Teng Tools 8 mm Metric Nut Driver with Classic Handle for Electrical and Mechanical Assembly - Individual Hex Driver - MDN408
Nut Drivers · MDN408
8 mm Metric Nut Driver
With Classic Handle for Electrical and Mechanical Assembly · Individual Hex Driver
- Fast US dispatch from our Fort Worth, Texas warehouse
- Genuine Teng Tools — professional-grade, designed in Sweden
- Secure checkout — encrypted payment, trusted providers
- Backed by guarantee — built to last a working lifetime
Why this one
Fixed 8 mm drive for precision fastening
This tool features a fixed 8 mm drive designed to accommodate standard metric fasteners quickly and accurately.
Classic handle design for reliable grip
The traditional handle profile fills your palm naturally and lets you apply steady rotational force without hand fatigue.
Reaches confined spaces
A dedicated driver body slides into tight spots that a standard wrench or ratchet-and-socket combination simply cannot access.
Ideal for electrical and mechanical assembly
Professionals who work on control panels, appliance manufacturing lines, and HVAC equipment know that an 8 mm fastener appears constantly in metric hardware.
Individual tool
PICK EXACTLY WHAT YOU NEED — Rather than paying for a full set when you only need one size, this individual driver lets you build or supplement your toolkit on your own terms.
Read the full description
When a wrench cannot swing and a socket cannot reach, a purpose-built driver is the answer. This 8 mm tool is designed to engage standard metric hex fasteners in the cramped, awkward locations that every electrician and mechanical assembler faces daily.
The fixed drive seats positively on the fastener, reducing cam-out and rounding that cost you time and hardware. Because the drive is permanently attached, there are no bits to lose and no collet to wear out — just a straightforward, reliable connection between your hand and the fastener.
The traditional handle fills your palm comfortably and transfers torque with minimal effort. On repetitive tasks such as panel wiring, appliance assembly, or HVAC installation, that ergonomic advantage adds up over hundreds of fasteners per shift.
Sold individually, this tool lets you customize your loadout. Add it to an existing collection, replace a worn driver, or simply keep a spare at a second job site. You choose exactly what goes into your bag — nothing more, nothing less.
Key details from the spec table: Type — Nut Driver, Drive Size — 8 mm. Built for tradesmen who value a focused, single-purpose hand tool that does one job and does it well every single day on the job site.
Specifications
| Category | Nut Drivers |
|---|---|
| Part number | MDN408 |
Lifetime warranty
Send a photo and your order number. Same-day shipping on replacements.
Ships from Texas
From our Fort Worth warehouse.
Questions?
Call (817) 767-3392.
Shipping
Free shipping on orders over $99. Orders are stocked, picked and shipped from our warehouse in Fort Worth, Texas — orders placed on business days ship same-day wherever possible.
Lifetime warranty
Teng Tools hand tools are backed by a lifetime warranty against manufacturing defects. Screwdriver bits and socket bits are consumables and are guaranteed to meet dimensional standards. Torque wrenches and air tools can be serviced and recalibrated on request — contact us to arrange it.
Returns
Not right for the job? Contact us within 30 days of delivery and we'll sort out a return or exchange. Tools must be unused and in their original packaging. Warranty claims are handled separately — a defective tool is our problem, not yours.
Why Teng Tools?
Swedish Design Since 1985
Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.
Shipped Fast from Texas
US warehouse in Fort Worth, so orders move fast. TAA approved for government and defense.
Lifetime Warranty
Something goes wrong? Send a photo and your order number — same-day shipping on replacements.
The Devil Is in the Detail
Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.