Klein Tools 409-70591 9-Key Folding Hex Nutdriver
- 5/64, 3/32, 7/64, 1…
- Hex Keys & Accessor…
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Drives 11/32 inch hex fasteners with a three inch hollow shank for bolt clearance
This Klein Tools nut driver is built for technicians who need a reliable hand tool to turn 11/32 inch hex nuts and bolts. The 3 inch hollow shank reaches recessed fasteners that a standard socket cannot engage. It suits electrical, HVAC and general maintenance work where a precise SAE fit is required.
The cushion handle absorbs vibration and distributes pressure across the palm during repetitive tightening or loosening. No moving parts or motors mean silent operation and zero power draw. The solid steel shank transfers torque directly without flex, keeping the effort predictable in normal use.
The 3 inch hollow round shank slides over protruding threads so the driver seats fully on the nut every time. A non‑magnetic tip avoids attracting metal shavings in sensitive assemblies. The tool carries a California Proposition 65 notice for chemical exposure awareness.
Measured against everything we stock in Screwdrivers, Nut Drivers & Hex Keys, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | Klein Tools |
| Model name | 630-11/32 |
| Product type | Nut Drivers |
| Size & build | |
| Shipping weight | 0.08 kg |
| Package size | 25 × 25 × 25 mm |
Slide the hollow round shank over the fastener so the 3 in bolt clearance fully covers the threads; the common mistake is stopping before the shank bottoms out, leaving the tip partially engaged.
Inspect the cushion grip for cracks and the non-magnetic tip for rounding; replace the driver if the tip no longer grips the 11/32 in fastener securely.
The hollow shank can flex if excessive torque is applied continuously, so the practical limit is the shaft deflection before the tip slips off the fastener.
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