Quality SS 304 UNC bolts from Stainless Bolt Industries are made to work with nuts and fasteners that have Unified National Coarse (UNC) threads. These bolts are perfect for a variety of commercial and industrial applications since they are made of AISI 304 stainless steel, which is well-known for its exceptional strength, resistance to corrosion, and long-lasting durability.In settings that are subject to dampness, chemicals, and severe weather, the SS 304 UNC Bolts offer a reliable and secure fastening option. Whether you're dealing with automobiles or ships, building structures, or manufacturing machinery.
Thread Size (UNC) | TPI (Threads Per Inch) | Major Diameter | Head Across Flats (A/F) | Typical Lengths | Standard |
1/4"-20 | 20 | 0.250" (6.35 mm) | 7/16" (11.11 mm) | 1/2" to 3" | ASME B18.2.1 |
5/16"-18 | 18 | 0.3125" (7.94 mm) | 1/2" (12.7 mm) | 3/4" to 3-1/2" | ASME B18.2.1 |
3/8"-16 | 16 | 0.375" (9.53 mm) | 9/16" (14.28 mm) | 1" to 4" | ASME B18.2.1 |
1/2"-13 | 13 | 0.500" (12.7 mm) | 3/4" (19.05 mm) | 1" to 5" | ASME B18.2.1 |
5/8"-11 | 11 | 0.625" (15.88 mm) | 15/16" (23.81 mm) | 1-1/2" to 6" | ASME B18.2.1 |
3/4"-10 | 10 | 0.750" (19.05 mm) | 1-1/8" (28.57 mm) | 2" to 8" | ASME B18.2.1 |
We offer an extensive selection of SS 304 Dome Nuts , designed to meet the diverse fastening needs of various industries:
Specification | Details |
Product Name | SS 304 UNC Bolt |
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 on request) |
Standard | ASME B18.2.1, ASTM A193 |
Head Type | Hex Head (standard), also available in Socket / Button Head |
Tensile Strength | ≥ 515 MPa |
Yield Strength | ≥ 205 MPa |
Finish | Natural / Bright / Passivated |
Corrosion Resistance | Excellent in atmospheric and mildly corrosive environments |
Operating Temperature | Up to 870°C (intermittent use) |
Applications | Construction, structural assemblies, heavy machinery, automotive, marine, industrial applications |