Nuts - General Stores, Hardware and Tools
Marine general-purpose nuts are threaded fasteners used with bolts and studs in shipboard machinery, piping supports, structural fittings, equipment foundations and maintenance work. Selection depends on thread form, size, strength grade, material and corrosion environment.
ProShipWorks provides end-to-end support to source and supply Nuts for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
Last updated:
Product Information
| Product Name | Nuts |
|---|---|
| Product Category | General Stores, Hardware and Tools |
| Product Reference | 241 |
| Brands / Manufacturers | Würth, Bossard, Unbrako |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Hexagonal and other standard configurations |
| 2. Metric and unified inch thread options |
| 3. Carbon steel, stainless steel and corrosion-resistant alloys |
| 4. Available in various strength grades and finishes |
| 5. Suitable for bolted machinery, piping and structural assemblies |
Applications of Nuts
| Application |
|---|
| 1. Ship machinery and equipment mounting |
| 2. Piping supports, flanges and deck fittings |
| 3. Structural, workshop and general maintenance repairs |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| DIN 934 Hexagon Nut | |
| ISO 4032 Hexagon Regular Nut | |
| ASTM A194 Heavy Hex Nut |
Technical Specifications
| Model | Specification | Value | Unit |
|---|---|---|---|
| DIN 934 Hexagon Nut | Thread size | M3 to M64, subject to supplier range | — |
| DIN 934 Hexagon Nut | Material | Carbon steel, stainless steel or alloy steel | — |
| ISO 4032 Hexagon Regular Nut | Property class | Commonly 5, 8, 10 or 12 | — |
| ASTM A194 Heavy Hex Nut | Common grades | 2H, 2HM, 8 and 8M | — |
| DIN 934 Hexagon Nut | Surface finish | Plain, zinc-plated or hot-dip galvanized | — |
Standards, Certifications & Class Approval
Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.
| Applicable Standards & Certification | Common references include ISO 4032, DIN 934, ISO 898-2, ASTM A194 and ASTM F594, depending on nut type, material and application. Material certificates and traceability may be required for critical shipboard use. |
|---|---|
| Class Approval | General-purpose nuts are not normally individually class-approved. For classed vessels, nuts used in safety-critical machinery, structural or piping assemblies may require approved material certificates and compliance with the applicable DNV, ABS, Lloyd's Register, BV or ClassNK rules. |
Installation, Maintenance & Safety Information
| Installation Notes | Verify thread size, pitch, material, strength grade and compatibility with the mating bolt or stud. Clean threads, use suitable washers where required, and tighten to the specified torque using calibrated tools. Do not mix incompatible materials in corrosive environments. |
|---|---|
| Maintenance Tips | Inspect for corrosion, looseness, thread damage and deformation during planned maintenance. Replace damaged or heavily corroded nuts with the same specification and grade. Recheck torque after machinery commissioning or significant vibration. |
| Safety Notes | Use the specified grade and torque; do not substitute ordinary nuts in critical joints. Wear eye and hand protection during installation and removal. Isolate machinery and piping systems before working, and follow vessel lockout/tagout procedures. |
Request a Quote for Nuts
Contact ProShipWorks for marine or industrial product sourcing, quotations and delivery.
- Vessel name and IMO number
- ETA / vessel schedule
- Berth or vessel location
- Required quantity
- Preferred delivery window
- Shipping agent contact details
Other General Stores, Hardware and Tools Products
Explore our range of marine and industrial General Stores, Hardware and Tools products available for sourcing and supply through ProShipWorks.
Why ProShipWorks?
Trusted & Professional Service
Experienced maritime professionals focused on quality, safety and dependable service execution.
24/7 Rapid Response
Fast response for planned and urgent vessel requirements, whenever support is needed.
Unbeatable Prices
Cost-effective marine services with competitive and transparent pricing for vessel requirements.
Port & Anchorage Coverage
Reliable marine service support across ports, anchorages and offshore locations.