3/4" Drive 6-Point Metric Socket 21mm — Teng Tools M3405216-C

Teng Tools 3/4 Inch Drive 6-Point Metric Socket 21 mm — Individual Heavy-Duty Socket for Professional Mechanics - M3405216-C

$15.99
$15.99
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3/4" Drive 6-Point Metric Socket 21mm — Teng Tools M3405216-C
  • 3/4" Drive 6-Point Metric Socket 21mm — Teng Tools M3405216-C
Teng Tools 3/4 Inch Drive 6-Point Metric Socket 21 mm — Individual Heavy-Duty Socket for Professional Mechanics - M3405216-C

Teng Tools 3/4 Inch Drive 6-Point Metric Socket 21 mm — Individual Heavy-Duty Socket for Professional Mechanics - M3405216-C

$15.99
$15.99
In stock
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When your work involves heavy machinery, commercial trucks, or industrial equipment, a 3/4 inch drive tool is not optional — it is essential. This Teng Tools 21 mm accessory delivers the torque-handling capability that smaller drives simply cannot match, letting you tackle large metric hardware with confidence. The 6-point interior profile sits squarely on all six flats of a hex bolt head, maximizing contact area and minimizing the risk of rounding. For technicians who have experienced the frustration of a slipped 12-point on a corroded fastener, the difference is immediate and measurable. Sized at 21 mm, this piece is sold individually. That matters when you already own a full tray and need a single replacement, or when your shop works exclusively in metric and you want to hand-pick each size rather than pay for a bundled kit full of duplicates. Pair it with any standard 3/4 inch drive ratchet, breaker bar, or extension to get started immediately. Teng Tools designs every product for professional use. Whether you are a fleet mechanic servicing a line of trucks each morning or an industrial technician keeping production equipment running, this 21 mm piece earns its place in the drawer by doing one job and doing it well.
Also part of 5 tool kits

Kits shown in red are available to buy.

Specifications

TypeSockets & Accessories
CategoryStandard Sockets
Drive size3/4"
Point6 Point
Part numberM3405216-C
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.

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