The Eazypower Isomax Hex 5/16 in.-18 in. x 2.5 in. Screwdriver Bit Adapter in steel is built to expand your fastening toolkit with a precise, durable connection between a 1/4" hex shank and a 5/16"-18 threaded bit. Designed for non-magnetic applications and non-impact use, this single-piece adapter adds reliable versatility to any drill or driver lineup.
Why this Isomax adapter stands out
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Precise compatibility: 1/4" hex shank fits most standard drill chucks and drivers, while the 5/16"-18 threaded end accepts compatible threaded screwdriver bits and fasteners.
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Genuine Isomax performance: Part of the Isomax line, crafted in solid steel for dependable alignment and long wear in routine fastening tasks.
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Reach and leverage: With a 2.5" overall length, you get extended reach in tight or crowded spaces without sacrificing control.
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Non-magnetic & non-impact rated: Ideal for tasks where magnetism could cause shavings or ferrous parts to cling, and for use with standard hand-driven or corded tools—not designed for impact drivers.
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Simple, one-piece design: Carded packaging reflects a straightforward, ready-to-use component with no assembly required.
Who should use it
- Home improvers working with longer, threaded fasteners that require compatibility with a drill or driver’s hex chuck.
- Woodworkers and hobbyists needing a reliable adapter to bridge a 1/4" hex interface with 5/16"-18 bits.
- Techs and mechanics in non-magnetic environments where standard magnetic adapters are unsuitable.
Practical use cases
- Attaching connectors or fixtures that use 5/16"-18 threaded bits when your drill’s chuck accepts a 1/4" hex shank.
- Working in tight corners where a longer, threaded bit is required to reach fasteners without repositioning your drill frequently.
- As part of a modular toolkit for cabinetry, automotive trim, or small hardware assemblies where precise threading matters.
Tips for best results: keep threads clean and lightly oiled to ensure smooth engagement, and avoid high-torque or impact-driving scenarios since the adapter is not rated for impact use. Store with other steel fastening accessories to prevent loss and minimize wear.
