M8 x 13mm Metal Type D Nuts | Zinc

The M8 x 13mm Type D Flanged Insert Nut is a heavy-duty self-tapping threaded insert engineered to provide a permanent, high-strength metric thread in timber and wood-based sheet materials. Manufactured from robust zinc alloy die-cast, these inserts create a secure fixing point for M8 machine screws and bolts, making them ideal for applications requiring reliable load-bearing performance and repeated assembly.

The self-cutting external thread enables quick installation by screwing directly into the prepared pilot hole, creating a strong mechanical bond without the need for adhesives. An integrated flange prevents the insert from being driven too deeply into the material while helping to protect finished or veneered surfaces from damage.

Suitable for both commercial manufacturing and maintenance applications, M8 Type D insert nuts offer outstanding resistance to pull-out, vibration and rotational forces, making them an excellent choice for demanding woodworking projects.

Key Features & Benefits

• Manufactured from durable zinc alloy die-cast
• M8 metric internal thread
• 13mm insert length
• Self-tapping external thread for fast installation
• Flanged design prevents over-insertion
• High pull-out strength in timber and sheet materials
• Excellent resistance to vibration and torsional loads
• Creates a permanent, reusable metal thread
• Allows repeated removal and refitting of machine screws
• No adhesive required
• Suitable for professional and DIY applications

Technical Specification

• Thread Size M8
• Insert Length 13mm
• Material Zinc Alloy Die Cast
• Finish Zinc
• Style Type D
• Head Type Flanged
• Installation Self-Tapping
• Internal Thread Metric
• Suitable Materials Solid Timber, MDF, Chipboard, Particleboard, Plywood, Hardwood, Softwood

Typical Applications

The M8 Type D insert nut is commonly used where a strong, reusable machine thread is required within wooden components or engineered wood panels.

Typical applications include:

• Furniture manufacturing
• Commercial cabinetry
• Office and educational furniture
• Shopfitting and retail displays
• Audio equipment and speaker cabinets
• Timber workstations
• Exhibition and display systems
• Storage units
• Industrial wooden fixtures
• Joinery projects
• Repair and refurbishment work
• General woodworking assemblies

Why Choose M8 Type D Flanged Insert Nuts?

Type D insert nuts provide a dependable fastening solution where conventional wood screws are unsuitable due to repeated assembly or higher load requirements. Once installed, the insert forms a durable metal thread that resists wear, allowing bolts or machine screws to be removed and reinstalled without damaging the surrounding timber.

The coarse external thread delivers excellent grip in wood-based materials, while the flange helps distribute installation pressure evenly, reducing the risk of splitting and ensuring a neat, professional finish. Their vibration-resistant design makes them particularly well suited to furniture, equipment and fixtures subjected to regular movement or servicing.

Available Sizes

Our range of flanged insert nuts are available in additional thread sizes and lengths to suit different timber thicknesses and application requirements. If you require a size or specification not shown online, please contact our technical sales team for availability.

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