The 5/8 Square Nut is a high-strength, high-reliability universal fastening component widely used across the construction, automotive, mechanical engineering, power line hardware, and industrial equipment sectors.
Designed with a durable square profile, this nut provides superior grip and stability compared to standard hex nuts. Its four-sided geometry offers greater surface contact and prevents rounding, making installation easier and more secure-even in tight or limited-space environments.
Manufactured from premium forged steel and finished with Hot-Dip Galvanizing (HDG) for maximum corrosion resistance, the 5/8 Square Nut is an ideal choice for heavy-duty machinery, power fittings, vibration-prone equipment, and outdoor transmission line projects.
Its excellent resistance to loosening under vibration makes it especially suitable for transportation systems, steel structures, and high-load mechanical assemblies.
Compatible with multiple bolt types and screw threads, the Threaded Square Nut remains a preferred fastener for engineers, installers, and maintenance professionals seeking long-lasting performance.
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Stock no. |
|
|
Approximately ship weight kg./100pcs |
Standard pkg.qty./carton |
|---|---|---|---|---|
|
|
||||
|
A0538R |
0.375 (9) |
16 (400) |
1.2 |
2000 |
|
A0512R |
0.5 (13) |
13 (325) |
2.5 |
1000 |
|
A0558R |
0.625 (16) |
11 (275) |
4.2 |
500 |
|
A0534R |
0.75 (19) |
10 (250) |
6.5 |
400 |
|
A0578R |
0.875 (22) |
9 (225) |
11 |
250 |
|
|
||||
|
A0558H |
0.625 (16) |
11 (275) |
5.8 |
500 |
|
A0534H |
0.75 (19) |
10 (250) |
10.9 |
250 |
|
A0578H |
0.875 (22) |
9 (225) |
19.5 |
150 |
|
A0510H |
1 (25) |
8 (200) |
23.5 |
100 |
- 5/8 inch
- HDG (Hot-Dip Galvanized)
- 1000 pcs
- 3 days
- EXW, FOB, CIF, etc.
- 500,000 pcs per year
Manufactured by Victory Electric Power Fitting Co., Ltd.
As a leading manufacturer located in Lishui City, Zhejiang Province, Victory Electric Power Fitting Co., Ltd. is committed to producing first-class power fittings and metal hardware.
With a strict quality control system and more than two decades of professional industry experience, we ensure every product-from square nuts to high-pressure and low-pressure line fittings-meets international standards and customer expectations.
- High-voltage & low-voltage electric power line fittings
- Foreign-trade hardware fittings for Africa, South America, Southeast Asia, and more
- Metal conduit and indoor wiring fittings (BS4568 standard)
, , replacing older products that are difficult to install, unstable, or poorly finished.
- 12-hour fast response and reliable after-sales support
- High-quality materials
Why Choose Our 5/8 Square Nut?
High-strength forged steel for long-lasting durability
Corrosion-resistant HDG coating
for vibration-heavy machinery
