Double D Blanking Plugs - BLA378

Double D Blanking Plugs - 15.9mm Mounting Hole Diameter - 18.5mm Head Diameter - 10.3mm Overall Height - Black Nylon 6/6 | Vital Parts - BLA378

Our Double D Blanking Plugs are designed to provide a secure and low-profile seal for flat-sided panel holes, commonly known as Double D holes. These plugs are ideal for blanking off unused strain relief mounting holes in electrical enclosures, control units, and other industrial equipment. Manufactured from UL94V-2 rated Nylon 6/6, they offer excellent strength, heat resistance, and compliance with industry safety standards.

What are Double D Blanking Plugs?

Double D Blanking Plugs are specialised push-fit plugs made to fill panel holes with two opposing flat sides-often used for strain relief or keyed component mounts. These plugs are moulded from heat-stabilised Nylon 6/6 and feature built-in locking fingers that provide a firm grip. Their design ensures reliable sealing in applications requiring resistance to both temperature fluctuations and mechanical stress.

Key Features:

• Manufactured from high-performance Nylon 6/6 with UL94V-2 flame rating
• Designed specifically for Double D (flat-sided) hole profiles
• Temperature resistant from -40°C to 105°C
• Available in sizes from 9.5mm to 50.8mm
• Certified to UL and CSA standards

Key Applications and Industries

In the UK market, Double D Blanking Plugs are frequently used across various sectors where precision, safety, and compliance are essential:

• Electrical and electronics: For blanking strain relief mounting points in distribution boxes and cable systems
• Telecommunications: Sealing off unused ports and strain relief entry points
• Automotive: Used in dashboards and vehicle panels to seal keyed access points
• Industrial control systems: Closing mounting holes in control panels and enclosures
• Appliance manufacturing: For clean termination of unused connector ports or mounting slots

Technical Specifications

• Mounting Hole Diameter : 15.9mm
• To Prevent Rotation : 14mm
• Head Diameter : 18.5mm
• Overall Height : 10.3mm
• Colour : Black
• Material: Nylon 6/6 (UL94V-2 rated)
• Temperature resistance: -40°C to 105°C
• Certifications: UL Recognised, CSA Certified

Benefits:

• Provides a secure fit in non-circular mounting holes
• Quick and simple to install with no tools required
• Flush appearance enhances panel aesthetics
• Resistant to high temperatures and environmental conditions
• Certified for use in safety-critical environments

Why Buy from Vital Parts?

As a trusted UK supplier of high-quality fasteners and industrial components, Vital Parts offers a customer-first experience with benefits that include:

• Same-Day Dispatch: Fast and reliable shipping to keep your projects on track.
• Competitive Trade Pricing: Enjoy bulk discounts on larger orders to save more.
• Expert Technical Support: Our knowledgeable team is here to help with product selection and application advice.

Click here to view our full Guide to Plugs & Stoppers

Double D Blanking Plugs are the ideal solution for sealing off keyed or strain relief mounting holes with precision and durability. If you need assistance selecting the right size or would like to discuss custom options, contact our expert team at 01233 713581.