A dependable tool for metric fastening work, the 17MM Combination Spanner is widely used across industrial service environments. Its practicality during routine mechanical maintenance makes it a standard item in plant tool inventories, workshop repair kits, and equipment service tool sets. The next section outlines its primary applications.
STANLEY 70-947E Application Context & Use Cases
This 17mm combination spanner is typically specified where controlled manual torque is required on metric hex bolts and nuts.
Industrial Maintenance
Plant equipment servicing
Machinery base mounting adjustments
Pump, motor, and gearbox assembly
Automotive & Fleet Workshops
Suspension components
Engine mounting brackets
Transmission assemblies
Construction & Site Operations
Structural fastening
Equipment anchoring
Temporary framework tightening
OEM Tool Rooms
Assembly line stations
Inspection and maintenance benches
The 17mm size is common in mid-range fastening systems. It is not a specialty size; it is a regular requirement in structured tool kits.
The STANLEY 70-947E is designed for durability, grip stability, and corrosion resistance under workshop and site use conditions.
Selection Guidance – Choosing the Correct 17mm Spanner
Before procurement, confirm the following:
Fastener Size Verification
Ensure actual bolt head dimension measures 17mm across flats.
Confirm no imperial sizing mismatch (e.g., 11/16”).
Application Torque Range
For higher torque applications, confirm:
Fastener grade (e.g., 8.8, 10.9)
Whether a torque wrench is required instead of manual spanner use.
Access Constraints
Limited clearance areas may require a shorter pattern spanner.
Deep recesses may require socket tools instead.
Frequency of Use
For repetitive daily use, ensure:
Adequate grip ergonomics
Surface finish durability
If used in heavy industrial conditions, avoid low-grade unbranded tools.
Capacity / Real-World Torque Logic
Manual torque depends on user-applied force and effective lever length.
Example Calculation:
If:
Applied hand force = 150 N
Effective spanner length = 0.20 m
Torque = Force × Length
Torque = 150 × 0.20 = 30 Nm
This torque is generally suitable for moderate fastening of standard structural fasteners within safe manual handling limits.
Exceeding safe torque by using pipe extensions increases risk of:
Tool deformation
Fastener rounding
Personal injury
The STANLEY 70-947E is designed for controlled manual torque, not for extension-assisted overloading.
Failure Conditions & Misuse Risks
Improper usage reduces tool life and creates safety risks.
Common Misuse Conditions
Using as a hammer
Applying extension pipes for leverage
Using wrong size on near-fit fasteners
Impact usage (hammer striking)
Potential Failures
Jaw spreading
Ring-end rounding
Chrome surface flaking
Fastener head stripping
Correct sizing and proper manual application preserve tool integrity.
Material & Compatibility Table
Fastener Compatibility
Fastener Type |
Compatibility |
|
Hex Bolt (Metric) |
Yes |
|
Hex Nut (Metric) |
Yes |
|
Flange Bolt |
Yes (if 17mm head) |
|
Imperial Fasteners |
No |
|
Rounded/Damaged Heads |
Limited |
Environmental Compatibility
Environment |
Suitability |
|
Indoor Workshop |
Suitable |
|
Outdoor Construction |
Suitable |
|
High Corrosion Marine |
Requires proper maintenance |
|
Chemical Exposure |
Clean after exposure |
Operational Handling Considerations
Always seat ring end fully before torque application.
Apply force in pulling motion when possible.
Avoid side loading.
Clean tool after exposure to moisture or chemicals.
Store in dry tool cabinet to prevent corrosion.
Proper handling extends service life and maintains dimensional accuracy.
Commercial Clarity
Lead Time
Standard dispatch subject to stock confirmation.
Bulk orders scheduled as per quantity requirement.
Dispatch Capability
Pan-India dispatch via insured logistics partners.
GST-compliant invoicing.
MOQ
No rigid MOQ for standard orders.
Bulk pricing applicable for distributor volumes.
Customization
Product customization not applicable (standard branded SKU).
Bulk packaging coordination possible.
Compliance & Documentation
Supplied as genuine branded product.
Tax invoice with GST provided.
Suitable for institutional procurement documentation.
Tender Compatibility
Model-specific quoting supported.
Technical specification sheet can be shared during enquiry.
Procurement Process – How to Enquire
For efficient processing, provide:
Required Quantity
Delivery Location (City/State)
Company Name
GST Number
Required Delivery Timeline
Whether requirement is for resale, maintenance, or tender
After review:
Commercial quotation shared
Availability confirmed
Dispatch timeline communicated
Structured enquiries are processed faster than price-only messages.
Comparison Table – Decision Validation
STANLEY 70-947E vs Common Alternatives
Parameter |
STANLEY 70-947E |
Unbranded Local Spanner |
Impact Socket (17mm) |
|
Material Grade |
Chrome Vanadium |
Varies / Often Low Grade |
Chrome Molybdenum |
|
Brand Traceability |
Yes |
No |
Yes |
|
Manual Torque Use |
Yes |
Yes |
No |
|
Impact Use |
No |
No |
Yes |
|
Dimensional Consistency |
Standardized |
Inconsistent |
Standardized |
|
Suitable for Tender |
Yes |
Rarely |
Yes (different application) |
This model is intended for controlled manual operations, not impact applications.
Selection Checklist
Before confirming order:
- Fastener head confirmed as 17mm metric
- Manual torque application required
- Not intended for impact use
- Quantity requirement defined
- Delivery location finalized
- GST-compliant procurement required
If all conditions are met, this model is appropriate.
High-Intent FAQs
Is this a genuine STANLEY 70-947E product?
Yes. Supplied as genuine branded unit with proper tax documentation.
Is bulk supply available for distributor requirements?
Yes. Distributor and institutional volumes can be scheduled subject to availability.
Does this spanner comply with standard metric dimensions?
Yes. Designed to standard metric specifications applicable to combination spanners.
Can it be used with extension pipes for higher torque?
Not recommended. Overloading increases risk of tool damage and injury.
Is this suitable for government or PSU tender supply?
Yes. Model-specific quotation and documentation support available.
. What is the typical dispatch timeline?
Dispatch is subject to stock confirmation and order volume.
Is there any warranty?
Manufacturer warranty policies apply as per branded product norms.
Technical Specifications
STANLEY Combination Spanner 17mm Technical Specifications
Core Specifications
Parameter |
Specification |
|
Brand |
STANLEY |
|
Model Number |
70-947E |
|
Tool Type |
Combination Spanner |
|
Size |
17 mm |
|
Measurement Standard |
Metric |
|
Material |
Chrome Vanadium Steel |
|
Finish |
Polished / Corrosion-resistant finish |
|
Head Type |
Open End + Ring End |
|
Ring End Profile |
12-point (typical configuration) |
|
Application |
Manual tightening/loosening of 17mm hex fasteners |
Dimensional & Functional Characteristics
Feature |
Functional Impact |
|
17mm Jaw Opening |
Fits standard M10–M12 hex heads (application dependent) |
|
12-Point Ring |
Improved engagement on worn fasteners |
|
Chrome Vanadium |
High tensile strength and wear resistance |
|
Polished Finish |
Reduced surface corrosion |
For detailed tolerance standards, reference DIN/ISO spanner dimensional norms applicable to metric hand tools.
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