Teng Tools 3/8" Drive Long Hex Bit Socket Metric — M382504-C

Teng Tools 3/8 Inch Drive Long Hex Bit Socket 3-12mm - Metric Allen Bit Socket - Individual Sizes Sold Separately - Deep Reach Hex Drive Socket

$8.99

Size 4mm 5mm 5.5mm 6mm 7mm 8mm 10mm 12mm 3mm

Out of stock

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Data sheets (9 PDFs)

Metric hex fasteners recessed deep inside assemblies demand a socket with the reach and engagement to handle the job without slipping. This Teng Tools long-profile hex bit socket measures 74 mm (2.9 in) in overall length, providing the extra clearance required to access Allen-head bolts set inside engine covers, transmission housings, and industrial frames. The 12 mm tip engages all six flats of the fastener simultaneously, spreading the turning force across the maximum possible contact area. That full engagement helps prevent a partially seated bit from stripping a head, especially as torque values rise during stubborn removals. The 3/8 inch square drive end connects directly to any standard ratchet, breaker bar, or torque wrench in your existing toolkit. No adapters or reducers are needed, which means zero additional play in the drive train — every foot-pound goes straight from the handle to the fastener. Sold individually so you can pick up exactly the size you need. Whether you are replacing a lost socket, upgrading from a worn-out budget bit, or building a custom tray of only the metric sizes your shop encounters daily, buying one at a time keeps your investment focused and your drawer organized. From heavy-duty diesel engine work to precision manufacturing equipment maintenance, the combination of long reach and accurate metric sizing makes this socket a reliable everyday tool for professionals who cannot afford stripped bolts or wasted shop time.

Also part of 1 tool kit

M3809 Teng Tools 3/8 Drive Metric Long Hex Bit Socket Clip Rail Set 9 Pieces - 3 to 12 mm, DIN 7422 Chrome Finish - M3809

Kits shown in red are available to buy.

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Specifications

Type	Sockets & Accessories
Category	Standard Sockets
Drive size	3/8"
Measurement standard	Metric
Part number	M382504-C

Inside this socket

Sectional view through the socket wall, drawn to the published dimensions.

3 mm across flats
3/8" square drive
100 mm overall length

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.

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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.

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