Washers - General Stores, Hardware and Tools
Marine washers are small hardware components fitted under bolt heads, nuts, or screw heads to distribute load, protect mating surfaces, maintain preload, and reduce loosening. Shipboard stocks commonly include flat, spring, locking, sealing, and large outside-diameter washers in corrosion-resistant materials.
ProShipWorks provides end-to-end support to source and supply Washers for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
Last updated:
Product Information
| Product Name | Washers |
|---|---|
| Product Category | General Stores, Hardware and Tools |
| Product Reference | 243 |
| Brands / Manufacturers | Nord-Lock, Schnorr, HEICO |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Load distribution under bolts and nuts |
| 2. Available in stainless steel, galvanized steel, and carbon steel |
| 3. Types include flat, spring, locking, sealing, and fender washers |
| 4. Suitable for ship machinery, pipe supports, electrical equipment, and structural fittings |
| 5. Available in metric and imperial sizes |
Applications of Washers
| Application |
|---|
| 1. Marine machinery and equipment mounting |
| 2. Pipe, cable tray, bracket, and support installation |
| 3. Ship repair, deck hardware, and general maintenance |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| ISO 7089 / DIN 125 A Flat Washer | Various qualified manufacturers |
| ISO 7090 / DIN 125 B Chamfered Flat Washer | Various qualified manufacturers |
| DIN 127 B Spring Washer | Various qualified manufacturers |
| DIN 9021 Large Outside-Diameter Washer | Various qualified manufacturers |
| Nord-Lock Wedge-Locking Washer | Nord-Lock Group |
Technical Specifications
| Model | Specification | Value | Unit |
|---|---|---|---|
| ISO 7089 / DIN 125 A | Type | Plain flat washer | — |
| ISO 7089 / DIN 125 A | Material | Carbon steel or stainless steel | — |
| DIN 127 B | Type | Split spring washer | — |
| DIN 9021 | Type | Large outside-diameter flat washer | — |
| Nord-Lock Wedge-Locking Washer | Locking principle | Wedge-locking tension system | — |
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 dimensional standards include ISO 7089, ISO 7090, ISO 7091, ISO 7092, ISO 7093, and DIN 125, DIN 127, DIN 9021. Material and mechanical property requirements may be specified to ISO 898-3 or applicable ASTM standards. |
|---|---|
| Class Approval | Washers are not normally individually type-approved by DNV, ABS, Lloyd's Register, BV, or ClassNK. For classified vessels, purchase documentation, material certificates, corrosion resistance, and approved fastening-system requirements may apply. |
Installation, Maintenance & Safety Information
| Installation Notes | Select the washer type, inner diameter, outer diameter, thickness, material, and strength for the fastener and joint. Install clean and flat beneath the bolt head or nut. Use locking washers only where appropriate and tighten fasteners to the specified torque. |
|---|---|
| Maintenance Tips | Inspect for corrosion, deformation, cracking, embedding, or loss of locking function during planned maintenance. Replace damaged or heavily corroded washers and avoid reusing distorted spring or wedge-locking washers. |
| Safety Notes | Use washers compatible with the fastener material and marine environment to reduce galvanic corrosion. Do not substitute ordinary washers for engineered structural or vibration-resistant locking systems. Follow the vessel's approved torque and fastening procedures. |
Request a Quote for Washers
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.