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Two hollow magnetic nutdrivers with cushioned grips

Klein Tools

Klein Tools 630M 2 pc hollow magnetic nutdriver set

SKU CH-M7NG-WDEEA MPN 630M

Two hollow magnetic nutdrivers hold fasteners while driving 1/4 and 5/16 inch sizes with 3 inch shanks

  • Product typeNut Drivers
  • Magnetic tips hold fasteners securely during installation
  • Hollow shafts clear bolts up to 1/4 inch depth
  • Two-piece set covers 1/4 and 5/16 inch sizes
  • Three-inch shank length reaches recessed hardware easily
  • Cushion grip handles reduce hand fatigue on long jobs

Hollow magnetic nutdriver set

The Klein Tools 630M is a two-piece hand tool set designed for driving hex-head fasteners. It suits electricians, HVAC technicians and maintenance crews who need reliable grip on nuts and bolts during installation or repair work.

Two SAE sizes with three-inch reach

The set covers 1/4 inch and 5/16 inch fastener sizes, each with a 3-inch shank length for access into recessed housings. Hollow shafts provide bolt clearance of 3/16 inch and 1/4 inch respectively, while magnetized tips hold hardware during positioning. Cushioned grips reduce hand fatigue during repetitive use.

Not for metric or insulated applications

Buyers who need metric hex sizes or insulated shafts rated for live electrical work must choose a different set. The tools are SAE only and carry no insulation rating, so they cannot be used as a safety barrier on energised circuits.

How it compares

Measured against everything we stock in Screwdrivers, Nut Drivers & Hex Keys, at today’s prices. Recalculated every night.

Price $19.99
Pricier than about 67% of the 415 comparable items (median $11.99).

Specifications

Product
Brand nameKlein Tools
Model name630M
Product typeNut Drivers
Size & build
Shipping weight0.20 kg
Package size25 × 25 × 25 mm

Questions about this item

Will the 630M set fit the same SAE fasteners I already use?

Yes, the two drivers cover 1/4 in and 5/16 in SAE sizes with 3/16 in and 1/4 in bolt clearance.

How can I check the magnetic tips are holding fasteners properly?

Place a screw on each tip; it should stay attached when the driver is tilted or shaken gently.

What comes in the 630M package and what must I add?

The box contains both hollow magnetic nutdrivers with cushion grips; no extra bits or accessories are included.

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