocks, and heavy-duty assemblies, it delivers maximum strength and long-term reliability in demanding environments.
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 (Under ambient conditions)
Full Cure: 24 hours
D77WL - Nut Grade Threadlocker
Delta's white-label nut-grade adhesive is a fast-curing medium-strength threadlocker anaerobic adhesive designed for bonding and sealing threaded fasteners and retaining cylindrical parts in industrial and automotive applications. It cures between close-fitting metal surfaces to create a durable, vibration-resistant, semi-permanent lock. Formulated for use on less active materials such as stainless steel and plated components, this thread locking compound provides excellent oil resistance and corrosion protection. Ideal for engineering and automotive fasteners, it ensures reliable performance while still allowing controlled disassembly when required.
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 (Under ambient conditions)
Full Cure: 24 hours
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