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🔧 Lock it down like a pro—because your projects deserve the best!
The SIGMA ENGINEERED SOLUTIONS ProConnex 3/4" Rigid Conduit Locknut 20-Pack offers a reliable, zinc-plated steel solution designed for secure fastening of threaded conduits and connectors. Compatible with 3/4-inch rigid conduit and IMC, these fully threaded locknuts ensure durable, corrosion-resistant performance and easy installation, making them ideal for professional-grade electrical projects.
| ASIN | B00C3YCXUQ |
| Best Sellers Rank | #42,739 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #48 in Electrical Conduit Fittings |
| Brand | Sigma Engineered Solutions |
| Color | Gray |
| Compatible Groove Diameter | 0.75 Inches |
| Customer Reviews | 4.8 4.8 out of 5 stars (381) |
| Exterior Finish | Zinc |
| Fastener Type | Threaded |
| Finish Types | Zinc-plated |
| Global Trade Identification Number | 00031857451028 |
| Included Components | 20 Locknuts |
| Inside Thread Size | 3/4 inch |
| Item Diameter | 0.75 Inches |
| Item Dimensions | 1.39 x 0.1 x 1.39 inches |
| Item Type Name | Locknut |
| Item Weight | 0.16 Kilograms |
| Manufacturer | Sigma Engineered Solutions |
| Material Type | Alloy Steel |
| Metal Type | Zinc-plated steel |
| Model | 45102 |
| Number of Pieces | 20 |
| Part Number | CECOMINOD010613 |
| Size Name | 3/4-in |
| Thread Coverage | Fully Threaded |
| Thread Size | 3/4"-5 |
| Thread Style | Right Hand |
| UPC | 785577610448 031857451028 |
| Unit Count | 20.0 Count |
P**.
Electricl Locknut
Quality and condition of the item I purchased was very nice and met my expectations. Item was packaged well.
M**K
Not really a whole lot. You can say about a box nut.
Good quality at a great price, and they work perfectly.
S**O
fits perfect great threads
fit perfect
D**E
Fits
Fits like it should
C**C
They work, and do exactly what they’re intended to do
Very nice and easy to put on.
D**.
Good Locknuts - Minor Quality Inconsistencies
These conduit locknuts are solid and functional for electrical work. They fit 3/4" rigid conduit perfectly and thread on smoothly without cross-threading. The 20-pack is a good value for contractors or DIYers doing multiple installations. The steel construction feels sturdy and they hold securely once tightened down. I'm giving 4 stars instead of 5 because a couple of the locknuts in my pack had some rough threading that required a bit more effort to install. Also, the zinc coating on a few pieces wasn't completely uniform - some minor cosmetic blemishes. That said, they all functioned properly and passed inspection. For standard electrical conduit installations, these get the job done reliably. Would buy again for the price point.
B**N
Works
Screws onto grey pvc terminal adapters, not sure what else you could ask of it
A**R
Great item
I just used a few to connect male ends to an electrical box. Worked perfectly.
J**N
Bonne qualité à bon prix
H**S
Internal diameter a bit too large and it would not tighten
Trustpilot
1 month ago
3 weeks ago