Stainless Steel Self-Locking Nyloc Nuts Metric M2-M6

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Nut form Nyloc Nut M2 Nyloc Nut M2.5 Nyloc Nut M3 Nyloc Nut M4 Nyloc Nut M5 Nyloc Nut M6

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Nyloc Nuts (M2–M6)

Reliable fastening for precision 3D printing and mechanical builds.

Our self-locking Nyloc Nuts (M2–M6) provide secure, vibration resistant fastening for 3D-printed assemblies and small mechanical builds. With a coarse thread profile for smooth engagement and consistent torque, they deliver a reliable hold that won’t loosen under use.

Manufactured to ISO/DIN standards, each nut offers precise dimensions, excellent durability, and a hexagonal design for easy tightening with standard tools.

Available Sizes: M2, M2.5, M3, M4, M5, M6
Thread Type: Coarse
Material: Stainless Steel (corrosion-resistant finish)
Applications: 3D printer components, robotics, electronic enclosures, mechanical fixtures, and general prototyping.

Metric Stainless Steel Self-Locking

OzFDM Nyloc Nuts

When reliability and stability matter, OzFDM’s Self-Locking Nyloc Nuts deliver dependable fastening for 3D-printed and mechanical assemblies.

Designed to resist vibration and loosening, each nut combines strength, precision, and lasting performance. Ensuring your builds stay secure through repeated use.

Pile of stainless steel nyloc nuts in mixed metric sizes

Close-up of stainless steel nyloc nuts showing the nylon locking insert

Nyloc Nuts Technical Specifications

Nyloc Nuts are self-locking hex nuts designed to provide a secure and vibration resistant fastening solution. Featuring a nylon insert, these nuts grip the bolt threads tightly to prevent loosening under stress, ensuring consistent and lasting performance.

Ideal for 3D-printed assemblies, mechanical builds, and precision components where strength and stability are essential. For best results, pair with matching metric bolts or threaded inserts in M2–M6 sizes.

Diagram of a nyloc nut showing across flats, overall height and inner diameter

Table of nyloc nut sizes M2 to M6 with thread pitch, height, across flats and material

Built to Hold. Made to Last.

Crafted from premium stainless steel with a nylon insert, OzFDM’s Hex Nyloc Nuts provide strong, vibration resistant fastening across plastic, metal, and hybrid components. Their self locking design keeps tension steady and grip secure, even through constant movement or heat, so every connection stays firm and dependable.

Compatible with bolts, threaded inserts, and our range of PLA+, PETG, and engineering grade filaments, these nuts deliver reliable reinforcement wherever strength and stability matter most. From assembling mechanical parts to securing enclosures or finishing functional prototypes, OzFDM’s Nyloc Nuts keep your builds tight, solid, and ready for long term performance.

Built to Secure, Made to Endure

Consistent Grip. Confident Performance.

OzFDM’s stainless steel Nyloc Nuts work smoothly with a wide range of 3D printing materials and fasteners, including bolts, threaded inserts, PLA+, PETG, and other engineering grade filaments.

Each nut includes a nylon insert that locks threads firmly in place, stopping them from loosening under vibration or heat. Made with care for strength and reliability, they give every project the lasting hold it deserves. From printed enclosures and mechanical parts to everyday functional builds.

Simple, strong, and made to last, OzFDM’s Nyloc Nuts keep every connection secure and every print ready for real world performance.

Stainless steel nyloc nut fitted on a threaded bolt

Lock It Once, Trust It Always

Reliable Grip That Lasts

Every OzFDM Nyloc Nut is made with precision stainless steel and a nylon insert that locks threads firmly in place. Once fastened, the nylon ring grips tightly against the bolt, creating a dependable hold that stays secure even when exposed to movement, vibration, or changing temperatures. This smart locking design prevents loosening over time, ensuring your builds stay stable and strong through repeated use.

Whether you are assembling brackets, enclosures, or mechanical parts that experience stress or motion, these nuts maintain their grip and integrity without the need for constant adjustment. The stainless steel construction resists corrosion and wear, giving each nut long term strength that supports both functional prototypes and production ready builds.

Perfect Fit for Every Build

OzFDM’s Hex Nyloc Nuts are available in a range of sizes from M2 to M6, offering flexibility across countless project types. Designed for precision and ease, each nut threads smoothly and seats securely for a tight, consistent fit every time. From lightweight 3D printed parts to metal assemblies, these nuts pair perfectly with OzFDM’s threaded inserts, bolts, and filament materials like PLA+ and PETG.

Each nut is carefully machined and tested for reliable performance, giving makers confidence that their finished parts will stay aligned and locked in place. Whether you are fine tuning small components or strengthening large assemblies, OzFDM’s Nyloc Nuts provide the strength and precision needed to complete any project with professional quality.

Consistent Results, Effortless Assembly

Installing Nyloc Nuts is simple and effective, requiring only basic hand tools for a clean, secure connection. As the nut tightens, the nylon ring compresses around the bolt’s threads, creating friction that keeps it in position without damaging the material beneath. This easy locking action delivers a neat, flush finish that holds tight through vibration, handling, and daily wear.

From first fit to final use, OzFDM’s Nyloc Nuts help makers achieve smooth, consistent results that last. Whether used for mechanical joints, printed assemblies, or functional repairs, each nut is built for performance that feels effortless but endures under real conditions. Nyloc Nuts are strong, steady, and ready for whatever the project demands.