Key Features
1/2 Inch Drive Fit Built for 1/2 inch drive impact tools and ratchets, so it matches a common shop and garage setup without adapters getting in the way. Deep Socket Reach The deep impact socket design gives you extra clearance on longer fasteners and studs, which matters when shallow sockets stop short. Chrome Vanadium Build Premium chrome vanadium steel gives this socket the strength and durability you want for repeated shop use, not just occasional drawer duty.
Overview
The DeWalt DWMT73945OSP Mechanics 6 Point 1/2 in. Drive Deep Impact Socket 12 mm is a single deep impact socket made for mechanics, automotive work, and general fastening where you need solid engagement on 12 mm fasteners. This is a deep impact socket designed for driving and removing 12 mm nuts and bolts with a 1/2 inch drive tool. Model Number: DWMT73945OSP.
The key setup here is straightforward and useful: a 12 mm socket size, 6-point contact, and 1/2 inch drive. That combination matters because a 6-point socket gives better grip on hex fasteners than a multi-point design when you are putting real torque through an impact wrench or breaker bar. If you work on suspension hardware, engine bay fasteners, or stubborn shop bolts, that extra contact helps reduce rounding.
Because this is a deep socket, it is better suited for situations where the fastener sits on a longer stud or where standard-depth sockets do not have enough reach. That makes it a practical choice for automotive repair, equipment maintenance, and assembly work where clearance around the fastener is limited by thread length rather than side access.
DeWalt builds this socket from premium chrome vanadium steel for strength and durability. For the buyer, that means a socket intended to hold up to repeated use instead of feeling like a disposable add-on. The knurled beauty rings are also worth noting because they help reduce hand slippage when you are grabbing the socket off the bench, starting it by hand, or working with oily gloves.
This DeWalt deep impact socket is a simple piece, but that is the point. No filler, no oversized set you do not need, just one 12 mm impact socket in a common 1/2 inch drive size. If you already have the impact wrench, ratchet, or extension setup and need to fill a missing size in your socket lineup, this is the kind of single replacement or task-specific addition that makes sense.
Who should buy it? Mechanics, technicians, serious DIYers, and anyone maintaining vehicles or equipment with metric hardware. If you need a DeWalt 12 mm deep impact socket for regular fastening and removal work, this is the right fit. If you are looking for a full assortment, this is not that. It is one individual socket meant to cover one common metric size well.
What’s in the Box
- (1) DeWalt 12 mm Deep Impact Socket
Key Specifications
| Socket Size | 12 mm |
|---|---|
| Drive Size | 1/2 in. |
| Point Design | 6-Point |
| Socket Depth | Deep |
| Material | Chrome Vanadium Steel |
| Piece Count | 1 |
| Unit of Measure | Metric |
Compatibility
Drive Interface Fits 1/2 inch drive impact tools, ratchets, breaker bars, and extensions. Fastener Size Designed for 12 mm hex fasteners.
Built For
Automotive Mechanical Repair Equipment Maintenance Metric Fastening Garage Use DIY / Hobbyist
Pro Tip
Use this deep 12 mm socket when a nut sits on a protruding stud. It saves you from stacking extra adapters or switching to a shallow socket that will not seat fully on the fastener.
Tool Nut’s Take
Tool Nut’s Take
DeWalt DWMT73945OSP Mechanics 6 Point 1/2 in. Drive Deep Impact Socket 12 mm Gets the Basic Job Right
This is the kind of single socket you buy to fill a real gap in the drawer, and if 12 mm is a size you reach for often, it is worth having a proper deep impact version.
- Who it’s for: Mechanics, service techs, and serious DIY users who need a dedicated 12 mm deep socket for 1/2 inch drive impact or hand tool use.
- Why it stands out: You get a 6-point deep socket in chrome vanadium steel with a common 1/2 inch drive fit and a knurled ring that is actually useful when your hands are slick.
- Worth knowing: This is one socket, not a set. That is great if you are replacing a missing size, less great if you are starting from scratch.
Common Questions
- Is this a deep or shallow socket? This is a deep impact socket.
- What drive size does it use? It uses a 1/2 inch drive interface.
- Is it metric or SAE? It is a metric socket sized at 12 mm.
- How many points does the socket have? It has a 6-point design.
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