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nVent CADDY Armour Spring Steel Hammer-On Flange Clip
The nVent CADDY Armour Spring Steel Hammer-On Flange Clip line gives electrical and mechanical contractors a fast, drill-free way to attach conduit, pipe, and cable tray supports to structural steel beam flanges. Formed from durable spring steel, each Armour clip hammers onto the beam flange by hand or with a hammer blow, gripping flanges from 1/8" to 1/4" thick as a universal beam clamp with no drilling, welding, or bolted hardware required. The Armour flange clip family is available in six models — 4H24, 4H912, M24, M24S, M58, and M912 — each featuring an integral threaded stud, including 1/4-20 connections on select models, for hanging standard all-thread rod below the beam. Because installation is a simple hammer strike rather than a drilled or welded connection, these Caddy Armour clips help crews save labor time on overhead support runs across commercial and industrial jobs.
Key Features
- Hammer-On Installation: The spring steel clip drives onto the beam flange by hand or hammer for a fast, tool-light connection with no drilling, welding, or torque wrench required.
- Durable Spring Steel Construction: Spring steel construction provides the clamping tension needed to grip the beam flange securely and resist loosening under sustained load.
- Integral Threaded Stud: Each clip features a built-in threaded stud, including 1/4-20 connections on select models, for attaching standard all-thread rod to support conduit, pipe, or cable tray from above.
- Universal Beam Clamp Design: Sized to fit structural steel beam flanges from 1/8" to 1/4" thick, giving installers a ready-made attachment point on the flange without fabricating a custom bracket.
- Six-Model Lineup: The family includes models 4H24, 4H912, M24, M24S, M58, and M912, letting installers match clip and rod connection to the job at hand.
- Caddy Armour Series: Part of the nVent CADDY Armour line of beam clamps and flange clips engineered for structural steel attachment in commercial and industrial construction.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Hanging Conduit and Pipe from Structural Steel Beam Flanges
- Suspending Threaded Rod Supports for Electrical and Mechanical Systems
- Cable Tray and Support Rod Attachment to Steel Beams
- Commercial and Industrial Overhead Support Installations
- New Construction and Retrofit Beam Attachment Where Drilling Is Undesirable
Why nVent CADDY?
nVent CADDY builds the Armour line of flange clips and beam clamps from durable spring steel to stand up to demanding jobsite conditions. Across the 4H24, 4H912, M24, M24S, M58, and M912 models, the hammer-on design lets installers make a secure beam attachment in seconds, without drilling, welding, or extra fasteners, keeping support installations fast, consistent, and easy to inspect. With integral threaded studs for connecting rod, the Armour flange clip family gives crews a dependable, code-friendly way to hang conduit, pipe, and cable tray supports from structural steel on any commercial or industrial project.
Manufacturer Resources
nVent CADDY Full Catalog
Product Specs
- Product Type:
- Beam Clamp
- Connection Type:
- Hammer-On
- Series:
- Armour
- Department:
- Electrical
- Product Group:
- Hangers, Supports & Fasteners
- Product Subgroup:
- Hangers, Straps & Supports
- list_batch:
- CDY-20260915
- Product Material:
- Spring Steel
nVent CADDY 4H24 – Frequently Asked Questions
1) Which nVent CADDY Armour flange clip do I need for a 1/2 inch thick beam flange?
Match the model to the flange thickness. The Armour hammer-on clips cover three ranges: 1/8 to 1/4 inch (models 4H24 and M24), 5/16 to 1/2 inch (M58), and 9/16 to 3/4 inch (4H912 and M912). For a 1/2 inch flange, the M58 is the one that covers it. Measure the flange at the edge where the clip will sit, since flange thickness tapers on some rolled shapes.
2) Can I hang threaded rod off the nVent CADDY Armour hammer-on clip without drilling the beam?
That is the point of the Armour clip. It drives onto the beam flange by hand or with a hammer blow, no drilling, welding, or bolted hardware, and each clip carries an integral threaded stud for hanging standard all-thread rod below the beam. The M24S is the model specified with a 1/4-20 threaded stud.
3) What is the difference between the CADDY M24 and the M24S Armour clip?
Both cover the same light flange work, but they are called out differently: the M24 is the universal clip for 1/8 to 1/4 inch flanges, while the M24S is the version specified with a 1/4-20 threaded stud for direct all-thread rod attachment. If your support run hangs on 1/4-20 rod, order the M24S.
4) Is a hammer-on flange clip the right choice, or should I use a bolted beam clamp?
A hammer-on spring steel clip like the CADDY Armour is for fast, repetitive overhead attachment where you are hanging conduit, pipe, or cable tray rod off a steel flange and do not want to drill, weld, or torque anything. It installs in seconds and is easy to inspect visually. A bolted or set-screw beam clamp is the better call when the flange falls outside 1/8 to 3/4 inch, or when the job spec calls for a mechanically fastened connection. The Armour line covers flange thicknesses from 1/8 up to 3/4 inch across its six models.
5) How many nVent CADDY Armour hammer-on flange clip models are there and what are the part numbers?
Six: 4H24, 4H912, M24, M24S, M58, and M912. They differ by the beam flange thickness they grip and the rod connection, so specify by model number rather than by series name when ordering for a bid.
6) Will these clips work for cable tray support rod on a retrofit where I cannot drill the structure?
Yes, that is a standard use. The Armour clips were made for hanging conduit, pipe, and cable tray supports from structural steel beam flanges in both new construction and retrofit work where drilling is undesirable. The clip drives on and gives you an integral threaded stud to run rod from. Just confirm the existing beam flange thickness falls in one of the covered ranges between 1/8 and 3/4 inch.
7) What are the CADDY Armour flange clips made of and will they hold under sustained load?
Spring steel. The clamping tension comes from the steel itself flexing over the flange, which is what keeps the clip from backing off under sustained load rather than relying on a bolt staying torqued. Driving it fully onto the flange is what sets that tension, so seat it all the way to the back of the clip.
How fast can I get the nVent CADDY 4H24 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
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Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the nVent CADDY 4H24 come with a warranty?
Absolutely. The nVent CADDY 4H24 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the nVent CADDY 4H24?
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