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Klein Tools magnetic nut driver with 3 inch shaft and cushioned grip

Klein Tools

Klein Tools 630-1/2M magnetic nut driver 1/2 inch 3 inch shaft

SKU CH-NVJW-SG577

Magnetic 1/2-inch nut driver with 3-inch hollow shaft holds fasteners securely

  • Magnetic tip holds fasteners securely during installation
  • Hollow round shank clears bolt threads for full engagement
  • 3-inch shaft reaches recessed hardware easily
  • Cushion grip reduces hand fatigue on repetitive tasks
  • SAE sizing matches standard 1/2-inch fasteners

1/2-Inch Magnetic Nut Driver

The Klein Tools 630-1/2M is a hollow-round shank nut driver built for 1/2-inch fasteners. Its magnetized tip holds bolts securely during installation or removal. The 3-inch shaft length provides reach into recessed hardware. It is designed for professionals and DIY users who need reliable fastener engagement.

Cushion grip handles torque and comfort

A cushion grip reduces hand fatigue when applying force to stubborn fasteners. The hollow round shank allows bolt clearance through the driver body. No insulation or ESD-safe rating is present, so it is not suited for live electrical work. The tool transmits torque directly without powered assistance.

Magnetized tip changes fastener handling

The magnetic tip holds the fastener in place, allowing one-handed starts in tight or awkward locations. This feature reduces dropped bolts and speeds up repetitive assembly tasks. No bundled accessories or software accompany this single driver. The Proposition 65 notice indicates chemical content but does not alter the tool's function.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 86% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameKlein Tools

Questions about this item

How do I fit the 1/2-inch magnetic nut driver onto my drill, and what step do people miss?

Insert the 3-inch hollow round shank fully into the chuck and tighten securely; the step often missed is checking that the magnet seats the fastener before you start driving.

What part of the 630-1/2M will wear first and need replacement?

The magnetic tip can lose holding strength over time; when fasteners no longer stay in place, replace the driver.

What limit appears first during continuous use of the magnetic nut driver?

Heat buildup in the shank reduces grip on the fastener, so pause periodically to let the tool cool.

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