Description

Key Features

Deep 21 mm Socket

The DeWalt DWMT96362OSP Mechanics 6 Point 3/8 Inch Drive Deep Socket 21 mm gives you the extra depth needed to reach recessed fasteners and nuts on longer studs.

Chrome Vanadium Build

Made from premium chrome vanadium steel for the strength and durability you want in a daily-use mechanic socket.

Better Grip

Knurled beauty rings help reduce hand slippage when you are starting fasteners by hand or working with greasy fingers.

Overview

The DeWalt DWMT96362OSP Mechanics 6 Point 3/8 Inch Drive Deep Socket 21 mm is a single deep socket built for turning 21 mm fasteners with a 3/8 inch drive ratchet or extension. This is a deep socket designed for automotive and general mechanical fastening. Model Number: DWMT96362OSP.

The 6-point design matters because it gives solid contact on the flats of the fastener instead of crowding the corners. That is the style most mechanics reach for when they want a more secure grip on stubborn nuts and bolts, especially when the hardware has seen some wear.

The deep socket body gives you the reach needed for nuts on longer threaded studs and for fasteners that sit below the surface. If you work on suspension parts, engine bay hardware, equipment assembly, or general repair, that extra depth is the difference between getting the socket on cleanly and fighting the job with the wrong tool.

DeWalt uses premium chrome vanadium steel here, which is the right material for a hand tool socket that needs to hold up to repeated shop use. It is built for strength and durability without adding unnecessary complexity. The polished finish also helps keep the socket easy to wipe down after use.

One detail worth calling out is the knurled beauty ring near the base. That gives you a better grip when you are spinning the socket by hand to start or remove a fastener, which is especially useful when your hands are oily or you are working in tighter spaces where feel matters.

This DeWalt deep socket is a good fit for mechanics, maintenance techs, garage users, and serious DIYers who need a straightforward 21 mm metric socket in a 3/8 inch drive. If you already have a ratchet set and just need to fill a size gap or replace a worn socket, this is the practical buy.

Reach Recessed Fasteners More Easily

This 21 mm deep socket is built for jobs where a standard socket does not have enough internal depth to clear longer studs or recessed hardware.

• Deep socket format for better access on longer threaded fasteners
• 3/8 inch drive fits common ratchets and extensions used in mechanic work
• 6-point opening helps hold fasteners more securely during removal and installation

What’s in the Box

• (1) DeWalt 21 mm 6-Point 3/8 Inch Drive Deep Socket

Key Specifications

Drive Size	3/8 in
Socket Size	21 mm
Point Style	6-Point
Socket Type	Deep Socket
Material	Chrome Vanadium Steel
Piece Count	1

Compatibility

Drive Tools

Fits standard 3/8 inch drive ratchets, breaker bars, and extensions.

Fastener Size

Designed for 21 mm metric nuts and bolts.

Built For

Automotive Mechanical Repair Equipment Maintenance Garage Work General Contracting DIY / Hobbyist

Pro Tip

Use a deep socket like this when the nut sits on a long stud. It keeps the socket fully seated instead of stopping short, which helps you avoid rounding the fastener.

Tool Nut’s Take

Tool Nut’s Take

Simple Socket, Right Size, No Nonsense

The DeWalt DWMT96362OSP Mechanics 6 Point 3/8 Inch Drive Deep Socket 21 mm does exactly what a good mechanic socket should do: fit right, hold fasteners securely, and stand up to regular use.

• Who it’s for: Anyone filling out a metric socket rail for automotive, maintenance, or repair work.
• Why it stands out: You get a useful 21 mm deep format, 6-point grip, and chrome vanadium construction in a straightforward single-socket buy.
• Worth knowing: This is one socket, not a set, so it makes the most sense when you need this exact size and drive combination.

Common Questions

• Is this a shallow or deep socket? This is a deep socket.
• What drive size does it use? It is made for a 3/8 inch drive ratchet or extension.
• What fastener size is it made for? It is designed for 21 mm metric fasteners.
• Is it a 6-point or 12-point socket? It is a 6-point socket.