Description

Key Features

Better Fastener Grip

DirectTorque technology is built to contact the fastener more effectively, which helps reduce rounding and gives you a more confident hold when you are working on stubborn hardware.

Built for Daily Use

The chrome vanadium steel body and polished finish are made for repeated shop use while helping resist chipping and flaking over time.

Deep Socket Reach

This DEWALT deep socket gives you the extra depth needed for nuts on longer studs and recessed fasteners where a standard socket comes up short.

Overview

The DEWALT 12 mm 1/4 Inch Drive 6-Point Metric Deep Socket, model DWMT86100OSP, is a metric deep socket made for turning 12 mm fasteners with a 1/4 inch drive ratchet or extension. This is a deep socket designed for fastening and mechanical service work where extra reach matters. It is a good fit for technicians, mechanics, and serious DIY users who want a single socket that grips well, lasts, and keeps its size marking readable.

The main selling point here is DEWALT’s DirectTorque design. That matters because socket failure usually starts with damaged fastener corners, especially on smaller hardware. A socket that grips more effectively helps you get the fastener moving without chewing it up. On routine repair work, that means less slipping, less frustration, and a better chance of removing hardware cleanly the first time.

Because this is a 6-point deep socket, it is aimed at users who want solid engagement on hex fasteners and extra clearance over longer studs or recessed nuts. That deep-well profile is what makes it more useful than a shallow socket in a lot of real maintenance work, especially when the threaded portion of the fastener extends past the nut. If you work on automotive trim brackets, small engine components, equipment panels, or general service hardware, that added depth is the difference between reaching the fastener and stopping short.

DEWALT uses chrome vanadium steel here, which is the right material for a hand socket that needs strength without being oversized. The polished chrome finish is not just for looks. It helps protect the socket against chipping and flaking and makes cleanup easier when it picks up grease or grime in the shop. The knurled control ring also gives you a little extra grip when you are starting the socket by hand or pulling it from a tray with oily fingers.

Hard-stamped markings are another detail worth calling out. On small sockets, laser-etched or lightly printed size labels tend to fade or disappear after enough use. Deeply stamped markings hold up better, so you spend less time guessing sizes or hunting for a replacement when the finish gets dirty. For a socket that is likely to live in a drawer, rail, or mobile service kit, that is a practical feature, not filler.

If you need a compact drive size with metric sizing and the reach of a deep socket, this one makes sense. It is best for users already working with 1/4 inch drive hand tools and handling smaller fasteners where control matters more than brute force. If your work regularly calls for tight access, long studs, and clean engagement on 12 mm hardware, this is the kind of individual socket worth having instead of relying on a mixed pile of worn-out pieces.

Reach Past Standard Socket Limits

A deep socket earns its keep when a standard socket cannot fully seat over a nut because of stud length or recessed access. This one is built to handle that kind of everyday fastening work without taking up much room in a compact service kit.

• 12 mm metric size for common small fasteners
• 1/4 inch drive size fits light-duty ratchet and extension setups
• 6-point design focuses on secure contact with hex fasteners

What’s in the Box

• (1) DEWALT 12 mm 1/4 Inch Drive 6-Point Metric Deep Socket

Key Specifications

Socket Size	12 mm
Drive Size	1/4 in
Socket Points	6-Point
Socket Type	Deep Well
Material	Chrome Vanadium Steel
Measurement System	Metric
Weight	0.11 lbs

Built For

Automotive Mechanical Service Equipment Maintenance General Fastening DIY / Hobbyist

Pro Tip

Use a deep socket like this when the stud extends past the nut. It lets the socket fully seat on the fastener instead of hanging up early, which gives you better contact and helps avoid rounding smaller hardware.

Tool Nut’s Take

Tool Nut’s Take

DEWALT 12 mm 1/4 Inch Drive 6-Point Metric Deep Socket for the drawer that actually gets used

This is the kind of individual deep socket that makes sense when you are tired of rounded fasteners and half-worn bargain-bin pieces.

• Who it’s for: Mechanics, service techs, and DIY users who already run 1/4 inch drive hand tools and need a dependable 12 mm deep socket.
• Why it stands out: DirectTorque design, a true deep-well profile, chrome vanadium steel construction, and stamped markings that are easier to live with long term.
• Worth knowing: This is a single socket, not a set, so it is best for replacing a missing size or building out a kit one useful piece at a time.

Common Questions

• Is this a deep socket or a standard socket? It is a deep-well socket.
• What drive size does it use? It uses a 1/4 inch drive.
• What fastener size is it made for? It is sized for 12 mm metric fasteners.
• Is this a 6-point socket? Yes. It is a 6-point socket designed for hex fasteners.