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Description
21mm Deep Impact Socket
1/2" Drive | Professional Chrome Molybdenum Construction
Engineered for professionals who demand precision and durability. This 21mm deep impact socket delivers exceptional torque transfer and extended reach for alloy wheel applications, brake calliper work, and deep-set fasteners.
Technical Specification
| Socket Size | 21mm A/F (Across Flats) |
| Drive Size | 1/2" Square Drive |
| Socket Type | Deep Impact (Extended Reach) |
| Material | Chrome Molybdenum Steel (Cr-Mo) |
| Finish | Black Phosphate Coating |
| Application | Impact Wrench Compatible |
| Standard | DIN 3129 / ISO 2725-1 |
Engineering Excellence
Premium Construction
Forged from high-grade chrome molybdenum steel for superior strength-to-weight ratio. Heat-treated to exacting standards, this socket withstands the extreme forces generated by pneumatic and cordless impact tools.
Deep Profile Design
Extended depth provides critical clearance for recessed fasteners, threaded studs, and alloy wheel applications. Ideal for brake calliper bolts and suspension components where standard sockets cannot reach.
Professional Applications
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Alloy Wheel Service
Perfect for 21mm wheel nuts on European and Japanese vehicles -
Brake Calliper Work
Extended reach for recessed calliper mounting bolts -
Suspension Components
Access deep-set fasteners on struts, control arms, and subframes -
General Workshop Use
Essential tool for mobile mechanics and fixed workshops
Why Chrome Molybdenum?
Chrome molybdenum steel represents the gold standard for impact socket construction. This premium alloy delivers:
- Exceptional Impact Resistance – Absorbs shock loads without cracking or shattering
- Superior Torque Transfer – Precise 6-point hex design minimizes fastener rounding
- Extended Service Life – Outlasts standard chrome vanadium sockets by 3:1 ratio
- Corrosion Protection – Black phosphate finish resists rust and chemical exposure
- Professional Grade – Meets DIN and ISO standards for commercial workshop use
Compatibility
Impact Tools
1/2" pneumatic impact wrenches, cordless impact guns, air ratchets
Hand Tools
1/2" breaker bars, torque wrenches, ratchet handles, extension bars
Vehicle Types
European, Japanese, and domestic vehicles with 21mm wheel nuts and fasteners
UK Stock • Fast Dispatch
Professional-grade pneumatic fittings and accessories for trade customers
Part of our premium impact socket range
Payment & Security
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