---
title: "What Are Upholstery Tacks Used For?"
description: "Upholstery Tacks (Trade series (upholstery tacks)) are used for securing fabric, padding or visible trim to a wood frame with a matched tack head and length."
url: https://engineeringhardware.com/applications/upholstery-tacks/
source: Engineering Hardware & Fasteners
---

# What Are Upholstery Tacks Used For?

Nails · Trade series (upholstery tacks) · Application guide

Typical applications, the industries that specify upholstery tacks, and how to choose the right size, material and finish for the joint.

Upholstery Tacks are used for securing fabric, padding or visible trim to a wood frame with a matched tack head and length. They are manufactured to Trade series (upholstery tacks), and selection is driven by the nominal diameter, the fit and tolerance the assembly requires, and the service environment.

- **Primary duty:** Securing fabric, padding or visible trim to a wood frame with a matched tack head and length
- **Governing standard:** Trade series (upholstery tacks)
- **Category:** Nails

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

![What Are Upholstery Tacks Used For? application image](https://engineeringhardware.com/wp-content/uploads/2026/09/Upholstery-Tacks.webp)

Upholstery Tacks (Trade series (upholstery tacks)) are specified where the joint requires securing fabric, padding or visible trim to a wood frame with a matched tack head and length. The sections below cover the typical end-uses by industry, the size and material decisions for each, assembly practice, and the applications this fastener type is not suited to.

## Typical Applications for Upholstery Tacks

The most common settings where these are specified:

- **Furniture upholstery:** Steel and copper tacks secure fabric, padding and trim to a wood frame.
- **Restoration work:** Trade sizes provide a direct replacement for exposed upholstery tacks.
- **Decorative trim:** Head diameter sets the visible finish on the fabric edge.
- **Cabinet and seat work:** Length is selected from the fabric and backing stack.

Product catalog

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[View all Common, Ring-Shank & Specialty Nails →](https://engineeringhardware.com/fastener-products/nails-staples-tacks/common-ring-shank-specialty-nails/) [Full product catalog](https://engineeringhardware.com/products/)

## How to Specify Upholstery Tacks for Your Application

- **Size:** Match the size to the mating part — see the dimension table below for each option.
- **Material:** Choose the material and finish for the service environment — plated steel for general use, stainless for corrosion resistance.
- **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 (upholstery tacks). Quoting the standard on your order guarantees interchangeable dimensions between suppliers.

## Where Upholstery Tacks Are Not the Right Choice

Not for joints needing later removal or high withdrawal resistance — a screw holds far better in tension.

Custom manufacturing · Made to drawing

## Need a upholstery tacks outside the standard range?

A non-standard nail is quoted from the drawing; where one already exists in the catalog, the special is usually a variation on its tooling.

Minimum order from 2,000 pieces; samples within 7 days of drawing approval.

[Custom nail manufacturing](https://engineeringhardware.com/custom/nails/)[Send a drawing](https://engineeringhardware.com/custom/nails/#rfq)

## Technical Drawing

Dimensioned line drawing of steel Upholstery Tacks to Trade series (upholstery tacks). Side view and top view, drawn to the dimensions in the table below and redrawn for any size selected.

- **Trade size:** 3
- **Length (in):** 3/8
- **Head diameter (in):** 3/16

## Dimensions & Specifications (Trade series (upholstery tacks))

| Material | Trade size | Length (in) | Head diameter (in) |
| --- | --- | --- | --- |
| steel | 3 | 3/8 | 3/16 |
| steel | 6 | 1/2 | 3/16 |
| steel | 8 | 9/16 | 3/16 |
| steel | 10 | 5/8 | 1/4 |
| steel | 14 | 3/4 | 1/4 |
| copper | 6 | 1/2 | 1/4 |
| copper | 10 | 5/8 | 1/4 |
| copper | 14 | 3/4 | 1/4 |

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](https://engineeringhardware.com/wp-content/uploads/2026/08/09-wire-rod-feed-cold-heading-machine.webp) 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](https://engineeringhardware.com/wp-content/uploads/2026/08/03-thread-rolling-machine-bolt-production.webp) 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](https://engineeringhardware.com/wp-content/uploads/2026/08/05-heat-treatment-baskets-black-bolts.webp) 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](https://engineeringhardware.com/wp-content/uploads/2026/08/23-zinc-plated-bolts-treatment-basket.webp) 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 Upholstery Tacks?

They are commonly specified in furniture upholstery, restoration work and decorative trim, among other sectors.

### How do I choose the right size of Upholstery Tacks?

Match the size to the mating part using the dimension table on this page.

### Do Upholstery Tacks hold as well as screws?

Nails resist shear well and drive fast, but screws hold far better in withdrawal (tension). Use screws where the joint is loaded in pull-out or may need removal.

### Are Upholstery Tacks made to a recognized standard?

Yes — they are manufactured to Trade series (upholstery tacks), so dimensions are interchangeable between suppliers when you quote the standard on your order.

### Can I get a quote for Upholstery Tacks 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.

## Related Pages

Product page: [Upholstery Tacks — specifications & sizes](https://engineeringhardware.com/fastener/upholstery-tacks/)

### Upholstery Tacks Specification Guides

### Related Fastener Applications