Hanger Bolts

Hanger Bolts

Hanger bolts are a clean way to join wood to hardware when you don’t want a visible screw head. The lag-thread end bites into wood for a solid hold, while the machine-thread end lets you attach a nut, washer, bracket, or standoff. They’re common in furniture builds, mounting fixtures, and shop fabrication, where you need a strong connection that still looks finished.

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Common Uses for Hanger Bolts

Hanger bolts are often used when you need to fasten into wood, but finish the connection with standard nuts and washers. You will see them in furniture legs, table bases, bed frames, cabinetry, and shelving where a clean look matters. They are also popular for mounting handrails, sign brackets, pipe supports, and light-duty equipment to wood framing. In shop settings, hanger bolts work well for jigs, fixtures, and workstations because the machine-thread end makes it easy to remove, adjust, or replace components without tearing up the wood. They are a smart choice when a through-bolt is not possible, or when you want the hardware to sit flush on the finished side. Pairing the right length with proper embedment helps keep the connection tight over time.

Bulk Hanger Bolts for Contractors & Manufacturing

If you are building multiple units or running repeat installs, buying in volume keeps your parts bins consistent and your crews moving. Bulk hanger bolts help contractors standardize hardware across common assemblies, such as rail mounts, shelving supports, furniture packages, and fixture installs. In manufacturing, they are helpful for production builds where the exact sizes are used across runs, and you want a predictable fit-up at every station. Stocking steel for indoor work and stainless steel for exposed or damp environments also helps you avoid swapping specs mid-project. Fastener SuperStore Inc offers wholesale hanger bolts for purchasing for higher-volume needs, so you can order by the box or case and reduce reordering headaches. Keeping a few core sizes on hand also makes field repairs quicker.

Frequently Asked Questions:

What are hanger bolts?

Hanger bolts are double-ended fasteners with wood screw (lag-style) threads on one end and machine threads on the other. The wood end anchors into lumber, and the machine-thread end allows you to attach nuts, washers, brackets, or other hardware for a clean, serviceable connection.

What materials are hanger bolts available in?

Hanger bolts are commonly available in steel and stainless steel. Steel is typically used for indoor applications and general fastening. Stainless steel is preferred when moisture, humidity, or outdoor exposure is a factor and you want better corrosion resistance over the life of the connection.

How do you install hanger bolts?

Install the lag-thread end into the wood, keeping the bolt straight so the machine-thread end stays aligned. Many installers use two nuts locked together on the machine-thread end to create a driving surface, then back the nuts off once the bolt is seated to depth.

Can hanger bolts be used outdoors?

Yes, but material choice matters. For outdoor use, stainless steel is usually the safer option because it offers better corrosion resistance in wet or humid conditions. If you’re fastening into treated lumber, matching stainless hardware can also help reduce corrosion issues over time.

What nut or hardware fits the machine-thread end?

The machine-thread end accepts standard nuts and washers that match the bolt’s thread size and pitch. Most users pair it with a flat washer and a hex nut for secure clamping, or a coupling nut when they need added standoff or a connection point for another component.