The 150mm adjustable spanner is one of the most frequently required hand tools in industrial tool inventories. Its compatibility with common metric fasteners and routine maintenance tasks makes it a standard inclusion in plant tool kits, workshop service sets, and project tool packages. The following section outlines the typical operational contexts where this tool is deployed.
STANLEY STMT87431-8 Application Context & Use Cases
The 150mm adjustable spanner falls into the compact-duty adjustable wrench category, typically deployed in:
- Electrical panel installation
- HVAC servicing
- Light mechanical maintenance
- Plumbing fitting adjustment
- Utility toolkits
- Facility management service kits
- OEM packing tool sets
Industrial Deployment Context
This model is used where:
- Fastener access space is limited
- Controlled torque is required
- A single adjustable tool must replace multiple fixed spanners
- Tool portability matters
It is not intended for high-torque structural bolting.
Selection Guidance
Correct selection depends on:
- Maximum fastener width required
- Required torque range
- Frequency of use
- Accessibility constraints
When 150mm Is Appropriate
- Fasteners up to light–medium duty
- Maintenance kits
- Electrical/mechanical servicing
- Portable technician tool bags
When Larger Sizes Should Be Considered
- Structural bolts
- Heavy industrial flanges
- Continuous torque-intensive applications
If your fastening requirement exceeds moderate torque, 200mm or 250mm adjustable spanners are more appropriate.
Capacity & Practical Use Logic
Real-World Fastener Logic
A 150mm adjustable spanner is typically used for:
- Small to medium hex nuts
- Utility bracket tightening
- Equipment cover removal
- Control panel assembly
Example Scenario
If a facility maintenance technician handles:
- 10–20 panel fasteners daily
- Moderate torque fittings
- Confined spaces
The 150mm format offers sufficient leverage while maintaining control.
For repetitive heavy-duty torque, it should not replace fixed spanners or larger adjustable models.
Failure Conditions & Misuse Risks
Incorrect application may cause:
- Jaw spreading under overload
- Rounding of fastener corners
- Chrome surface abrasion
- Loss of adjustment precision
Misuse Examples
- Using extension pipes for added leverage
- Hammer impact usage
- Applying on hardened oversized bolts
These conditions void tool integrity and reduce lifespan.
Material & Compatibility Table
|
Fastener Type |
Suitable |
Not Recommended |
|
Mild Steel Hex Nuts |
Yes |
— |
|
Stainless Steel Bolts (light duty) |
Yes |
— |
|
Heavy Structural Bolts |
No |
Yes |
|
Rusted Seized Bolts |
Limited |
Recommended to use penetrating solution first |
|
Precision Brass Fittings |
Yes (controlled torque) |
— |
Operational Handling Considerations
- Always seat jaws fully before torque application
- Maintain perpendicular alignment
- Do not apply side-loading pressure
- Store dry to maintain chrome finish
- Periodically check jaw alignment
This ensures controlled fastening and longer operational life.
Commercial Clarity
Stock & Lead Time
- Ready stock maintained for institutional supply
- Inventory verified before dispatch
- Same-day or next-working-day dispatch for confirmed orders
Dispatch Capability
- Pan-India shipment via industrial logistics partners
- Bulk carton dispatch supported
- Tracking provided post-dispatch
MOQ
- No rigid MOQ for institutional buyers
- Bulk pricing applicable for volume orders
Customization
- No customization (standard manufacturer SKU)
Compliance
- GST-compliant invoicing
- Original manufacturer packaging
- Model verification prior to dispatch
Tender Compatibility
- Suitable for institutional and PSU procurement
- Model-specific quoting supported
Procurement Process
To process institutional supply efficiently, provide:
- Required quantity
- Delivery location
- Company name
- GST number
- Required delivery timeline
- Whether repeat supply is expected
Upon enquiry:
- Stock confirmation
- Commercial quotation
- Dispatch timeline confirmation
- Invoice generation
- Shipment with tracking
This reduces procurement delay and ensures allocation before dispatch.
Comparison Table STANLEY 150mm Chrome Plated
150mm vs Common Alternatives
Parameter |
STMT87431-8 (150mm) |
200mm Adjustable |
Generic 150mm Spanner |
|
Portability |
High |
Medium |
High |
|
Torque Capacity |
Moderate |
Higher |
Inconsistent |
|
Jaw Precision |
Manufacturer standard |
Manufacturer standard |
Variable |
|
Finish |
Chrome Plated |
Chrome Plated |
Often lower grade |
|
Maintenance Suitability |
Yes |
Yes |
Depends on quality |
|
Institutional Use |
Yes |
Yes |
Risk of inconsistency |
The 150mm format balances portability and controlled torque.
Selection Checklist
Before placing order, confirm:
- Fastener size within compact wrench capacity
- Torque requirement is moderate
- Application is maintenance or light assembly
- Original branded supply required
- Bulk dispatch timeline acceptable
- GST invoice mandatory
If all apply, STMT87431-8 is appropriate.
High-Intent FAQs
1. Is this original STANLEY product?
Yes. Supplied in original branded packaging with model verification prior to dispatch.
2. Can you support bulk institutional orders?
Yes. Bulk allocation supported subject to stock confirmation.
3. What is the dispatch timeline?
Typically same-day or next-working-day dispatch after order confirmation.
4. Is it suitable for heavy industrial bolting?
No. For high torque structural applications, larger spanners are recommended.
5. Do you provide GST invoice?
Yes. All supplies are GST-compliant.
6. Is repeat supply available?
Yes. Repeat supply planning can be aligned based on consumption cycle.
7. Can this be quoted in tenders?
Yes. Model-specific quotations provided for institutional tenders.
Technical Specifications
STANLEY Adjustable Spanner 150mm Chrome Plated Technical Specifications
Manufacturer Specifications (Model: STMT87431-8)
Parameter |
Specification |
|
Brand |
STANLEY |
|
Model Number |
STMT87431-8 |
|
Tool Type |
Adjustable Spanner |
|
Overall Length |
150 mm (6 inch class) |
|
Finish |
Chrome Plated |
|
Jaw Type |
Adjustable precision-machined |
|
Application Range |
Light to medium fastening |
|
Handle Type |
Standard ergonomic profile |
|
Packaging |
Original branded packaging |
|
Compliance |
Manufacturer standard |
Surface & Material Characteristics
- Chrome plating improves corrosion resistance
- Smooth jaw adjustment mechanism
- Calibrated jaw alignment for controlled fastening
- Suitable for indoor and semi-industrial environments
Customer reviews