5/16-18 x 4-1/2" 18-8 Stainless Steel Hex Head Bolts | Grade 5 | 10–250 Pack

Product: 5/16-18 x 4-1/2" 18-8 Stainless Steel Hex Head Bolts
SKU: 3050
Available Quantities: 10, 25, 50, 100, or 250 Bolts
Thread Size: 5/16-18 (Coarse Thread)
Length: 4-1/2"
Material: 18-8 Stainless Steel
Grade: Equivalent to Grade 5
Head Style: Hex Head
Finish: Natural Stainless (corrosion-resistant)
These 5/16-18 x 4-1/2" 18-8 Stainless Steel Hex Head Bolts (SKU 3050) are engineered for strength and corrosion resistance. With coarse threads for easier starts and strong grip, they’re ideal for long-reach applications in automotive, marine, trailer, or fabrication environments. Available in bulk packs ranging from 10 to 250 pieces.
Terms: 60-day money-back guarantee with free return shipping.
East Coast Bolts Motto: We won’t screw you—but our fasteners will.
Common Uses:
Engine and suspension brackets
Crossmember and long-panel support
Marine builds and trailer hardware