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5/16-Inch Hex Bit Socket — 3/8 in. Drive
- Mfg.#
- 0-3706
- Sku#
- 7531593
- Designed for 5/16-inch hex fasteners in standard socket applications
- Features a 3/8-inch drive to fit compatible ratchets and socket tools
- Hardened bits provide long life under repeated fastening use
- Designed to deliver extra torque compared with conventional hex keys
- Rated for temperatures from 0 to 3701F per product specifications
* Estimated stock levels as of Tue, Apr 14, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
The K-T 5/16-Inch Hex Bit Socket is a sturdy, purpose-built tool for driving 5/16-inch hex fasteners with power tools or ratchets. With a 3/8-inch drive size, it fits common ratchets and impact drivers, making it a go-to choice for routine maintenance, automotive repairs, appliance work, and assembling furniture or equipment that uses hex-head hardware. The socket is engineered to transfer torque cleanly to the fastener for reliable engagement and reduced rounding. Backed by a lifetime manufacturer warranty, it provides long-term value for mechanics, hobbyists, and tradespeople who want a dependable hex bit for repetitive use. Keep it in your toolbox for tasks from brake work and engine access to tightening fixtures and general shop repairs.
Specifications
General
| Drive Size | 3/8 in |
|---|---|
| Type | Sockets |
Dimensions
| Size | 5/16 in |
|---|
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | Lifetime |
|---|
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