Britool England 1/4" Drive Metric Deep Hex Socket Chrome 4–14mm - SDHM
SDHM4A
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These Original Britool England 1/4" Drive Metric Deep Sockets are genuine British-made workshop tools finished in high-polished chrome for excellent durability, corrosion resistance, and long service life.
Designed with a deep hexagon profile, these sockets provide improved access to recessed fasteners, longer threaded studs, and restricted working areas. Their compact 1/4" square drive format makes them ideal for precision mechanical, automotive, and workshop applications.
With limited stock remaining, these rare original Britool sockets are a great choice for professionals, collectors, and users looking to maintain a genuine Britool tool kit.
Key Features
- Original Britool England manufacture
- 1/4" square drive compatibility
- Metric 6-point hexagon profile
- Deep socket design for improved access
- High-polished chrome finish
- Corrosion-resistant construction
- Rare original Britool stock
- Also limited availability in standard depth - SHM Range
- Limited availability in AF Imperial version in standard depth - SH Range and deep depth version - SDH Range
Available Sizes (Limited Availability)
- 4mm
- 5mm
- 5.5mm
- 6mm
- 7mm
- 9mm
- 11mm
- 12mm
- 13mm
- 14mm
Specifications
- Drive Size: 1/4" Square Drive
- Profile: Metric Hexagon (6 Point)
- Socket Type: Deep Socket
- Approximate Length: 50mm
- Finish: High-Polished Chrome
Ideal Applications
Perfect for:
- Automotive servicing and restoration
- Mechanical maintenance
- Workshop and engineering use
- Precision fastening work
- Accessing recessed fasteners and long studs
Complete Set Available
Prefer a complete collection? Also available as a 10-piece set – SDHMSET10A.
Please Note
The product image shown is a generic image used to illustrate the socket style and finish. You will receive the selected socket size as ordered.
Genuine Britool Heritage
Manufactured under the original Britool England branding, these deep metric sockets combine classic British engineering, professional durability, and workshop-ready performance.
The Brand
The HALLMARK range was developed by Britool in the 80's for the automotive aftermarket. it has been the professional’s choice ever since. Each tool is marked with the Britool hallmark 
your guarantee of quality.
The Britool Hallmark guarantee covers against defective materials and/or workmanship when used for the purpose for which they were designed and for the expected life of the tool. In the unlikely event that a product fails during normal use, it will be repaired or replaced. The guarantee does not extend to fair wear & tear, moving parts such as ratchet mechanisms or consumable items such as bits and repair kits.
