Slotted Raised Countersunk Barrel Nuts

Slotted Raised Countersunk Barrel Nuts also known as Interscrews or Sleeve Nuts are internally threaded fasteners that when used in conjunction with a male threaded fastener can be used to clamp two or more components securely together. They are a popular choice for furniture assembly, cabinetry and DIY projects where a neat and reliable fixing is required.

Manufactured from either A1 or A4 stainless steel these barrel nuts provide strength, durability and excellent corrosion resistance. The slotted drive makes them easy to install using a standard flat blade screwdriver and the raised countersunk head is designed to sit flush with the surface of the material giving a clean and professional finish.

Our Slotted Raised Countersunk Barrel Nuts are stocked in sizes ranging from M4 × 12 mm up to M8 × 20 mm. This range ensures compatibility with a wide variety of connector bolts and threaded fasteners used in furniture and structural applications.

We also supply Metric Threaded Fasteners, as well as Hex Socket and Pin Torx barrel nuts.

Key Product Features

• Manufactured from A1 or A4 stainless steel for strength and corrosion resistance
• Slotted head design for simple installation with a flat blade screwdriver
• Raised countersunk profile that sits flush for a neat surface finish
• Available in popular sizes from M4 × 12 mm to M8 × 20 mm
• Compatible with a wide range of connector bolts and fasteners

Commonly Used For

• Furniture assembly such as cabinets, wardrobes and bookcases
• Carpentry and cabinetry projects where a flush surface finish is important
• Shopfitting and displays requiring neat and secure joints
• DIY applications where strength and easy installation are needed

Also Known As

• Barrel Nuts
• Interscrews
• Sleeve Nuts
• Female Screws
• Chicago Screws
• Binder Screws
• Sex Screws

FAQs

Our Slotted Raised Countersunk Barrel Nuts are available in metric sizes ranging from M4 × 12 mm to M8 × 20 mm making them suitable for a wide range of furniture and joinery projects.

Installation is straightforward. Drill a clearance hole for the bolt and a cross hole to seat the barrel nut. Insert the nut so the countersunk head sits flush with the surface then align the internal thread using a flat blade screwdriver in the slot. Finally insert the connector bolt and tighten until secure.

A1 stainless steel is suitable for general indoor applications where corrosion resistance is required. A4 stainless steel offers a higher level of resistance to rust and chemicals making it better suited for outdoor or marine environments.

Need help with our range of Barrel Nuts? Give us a call on 01233 713 581.