Description

Key Features

Deep Reach Socket

This deep socket gives you the extra reach needed for nuts on longer studs and recessed fasteners. That matters when a standard socket runs out of room before the job is done.

Chrome Vanadium Build

Made from premium chrome vanadium steel for strength and durability. For a hand tool like this, material quality is what keeps the socket working instead of rounding out under repeated use.

Better Grip By Hand

Knurled beauty rings help reduce hand slippage when you are spinning the socket on or off by hand. It is a small detail, but one you notice right away in greasy shop conditions.

Overview

The DeWalt DWMT88989OSP Mechanics 6 Point 3/8 in. Drive Deep Socket 5/8 in. is a single SAE deep socket built for fastening and removal work with a 3/8 inch drive ratchet or extension. This is a deep socket designed for turning 5/8 inch fasteners where extra socket depth is needed. Model Number: DWMT88989OSP.

The key setup here is straightforward and useful: a 5/8 inch SAE socket size, a 6-point opening, and a deep body. The 6-point design is the right choice when you want a more secure grip on the flats of a nut or bolt head instead of putting extra stress on the corners. That helps when you are working on stubborn hardware and want solid engagement from the socket.

The deep socket format makes this a better pick than a standard shallow socket when the fastener sits on a longer threaded stud or down in a recessed area. In real shop use, that means less fighting for clearance and less swapping between tools just to reach the nut properly. If you do automotive work, equipment maintenance, or general mechanical assembly, that extra depth is the whole reason to buy this version.

DeWalt builds this socket from premium chrome vanadium steel, which is the kind of material spec that actually matters on hand tools. It is there for strength and long-term durability, especially if the socket is going to live in a box, ride around in a service truck, and get used over and over on routine mechanical jobs.

Another practical feature is the knurled beauty ring. That textured band gives you a better grip when you are starting or backing off a fastener by hand before putting a ratchet on it. On clean hardware that is convenient. On oily or dirty hardware, it is even more useful because it cuts down on finger slip.

This DeWalt deep socket is a good fit for mechanics, maintenance techs, garage users, and serious DIYers who want a dedicated 5/8 inch socket instead of an all-purpose mixed bin full of worn-out pieces. If you already run a 3/8 inch drive ratchet set and need a dependable SAE deep socket for regular fastening work, this is the simple, correct piece to add.

Extra Reach for Studs and Recessed Fasteners

A deep socket earns its place when standard sockets cannot clear a protruding stud or reach a recessed nut. That makes this one a practical choice for automotive service, equipment repair, and general shop fastening.

• 5/8 inch SAE socket size for matching 5/8 inch fasteners
• 3/8 inch drive fits common ratchets and extensions in that drive class
• 6-point socket opening helps hold the flats of the fastener more securely

What’s in the Box

• (1) Deep Socket

Key Specifications

Drive Size	3/8 in.
Socket Size	5/8 in.
Measurement System	SAE
Point Count	6-Point
Socket Type	Deep Socket
Material	Chrome Vanadium Steel
Piece Count	1

Compatibility

Drive Interface

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

Fastener Size

Designed for 5/8 in. SAE nuts and bolts.

Built For

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

Pro Tip

Use a deep socket like this when the nut sits on a long stud, even if a shallow socket seems close enough. You will get full engagement without bottoming the socket out, and that usually means less slipping and less rounded hardware.

Tool Nut’s Take

Tool Nut’s Take

DeWalt DWMT88989OSP Mechanics 6 Point 3/8 in. Drive Deep Socket 5/8 in. is the right single-size shop replacement

If you need a dedicated 5/8 inch deep socket that does the job without drama, this is exactly the kind of piece to keep in your box.

• Who it’s for: Mechanics, maintenance techs, and DIY users who already run 3/8 inch drive hand tools and need reliable reach on 5/8 inch fasteners.
• Why it stands out: The deep socket format, 6-point grip, chrome vanadium construction, and knurled ring all speak to practical everyday use, not gimmicks.
• Worth knowing: This is a single socket, not a set, so it is best for filling a missing size or adding a dedicated deep option where you use 5/8 inch hardware often.

Common Questions

• Is this a deep or shallow socket? This is a deep socket.
• What drive size does it use? It uses a 3/8 in. drive.
• Is it SAE or metric? This socket is SAE.
• How many points does the socket opening have? It has a 6-point opening.