STANLEY STMT72921-8B 3/8" 6 Point Standard Socket 13MM - Pan India Stock & Dispatch

This SKU is supplied as a genuine branded unit with GST-compliant invoicing and dispatch support across India.

STANLEY STMT72921-8B Application Context & Use Cases

This 13MM socket size is commonly used in:

• Automotive engine bay assemblies
• Suspension and braking components
• Industrial equipment maintenance
• Electrical panel mounting hardware
• Fabrication workshop assemblies

Typical Use Environment
Automotive Workshops
Used with 3/8" drive ratchets for mid-range torque bolts where 1/2" drive would be excessive.
Industrial MRO
Applied during preventive maintenance where metric fasteners are standard.
Infrastructure Contractors
Suitable for installation crews requiring portable toolkits.
The standard (non-deep) length makes it suitable where bolt projection is limited.

Selection Guidance – Choosing the Correct Socket

Confirm Drive Compatibility
Use only with 3/8" square drive tools.
Not compatible with 1/4" or 1/2" drive without adapters.
Confirm Fastener Size
Verify fastener head measures 13MM across flats.
Do not estimate visually.
Choose 6 Point vs 12 Point
6 Point sockets:

• Provide stronger contact surface
• Reduce rounding risk
• Suitable for higher torque than 12 point in same drive class

This SKU is 6 Point and recommended for controlled torque work.

Capacity / Real-World Torque Logic

A 3/8" drive system is typically used for medium torque range applications.
Practical Example:
If tightening a 13MM automotive bracket bolt:

• Typical torque range: 25–45 Nm
• 3/8" ratchet capacity supports this safely
• 6PT configuration distributes load across flat surfaces

Using a 1/4" drive may risk tool stress.
Using a 1/2" drive may reduce control in confined space.
This socket aligns correctly with mid-range torque operations.

Failure Conditions & Misuse Risks

Failure is typically caused by misuse, not manufacturing defect.
Common Misuse:

• Using impact wrench (non-impact rated socket)
• Applying extension pipes for over-torque
• Using incorrect fastener size
• Hammering onto rounded bolts

Consequences:

• Internal wall cracking
• Chrome flaking
• Fastener rounding
• Drive square distortion

This is a hand-tool application socket. Not impact-rated.

Material & Compatibility Table

Compatibility Matrix

Operational Handling & Installation Considerations

• Always seat socket fully onto fastener
• Ensure ratchet square locks securely
• Apply straight-line torque
• Avoid side loading
• Store in dry environment to prevent corrosion

Do not mix damaged fasteners with precision sockets.

Commercial Clarity

Lead Time
Stock-supported SKU. Dispatch cycle typically same or next working day depending on order timing.
Dispatch Capability
Pan-India shipping through structured logistics partners.
MOQ
No mandatory MOQ for single-unit supply.
Bulk pricing applicable for distributor quantities.
Customization
Not applicable. Branded standard SKU.
Compliance
GST invoice provided.
Supplied as genuine branded product.
Tender Compatibility
Can be included in institutional supply if SKU is specified in BOQ.
Supporting commercial documentation available upon request.

Procurement Process

To avoid delays, provide:

1. SKU Code: STMT72921-8B
2. Required Quantity
3. Delivery Location (City + PIN)
4. Company Name & GST Number
5. Required Dispatch Timeline

For bulk buyers, indicate expected repeat frequency.
This allows immediate stock confirmation and dispatch scheduling.

Comparison Table

13MM Socket Comparison Overview

For maintenance reliability, 6PT standard is preferred in most workshop conditions.

Selection Checklist

Before placing order, confirm:

• Fastener size is 13MM
• Drive system is 3/8"
• Standard depth required (not deep)
• Hand tool application (not impact)
• Quantity requirement confirmed
• Delivery location shared
• GST billing required

This prevents procurement errors.

High-Intent FAQs

1. Is STMT72921-8B impact rated?
No. It is a chrome hand socket. Not suitable for impact tools.
2. Can this be used with a torque wrench?
Yes, if torque wrench is 3/8" drive and torque range matches application.
3. Is this suitable for automotive suspension bolts?
Yes, where 13MM metric bolts are used within 3/8" torque range.
4. Do you provide GST invoice?
Yes. GST-compliant invoicing is standard.
5. Is bulk distributor pricing available?
Yes. Pricing structure depends on volume and repeat frequency.
6. Do you supply across India?
Yes. Dispatch support available Pan India.
7. How quickly can it be dispatched?
Stock-supported SKU. Dispatch typically same or next working day.