Bulk US / Inch Hex Bolts
Looking for large-volume, cost-effective US / Inch Hex Bolts for manufacturing or construction? This bulk collection includes Hex Bolts and Hex Flange Bolts, plus a robust L9 (Made in USA) high-strength line. Choose from Grade 8, Grade A, Grade B, A307, 18-8 and 316 stainless, with HDG (hot-dip galvanized) and Zinc Yellow finishes. Sizes run from 1/4" up to 2-1/2" diameter to cover everyday jobs through heavy industrial applications.
At Monster Bolts, we pair competitive bulk pricing with expert support. Need fewer than bulk quantities? Browse standard US Hex Bolt listings.
Notes: L9 is a high-strength, Made-in-USA line ideal for critical joints. HDG provides robust corrosion resistance (use correctly sized HDG nuts). Zinc Yellow offers enhanced appearance and moderate corrosion protection. Stainless options include 18-8 (general purpose) and 316 (marine/chemical). All CR+3 zinc, HDG, and plain finishes are RoHS compliant. MTRs available on request.
Shipping Note: Bulk shipping times can vary slightly based on inventory location and order size. Most orders ship quickly, but smaller bulk quantities may take a few extra days to process.