If you’re searching for reliable 3/4 conduit clamps, you’ll want options that fit 3/4″ pipes, are durable in varied environments, and install easily. This guide highlights five solid choices, detailing who they’re best for and why they stand out. Each product is evaluated for corrosion resistance, mounting options, and suitability for common conduit and cable setups.
Buyer’s quick reference: the following table summarizes the five selected clamps, their ideal use cases, and what makes them notable.
| Product | Best For | Why It Stands Out |
|---|---|---|
| Biaungdo 30 Pcs M20 3/4 Inch Rigid Pipe Straps | General conduit and cable runs in harsh environments | High corrosion resistance; large quantity; zinc-plated steel |
| Demissle PVC Conduit Clamp 2 Hole | PVC conduit installations; lightweight applications | Two-hole PVC design; sturdy and deformation-resistant |
| Laoha 30-Pack 3/4″ EMT Straps | Electrical metallic tubing (EMT) runs | Precise fit for 3/4″ EMT; robust zinc-plated steel |
| Jersvimc 20Pcs 3/4″ Stainless Steel Clamps | Corrosion-prone or long-term outdoor/internal uses | Stainless steel; solid two-hole U design |
| Halex 3/4 in. EMT Strap Clamp 100 Pack | Code-compliant indoor installations | UL listed; corrosion-resistant steel; code-ready |
Biaungdo 30 Pcs M20 3/4″ Rigid Pipe Strap

Best for high-volume installations where you need many secure clamps. This kit includes 30 rigid pipe straps designed for 3/4″ pipes or cables, with zinc-plated carbon steel offering corrosion resistance. The packaging notes a 3/4″ actual pipe size, and the clamp dimensions are suited for standard conduit runs. Best for contractors or DIYers who want replacements in bulk and reliable, heavy-duty performance in demanding environments.
Why selected: Strong, corrosion-resistant build; ample quantity; straightforward installation with single-hole design. Caution: The printed size on the product can be misleading; rely on the listed actual dimensions to ensure proper fit.
Demissle PVC Conduit Clamp 2 Hole Straps

Best for PVC conduit projects needing a secure two-hole strap. The U-shaped strap with two mounting holes is designed to hold pipes or cables around 3/4″ diameter and prevent deformation. This is a solid choice when working with PVC runs in walls or ceilings where a resilient, non-rusting strap is valuable.
Why selected: Durable PVC construction; two-hole design simplifies mounting; wide applicability. Caution: Check the exact screw hole size (6 mm) to ensure compatibility with your fasteners.
Laoha 30-Pack 3/4″ EMT Straps

Best for EMT conduit installations requiring precise fit and reliability. These straps are zinc-plated steel with a 15 mm band width and 6.4 mm mounting holes. The set includes 30 pieces, designed to provide steady support for 3/4″ EMT runs while helping maintain alignment and stability over time.
Why selected: Good corrosion resistance; sturdy, steel construction; suitable for standard NEC-compliant installations. Caution: Some users note potential minor sizing variances; verify fit with your exact conduit type.
Jersvimc 20Pcs Stainless Steel Clamps

Best for corrosion-prone or long-term installations where stainless steel offers extended lifespan. This 20-pack uses 304 stainless steel U clamps with a two-hole design for strong anchoring. The product notes a slight possibility of minor undersizing due to thermal expansion, but the design remains robust for demanding settings.
Why selected: Excellent corrosion resistance; strong two-hole configuration; durable under long-term use. Caution: Thermal expansion may affect fit slightly; consider a small margin if tight tolerance is critical.
Halex 3/4 in EMT Strap Clamp – 100 Pack

Best for code-compliant indoor runs needing a large-capacity, UL-listed option. This 100-pack is designed for EMT conduit support with a 0.25″ mounting hole and a 0.987–0.992″ conduit diameter specification. Its steel construction offers durability and reliability for NEC-adjacent projects.
Why selected: UL-listed for code compliance; broad availability; solid mounting compatibility. Caution: Intended for interior use; surface rust protection is beneficial in damp environments.
Buying Guide: Key Considerations For 3/4 Conduit Clamps
Material and finish: Choose zinc-plated steel for strong corrosion resistance in most environments. Stainless steel is preferable in moist or outdoor settings. PVC straps suit lightweight, non-metallic conduit runs.
Fit and compatibility: Confirm conduit type (EMT vs PVC) and the exact diameter as listed. Look for mounting holes and band width that align with your screws and anchors.
Quantity and packaging: If you’re renovating or wiring multiple sections, bulk packs reduce trips to the store and ensure consistent performance across runs.
Installation considerations: Some straps are single-hole and easier for quick fixes, while two-hole designs offer greater stability in long runs. Check for potential undersizing due to thermal expansion in metal clamps.
Code compliance: UL-listed or NEC-aligned straps meet common building codes and inspector expectations. Ensure the product has the appropriate certifications for your project scope.
FAQ
- What does 3/4″ refer to in these clamps? It typically refers to the conduit or pipe outer diameter that the strap is designed to fit.
- Are these clamps suitable for outdoor use? Some are, particularly zinc-plated steel or stainless steel varieties. Check product specifics for environmental suitability.
- What is the difference between EMT and PVC conduit clamps? EMT clamps are designed for metal conduit; PVC clamps are designed for plastic conduits and may be lighter or include PVC-specific features.
- Do these clamps require special fasteners? Most use standard screws; confirm screw hole diameter (commonly 6 mm or 0.24 inch) to match your anchors.
- Is there a recommendation for indoor vs. outdoor installation? Indoor uses often require UL-listed or code-compliant straps; outdoor use benefits from corrosion-resistant materials like stainless steel or galvanized finishes.