
All Metric Nuts – Hex, Locking, Flange & More
Monster Bolts makes it easy to shop every metric nut style in one place. From hex and acorn nuts to locking nylon inserts, prevailing torque, serrated flange, and flange nuts, we stock the sizes and materials you need.
Why Choose Monster Bolts Metric Nuts?
- Wide Variety: Hex, acorn, locking, and flange styles all in one location.
- Material Options: Alloy steel with black oxide or zinc plating, A2 stainless, and A4 (316) marine grade stainless.
- Reliability: Metric DIN/ISO standard compliance for consistent fit.
- Trusted Source: Fast shipping from the USA with customer-first support.
Find the Right Metric Nut Today
Whether you’re working on machinery, construction, marine projects, or DIY builds, Monster Bolts has the metric nuts to keep your assemblies secure. Explore the full collection below.