Quality SS 304 UNC nuts from Stainless Bolt Industries are made precisely to fit Unified National Coarse (UNC) threaded bolts. These nuts, which are made of AISI 304 stainless steel, are ideal for a variety of industrial, automotive, and construction applications due to their remarkable strength, durability, and resistance to corrosion. These SS 304 UNC Nuts are designed to satisfy the demands of sectors that need dependable, safe fastening solutions. Because of their ability to withstand corrosion, they are perfect for use in demanding settings where exposure to chemicals and moisture is frequent, like outdoor, chemical, and marine applications.
Made from AISI 304 stainless steel and engineered to satisfy Unified Coarse Thread (UNC) requirements, Stainless Bolt Industries feels proud to provide premium-grade SS 304 UNC Nuts. These nuts offer a solid, reliable attaching option for both building and mechanical applications, and their hexagonal shape facilitates easy tool engagement. These nuts are perfect for use with UNC bolts in a variety of industries, such as general engineering, construction, automotive, and machinery, because of their typical UNC thread size and clean, metallic surface. Because of SS 304's exceptional resistance to corrosion, these nuts are particularly well-suited for moderately demanding indoor and outdoor settings.
| Thread Size (UNC) | TPI (Threads Per Inch) | Width Across Flats (A/F) | Height (H) | Standard |
| 1/4"-20 | 20 | 7/16" (11.11 mm) | 7/32" (5.56 mm) | ASME B18.2.2 |
| 5/16"-18 | 18 | 1/2" (12.7 mm) | 17/64" (6.75 mm) | ASME B18.2.2 |
| 3/8"-16 | 16 | 9/16" (14.28 mm) | 21/64" (8.33 mm) | ASME B18.2.2 |
| 1/2"-13 | 13 | 3/4" (19.05 mm) | 7/16" (11.11 mm) | ASME B18.2.2 |
| 5/8"-11 | 11 | 15/16" (23.81 mm) | 35/64" (13.89 mm) | ASME B18.2.2 |
| 3/4"-10 | 10 | 1-1/8" (28.57 mm) | 43/64" (17.06 mm) | ASME B18.2.2 |
We offer an extensive selection of SS 304 Unc Nuts , designed to meet the diverse fastening needs of various industries:
| Specification | Details |
| Product Name | SS 304 UNC Nut |
| Material Grade | Stainless Steel AISI 304 (UNS S30400) |
| Thread Type | Unified Coarse Thread (UNC) |
| Thread Sizes | From 1/4"-20 to 3/4"-10 (larger sizes available on request) |
| Standards | ASME B18.2.2, ASTM A194 |
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Hardness | ≤ 95 HRB |
| Finish | Natural / Bright / Passivated |
| Corrosion Resistance | Excellent – suitable for moderately aggressive environments |
| Operating Temperature | Up to 870°C (intermittent use) |
| Applications | Automotive, construction, heavy equipment, machinery, and structural joints |
