Home Cable Management Bridle Rings Machine Thread Mounting Options Beam Clamp – Flanges 1/8″ – 1/2″ Thick

Beam Clamp – Flanges 1/8″ – 1/2″ Thick

Product Code: HOKFMP

The HOKFMP is our most versatile hammer-on spring steel clip. It provides a solid mounting point for 1/4 x 20 or #10-24 threads and has two built in slots to accept most drive ring sizes. Compare to Caddy’s® 2FMP28!

Where to buy?

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specs

Requires only a hammer to install
Accommodates standard 1/4 x 20 or #10-24 threaded and non threaded bridle rings
Accommodates most drive ring sizes
Supports drive rings or bridle rings on flanges from 1/8″ to 1/2″ thick (3.2 – 12.7 mm)
GEOMET® finish
100 per box, 1000 per master carton
5 lbs. per box, 50 lbs. per master carton

documentation

CUT SHEET MSDS SDS DATA SHEET

FAQs

General

What are beam clamps?

Beam clamps are hardware supports used to attach hangers, threaded rods, electrical components, conduit, and cable accessories to steel beams or flanges without drilling or welding.

Where are beam clamps typically used?

They’re common in datacomm, electrical, mechanical, and industrial construction. Installers use them on I-beams, structural steel, bar joists, and overhead framing.

Why do beam clamps come in different styles?

Different jobs require different mounting methods. Some clamps hammer on, some slide on, some tighten with screws, and others include threaded impressions or built-in hangers.

What is flange thickness, and why does it matter?

Flange thickness determines which clamp fits the beam. Doc’s offers clamps for 1/8" up to 1/2" flanges so installers can match the clamp to the structural member.

Product Features and Specifications

What materials are beam clamps made from?

Most are formed from high-quality spring steel or pressed zinc-plated steel. Spring steel allows fast installation without tools, while pressed steel clamps provide heavy-duty support.

What are threaded impressions?

Threaded impressions accept 1/4"-20 or 3/8"-16 hardware and allow installers to attach threaded rod, bridle rings, or accessories directly to the clamp.

Do any beam clamps come with integrated hangers?

Yes. Some models include attached rod hangers so installers can suspend cable pathways immediately without adding additional hardware.

What is the difference between hammer-on and knock-on clamps?

Hammer-on and knock-on clamps both install using striking force rather than screws. Hammer-on models provide a quick mechanical bite, while knock-on spring clamps flex into position around the flange.

Are there options suitable for multi-purpose mounting?

Yes. Some clamps include multiple hole locations, dual mounting faces, or slots that accept various threaded rod sizes and ring accessories.

Installation and Usage

How do hammer-on beam clamps install?

They slide over the flange and secure with a single hammer strike. This makes them ideal for overhead installation where speed matters.

How do spring steel knock-on clamps work?

They rely on a flexible spring body that snaps onto the flange when tapped into place. No bolts or tools are required for attachment.

Can beam clamps be used with J-Hooks?

Yes. Many clamp designs include mounting holes or impressions that accept J-Hook hardware for cable support.

Can installers use a threaded rod with these clamps?

Yes. Models with threaded impressions allow direct connection of a 1/4" or 3/8" rod. Other designs accept rod hangers that are factory-assembled to the clamp.

Do pressed steel beam clamps require tools?

Yes. Pressed steel clamps use a set screw or bolt to secure the clamp to the beam flange, providing a strong mechanical grip.

Are beam clamps rated for overhead use?

They’re designed for overhead attachment, but installers must always follow local codes and load guidelines for rod, cable, and equipment support.

Applications and Compatibility

What can beam clamps support?

Beam clamps can support:
Threaded rod
Cable trays and J-Hooks
Bridle rings
Electrical boxes and conduit
Ceiling wire
Light fixtures and mechanical components

Which clamp is best for thin flanges?

Spring-steel knock-on clamps are available for flanges as thin as 1/8". They work well on bar joists and light steel.

Which clamp fits heavier flanges?

Hammer-on clamps and pressed steel clamps are available for thicker flanges up to 1/2".

Can a single clamp work with different accessories?

Yes. Many clamps support multiple accessories thanks to dual mounting surfaces, various thread sizes, or included rod hangers.

Purchase and Availability

Where is Doc’s Industries based?

Doc’s Industries is based in Simi Valley, CA. Our team is dedicated to providing quality products and above and beyond service to customers globally.

Are these beam clamps stocked?

Yes. Hammer-on, knock-on, pressed, and spring-steel clamps are produced and stocked regularly.

Do they come in bulk quantities?

Most models are available in contractor-friendly box or carton quantities.

Do you supply to wholesale and retail customers?

Doc’s Industries services wholesale accounts. Please use the “where to buy” function on our website to be connected to the nearest distributor.

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