Skip to content
Nuts · Trade series (cross dowel nuts) · Application guide

What Are Cross Dowel Furniture Nuts Used For?

Typical applications, the industries that specify cross dowel furniture nuts, and how to choose the right size, material and finish for the joint.

Cross Dowel Furniture Nuts are used for receiving a mating bolt through a perpendicular barrel hole in a furniture panel. They are manufactured to Trade series (cross dowel nuts), and the choice of size, property class and finish is driven by the load in the joint and the environment it sits in.

Primary duty
Receiving a mating bolt through a perpendicular barrel hole in a furniture panel
Governing standard
Trade series (cross dowel nuts)
Thread size range
M4 to M10
Category
Nuts

Application notes are general engineering guidance. Verify the property class and any approval requirement against your own design calculation.

What Are Cross Dowel Furniture Nuts Used For? application image

Cross Dowel Furniture Nuts are used primarily for receiving a mating bolt through a perpendicular barrel hole in a furniture panel. This page lists the industries and assemblies where they are specified, the selection criteria that matter for each application, installation practice, and the cases where a different fastener type is the correct choice. Parts are supplied to Trade series (cross dowel nuts). Stocked across roughly M4 to M10, they cover general to heavy-duty work.

Typical Applications for Cross Dowel Furniture Nuts

The most common settings where these are specified:

  • Flat-pack furniture: Cross dowel nuts clamp panels where the bolt enters perpendicular to the barrel.
  • Cabinet production: Galvanized and stainless barrels provide a hidden threaded joint.
  • Timber fixtures: The cross bore aligns a bolt through a blind or edge hole.
  • Repair carpentry: Metric sizes replace damaged knock-down connectors.

How to Specify Cross Dowel Furniture Nuts for Your Application

  • Size: Match the nominal size to the mating thread or hole. This product spans M4–M10; check the full table below for the exact dimensions of each size.
  • Locking & grade: Match the strength grade to the bolt, and choose a locking style (nyloc, all-metal, serrated flange) if the joint sees vibration.
  • Environment: For damp, coastal or chemical exposure prefer A4/316 stainless or a suitable coating; indoors, plated steel or A2 is usually sufficient.
  • Standard: This product is supplied to Trade series (cross dowel nuts). Quoting the standard on your order guarantees interchangeable dimensions between suppliers.

Installation & Assembly Practice

  • Run the nut down by hand before applying the wrench to catch cross-threading early.
  • Tighten the nut rather than the bolt head where access allows — the torque-to-preload relation is more consistent.
  • For locking styles, note that nyloc inserts are single-use in critical joints and lose grip above roughly 120 °C.

Common Selection Mistakes with Cross Dowel Furniture Nuts

  • Pairing a high-class bolt with a lower-class nut — the nut strips before the bolt reaches proof load; the nut class must meet or exceed the bolt class.
  • Using a plain nut with a spring washer in severe vibration instead of a prevailing-torque locking nut.
  • Re-using nyloc nuts in critical joints.

Where Cross Dowel Furniture Nuts Are Not the Right Choice

Not on their own — they need a matching bolt or stud — and a plain nut is not a substitute for a locking type under heavy vibration.

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

Request a Quote

The form below follows the current technical drawing configuration. Change the drawing values above and the request details update automatically.

Request a Quotation

Specification
Business Information

Dimensions & Specifications (Trade series (cross dowel nuts))

Thread sizeDiameter options (mm)Length options (mm)Body formMaterial options
M4615cross-drilled perpendicular barrelgalvanized steel / 1.4305 stainless steel
M5818cross-drilled perpendicular barrelgalvanized steel / 1.4305 stainless steel
M68 or 919cross-drilled perpendicular barrelgalvanized steel / 1.4305 stainless steel
M810~1222~60cross-drilled perpendicular barrelgalvanized steel / 1.4305 stainless steel
M1012~1620~50cross-drilled perpendicular barrelgalvanized steel / 1.4305 stainless steel
Inside the plant

Manufactured in our own plant

This part is cold-formed, threaded, heat-treated and finished in-house. The stages below are where its class and finish are actually decided.

  1. Wire rod feeding into a cold heading machine
    01

    Cold heading

    Wire rod is drawn to size and cold-formed into blanks. Forming rather than cutting keeps the grain flow continuous around the head, which is where a bolt is most likely to fail.

    Head dimensions and under-head radius checked at set-up and per shift.

  2. Thread rolling machine producing bolt threads
    02

    Thread rolling

    Threads are rolled between hardened dies rather than cut. Rolled threads are stronger in fatigue than cut threads and hold pitch and flank angle far more consistently across a batch.

    Go / no-go ring gauges to ISO 965 tolerance class 6g.

  3. Baskets of bolts staged for heat treatment
    03

    Heat treatment

    Quench-and-temper brings carbon and alloy steel to the property class ordered — 8.8, 10.9 or 12.9 — with the furnace charge tracked so a finished lot can be traced back to it.

    Core hardness and tensile tested per lot to ISO 898-1.

  4. Zinc plated bolts in a treatment basket
    04

    Surface treatment

    Zinc, zinc-nickel, hot-dip galvanizing, black oxide, phosphate and Dacromet, selected against the service environment rather than against the price list.

    Coating thickness and neutral salt spray hours to ISO 9227.

Frequently Asked Questions

Which industries use Cross Dowel Furniture Nuts?

They are commonly specified in cabinet production, timber fixtures and repair carpentry, among other sectors.

How do I choose the right size of Cross Dowel Furniture Nuts?

Match the nominal size to the mating thread or hole. This product is available from M4 to M10; the full dimension table on this page lists each size.

Do Cross Dowel Furniture Nuts need a locking feature?

If the joint sees vibration or cyclic load, use a locking style (nyloc, all-metal lock, or serrated flange) or a thread-locking adhesive. For static joints a standard nut tightened correctly is usually sufficient.

What material should Cross Dowel Furniture Nuts be for outdoor use?

For damp, coastal or chemical environments specify A4 (316) stainless or a suitably coated steel. For indoor or dry use, A2 (304) stainless or zinc-plated steel is normally adequate.

Can I get a quote for Cross Dowel Furniture Nuts in the size and material I need?

Yes. Use the technical drawing and quote form on this page to set the size and options, then send the exact configuration to our team for pricing and lead time.