The Rust Proof Wing Nuts are just ordinary wing nuts, but their material is less prone to rust. It's not because they have a thin coating of carbon steel on the surface, but because they are made of stainless steel (304 or 316) or have a high-strength coating like hot-dip galvanizing on the surface. In humid or outdoor environments, their rust prevention ability is better.
Rust Proof Wing Nuts are used anywhere moisture, humidity, or outdoor exposure would quickly ruin regular steel ones. Common fields include:
Marine & coastal equipment – boat covers, dock fittings, saltwater pumps
Outdoor furniture – benches, tables, playground structures
Agricultural gear – greenhouse clamps, irrigation fittings, livestock equipment
Chemical & food plants – washdown stations, mixing tanks, sanitary covers
Architectural hardware – sign mounts, railing connections, curtain wall brackets
Automotive & RV – battery terminals, engine covers, camper tie-downs
DIY outdoor projects – garden gates, fence panels, solar light brackets
To enhance the rust-proofing ability of Rust Proof Wing Nuts, there's no need to do anything overly complicated. The key is to pay attention to a few daily details.
(1)The surface should be free from scratches.
When installing, do not use a hammer to strike, nor should you use the tool to clamp the wing pieces.
Once the passivation film on the stainless steel surface is scratched, the scratched area is prone to rusting first.
If the use of tools is necessary, nylon pliers are recommended.
(2)The cut surface needs to be re-coated with anti-rust paint.
If you need to adjust the size, you can do it manually using tools. However, the end face of the cut is bare steel without a protective anti-rust coating. Therefore, it is necessary to apply cold galvanizing spray or anti-rust paint to the cut surface.
(3)Avoid placing different metals close to each other
For instance, using stainless steel nuts with ordinary carbon steel bolts, or directly contacting copper or aluminum, electrochemical corrosion may occur in humid environments. Therefore, it is advisable to keep the materials consistent or use insulating gaskets to separate them.
(4)Regular cleaning
Outdoor nuts will accumulate dust, salt and bird droppings over time. Occasionally, rinse them with clean water and make sure to dry them thoroughly.
(5)Store in a dry environment
Place it on a dry shelf. It's best not to open the original packaging.
If the environment is very humid, you can put desiccants in the box.
(6)Avoid overloading the work
The stainless steel material should not be twisted forcefully to deform the threads. The passivation film at the deformed area will also rupture. The correct way is to twist it by hand without applying excessive force.
| Mon | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 |
| P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| dk min | 8.5 | 10.5 | 14 | 18 | 22 | 26 | 26 | 30 | 34 | 38 | 43 |
| d1 | 7 | 9 | 12 | 15 | 18 | 22 | 22 | 25 | 28 | 32 | 36 |
| L max | 26.5 | 34 | 42 | 52 | 62 | 72 | 72 | 82 | 92.5 | 102.5 | 114.5 |
| Lmin | 23.5 | 30 | 38 | 48 | 58 | 68 | 68 | 78 | 87.5 | 97.5 | 109.5 |
| h max | 13.5 | 17.5 | 21.5 | 26.5 | 31.5 | 37 | 37 | 42 | 47 | 52 | 58 |
| h min | 10.5 | 14.5 | 18.5 | 23.5 | 28.5 | 33 | 33 | 38 | 43 | 48 | 54 |
| k min | 5 | 6 | 8 | 10 | 12 | 14 | 14 | 16 | 18 | 20 | 22 |
| y max | 3.5 | 4 | 4.5 | 5.5 | 7 | 8 | 8 | 8 | 9 | 10 | 11 |
| y1 max | 4.5 | 5 | 5.5 | 6.5 | 8 | 9 | 9 | 10 | 11 | 12 | 13 |