5/16-18 x 3-1/4 18-8 Stainless Steel Hex Head Bolts | Grade 5 | 10–200 Pack

Product: 5/16-18 x 3-1/4 18-8 Stainless Steel Hex Head Bolts
SKU: 3047
Available Quantities: 10, 25, 50, 100, or 200 Bolts
Thread Size: 5/16-18 (Coarse Thread)
Length: 3-1/4
Material: 18-8 Stainless Steel
Grade: Equivalent to Grade 5
Head Style: Hex Head
Finish: Natural Stainless (corrosion-resistant)
These 5/16-18 x 3-1/4 18-8 Stainless Steel Hex Head Bolts (SKU 3047) are engineered for strength, durability, and corrosion resistance. Their coarse-thread design allows for quick installation and a secure hold, while the Grade 5 stainless build makes them ideal for automotive, marine, and heavy-duty restoration projects.
Terms: 60-day money-back guarantee with free return shipping.
East Coast Bolts Motto: We won’t screw you—but our fasteners will.
Perfect For:
Automotive body and chassis assembly
Marine and dock hardware
Heavy-duty restoration work