Description

Key Features

Protects Fasteners

DirectTorque technology is built to grip fasteners more effectively and help reduce rounding. That matters when you are leaning on stuck hardware and do not want the socket slipping off the corners.

18 mm 6-Point Fit

This DeWalt socket is sized for 18 mm metric fasteners and uses a 6-point opening for solid contact on flats. It is a better choice than a 12-point socket when you want maximum bite on stubborn bolts.

Grip and Durability

Chrome vanadium steel gives the socket the strength expected in a mechanic’s drawer, while the knurled control ring helps with handling when your hands are oily or you are swapping sockets fast.

Overview

The DeWalt DWMT86518OSP 6 Point 1/2 in. Drive Socket 18 mm is a single metric hand socket built for turning 18 mm fasteners with a 1/2 inch drive ratchet or breaker bar. This is a socket designed for fastening and loosening metric nuts and bolts in automotive and general mechanical work. Model Number: DWMT86518OSP.

This 6-point socket is the right style when you care more about grip than extra indexing positions. A 6-point opening puts more contact on the flats of the fastener, which helps when bolts are tight, slightly worn, or have already seen too many cheap sockets. DeWalt also calls out DirectTorque technology, which is intended to help prevent rounding and improve hold under load.

Material matters on a hand socket, and this one uses chrome vanadium steel. That is the standard most buyers expect for everyday mechanic and shop use because it balances strength, wear resistance, and reasonable weight. The polished chrome finish helps resist chipping and flaking, and it also makes cleanup easier after greasy work.

Small design details are what separate a decent socket from one you actually want to keep using. The knurled control ring gives you better grip when starting a socket by hand or pulling it off the rail, especially if your hands are slick. Hard-stamped markings are another practical touch. You can still identify the size after the laser-etched or printed markings on cheaper sockets would have disappeared.

Because this is a 1/2 inch drive socket, it fits into a size range commonly used for more serious fastening work than smaller 1/4 inch and 3/8 inch drive setups. That makes it a useful pick for suspension hardware, larger automotive fasteners, equipment service, and general shop tasks where you need more leverage. The 18 mm size is common enough that it earns its place in a mechanic’s drawer instead of living in the bottom of a mixed bucket.

If you need one specific metric socket instead of a full set, this is exactly the kind of piece that makes sense to buy individually. It is best for mechanics, technicians, and serious DIY users who want a durable 18 mm socket with a 1/2 inch drive and prefer a 6-point design for better fastener engagement. If you are working on larger metric hardware and want dependable contact without overthinking it, this is the right style of socket.

Better Bite on Metric Fasteners

The DeWalt DWMT86518OSP 6 Point 1/2 in. Drive Socket 18 mm is built for users who want secure engagement on larger metric hardware. The 6-point opening and DirectTorque design focus on holding the fastener instead of chewing up the corners.

• 18 mm metric socket size for common automotive and equipment fasteners
• 1/2 inch drive fits standard hand ratchets and breaker bars in that drive class
• Knurled ring improves handling during socket changes
• Polished chrome vanadium construction is made for repeated shop use

What’s in the Box

• (1) DeWalt DWMT86518OSP 18 mm 6-point 1/2 in. drive socket

Key Specifications

Drive Size	1/2 in.
Socket Size	18 mm
Point Configuration	6-point
Material	Chrome Vanadium Steel
Finish	Polished Chrome / Brushed
Length	0.71 in.
Weight	0.18 lb
Piece Count	1

Built For

Automotive Industrial Maintenance General Mechanical Work Metric Fastening Garage and Shop Use DIY / Hobbyist

Warranty & Support

Full Lifetime Warranty.

Tool Nut’s Take

Tool Nut’s Take

DeWalt DWMT86518OSP 6 Point 1/2 in. Drive Socket 18 mm Is the Right Kind of Simple

This is the kind of single socket you buy when you are tired of using the wrong size, rounding fasteners, or digging through a cheap set for the one piece that is already gone.

• Who it’s for: Mechanics, techs, and serious DIY users who need a dedicated 18 mm socket for 1/2 inch drive fastening work.
• Why it stands out: The 6-point design, DirectTorque geometry, and chrome vanadium build all point toward better grip and longer service life in real shop use.
• Worth knowing: This is a single hand socket, not a set and not an impact socket, so buy it for ratchet and breaker bar duty when 18 mm is the size you keep reaching for.

Common Questions

• What drive size does this socket use? It uses a 1/2 inch drive.
• Is this a 6-point or 12-point socket? It is a 6-point socket.
• What size fastener is it made for? It is sized for 18 mm metric fasteners.
• What is it made from? Source data lists chrome vanadium steel with a polished chrome finish.