A common, affordable way to treat steel Fail Safe Crown Nut With Slot is zinc plating, often with a clear or yellow chromate coating. This adds a layer that protects against corrosion by sacrificing itself, helping the nuts resist rust and tarnish in places with mild corrosion. The zinc coating also makes them a bit easier to tighten. These treated nuts work well for general industrial use, car parts, and outdoor setups where you don’t need super strong corrosion resistance.
| Mon | M20 | M24 | M30 | M36 |
| P | 1.5|2|2.5 |
1.5|2|3 |
1.5|2|3.5 |
1.5|2|3|4 |
| d1 max | 28 | 34 | 42 | 50 |
| d1 min | 27.16 | 33 | 41 | 49 |
| e min | 32.95 | 39.55 | 50.85 | 60.79 |
| k max | 26.3 | 31.9 | 37.6 | 43.7 |
| k min | 25.46 | 31.06 | 36.7 | 42.7 |
| n min | 4.5 | 5.5 | 7 | 7 |
| n max | 5.7 | 6.7 | 8.5 | 8.5 |
| s max | 30 | 36 | 46 | 55 |
| s min | 29.16 | 35 | 45 | 53.8 |
| w max | 20.3 | 23.9 | 28.6 | 34.7 |
| w min | 19 | 22.6 | 27.3 | 33.1 |
For even better protection against rust and corrosion, slotted Fail Safe Crown Nut With Slots are available with a variety of targeted surface treatments: hot-dip galvanizing adds a thicker zinc layer for robust corrosion protection. While cadmium plating is widely used in aerospace, its use is limited in certain scenarios or under certain standards. Special coatings such as Geomet and Dacromet are also available to suit the corrosion protection needs of different environments. Through these treatments, they can maintain good condition for a longer period of time and are less likely to be damaged by corrosion in scenarios where corrosion is a prominent problem (such as humid and salty marine environments and factory areas with frequent contact with chemicals). For stainless steel slotted crown nuts, passivation is standard. That process removes free iron and forms a protective oxide layer, making the most of their natural ability to resist corrosion.
Q:What is your Minimum Order Quantity (MOQ) and competitive pricing structure for the Fail Safe Crown Nut With Slot?
A: Our usual minimum order for Fail Safe Crown Nut With Slot is 1,000 pieces for each combination of size, grade, and finish. But we can be flexible, especially for first-time samples or if we’ve worked together before. The price is pretty competitive and depends on how many you order, the material grade (like 8.8 vs 10.9), the coating (like zinc vs hot-dip galvanizing), and the packaging. Just get in touch, and we’ll give you a detailed quote based on what you need for your slotted crown nuts.