
J-1603 Sanitary Nut
This is a SUS316L hygienic sealed nut featuring a closed dome shape and smooth transition design, which prevents water accumulation, dust, and contamination on exposed threads. The blue sealing ring at the bottom creates a seal on the installation surface, making it suitable for use in food machinery, pharmaceutical equipment, dairy equipment, beverage filling lines, meat processing equipment, and high-pressure wash areas. The product achieves a protection rating of up to IP69K, which needs to be tested and confirmed based on the assembly structure and sealing compression amount.
- Protection Rating: IP69K
- Seal Material: Blue HNBR Compliant with FDA Regulations
- Material: SUS316L
- Surface Treatment: Mirror Polishing
- Compliance Standards: Follow sanitary design guidelines such as 3-A, EHEDG, EN 1672-2, and ISO 14159. Use food-safe seals that meet FDA standards.
- Application Scenarios: Food Processing Equipment, Pharmaceutical Equipment, Dairy Equipment, Beverage Filling Lines, Meat Processing Equipment, Packaging Machinery, CIP/SIP Cleaning Areas, Cleanroom Equipment.
Detailed Specifications
| Image | Model | Hexagon Width | Thread Standard | Seal Material | Material | Download |
|---|---|---|---|---|---|---|
| J-1603-8M-1-A2 | 7.9mm | M3x0.5 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-8F-1-A2 | 7.9mm | 4-48 UNF (Pitch 0.5292) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-8M1-1-A2 | 7.9mm | M4x0.7 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-8F1-1-A2 | 7.9mm | 8-36 UNF (Pitch 0.7056) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1600-8M2-1-A2 | 7.9mm | M5x0.8 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-8F2-1-A2 | 7.9mm | 10-32 UNF (Pitch 0.7938) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-10M-1-A2 | 9.9mm | M6x0.75 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-10F-1-A2 | 9.9mm | 12-32 UNF (Pitch 0.794) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-13M-1-A2 | 12.9mm | M8x1 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-13F-1-A2 | 12.9mm | 5/16"-24 UNF (1.058 pitch) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-16M-1-A2 | 15.9mm | M10x1.25 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-16F-1-A2 | 15.9mm | 3/8"-24 UNC (1.058 pitch) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-18M-1-A2 | 17.9mm | M12x1.75 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-18F-1-A2 | 17.9mm | 1/2"-13 UNC (1.954 pitch) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-24M-1-A2 | 23.9mm | M16x2 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-24F-1-A2 | 23.9mm | 5/8"-11 UNC (2.3091 pitch) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-30M-1-A2 | 29.9mm | M20x2.5 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-30F-1-A2 | 29.9mm | 3/4"-10 UNC (2.54 pitch) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-36M-1-A2 | 35.9mm | M24x3 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-36F-1-A2 | 35.9mm | 15/16"-9 UNS (2.8222 pitch) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-36M1-1-A2 | 35.9mm | M27x3 Screw thread | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L | ||
| J-1603-36F1-1-A2 | 35.9mm | 1-1/16"-8 UN (3.175 pitch) | Blue Hydrogenated Nitrile Rubber (HNBR) | SUS316L |
FAQ
Can you send samples?
Yes, we can provide a few free samples for the customer, but we hope that the shipping cost can be covered by your side.
What Industrial Equipment Are Sanitary Fasteners Mainly Used In?
Hygienic fasteners are primarily used in industrial equipment that requires high standards of cleanliness, corrosion resistance, and contamination prevention, including applications in food processing machinery, medical equipment, pharmaceutical equipment, cleanroom equipment, and stainless steel hygienic structural systems. Their design minimizes the retention of contaminants and meets the installation requirements for high-standard hygienic environments.
What is the minimum order quantity?
The general minimum order quantity is 200 PCS, but if stock is sufficient, flexible supply can be provided according to actual demand, with no minimum order quantity restriction.
What is the standard delivery time for sanitary bolts?
Typically 15 to 30 days, depending on customization requirements and order quantity.
How Sanitary Fasteners Improve Equipment Cleanliness?
Sanitary fasteners reduce the accumulation of dust, liquids, and contaminants at connection points through smooth surface treatment, sealed structural design, and optimized profile structure. ForndLock products are made of mirror-polished SUS316L material and equipped with HNBR sealing components, enhancing equipment cleaning efficiency and long-term sealing reliability.
Does ForndLock support custom sanitary fasteners based on drawings or equipment requirements?
Support. ForndLock can provide customized sanitary fastening solutions based on customer drawings, installation dimensions, thread specifications, material requirements, surface treatments, and sealing needs. For equipment manufacturers and engineering projects, supporting services from design assistance to mass production are available.
Can ForndLock provide sanitary-grade fastener samples for testing?
Yes. ForndLock supports providing samples for installation testing, material confirmation, and project evaluation. Customers can verify product dimensions, sealing performance, surface treatment effects, and compatibility with equipment structures before bulk purchasing, reducing project procurement risks.




