Holex Nut Driver Long with Handle, SAE nut driver with hexagon socket profile and power handle | ten inch sizes, 3/16 to 5/8 in.

Inch hex nuts often sit in deep or recessed locations, and reaching them is what the long pattern on this Holex Society of Automotive Engineers (SAE) nut driver is for, with a screwdriver-style handle built around mechanical and electrical service work. Control panels, HVAC cabinets, machine guards, and appliance chassis all fall in its range, wherever inch, or SAE, hardware needs controlled seating.
Ten inch sizes span 3/16 in. to 5/8 in. width across flats, and the size dropdown carries the complete list. Each blade is chrome vanadium steel with chrome plating. Buying several SAE nut drivers in neighboring sizes builds a working set matched to the hardware you actually service, and the screwdriver-format body keeps the nut turning continuously instead of in quarter-turn bites.

Key features:
• Multi-component power handle: a grip zone optimized for torque and comfort during repeated driving
• Hexagon socket profile: contacts all six flats of the nut, spreading torque across the fastener rather than its corners
• One driver per size: a fixed hex means the exact fit every time, with no adjustment to slip mid-turn
• Blade length 125 mm (4.92 in.): a stated figure for the long pattern, so you can match reach to how deep the nut sits

What do you use a nut driver for in the shop?
A nut driver seats and removes hex nuts and hex-head fasteners with a screwdriver motion, giving speed and control where a wrench is slow or clumsy.
Applications: control panel assembly, HVAC service, appliance repair, equipment guarding, electrical enclosure work, machine maintenance.
Industries: mechanical and electrical maintenance, HVAC, appliance service, equipment manufacturing, facilities management.
Users: maintenance technicians, HVAC technicians, assemblers, electricians.

What is a nut driver and when do you grab one?
A nut driver is a screwdriver-style tool with a hex socket at the tip, made to spin hex nuts and other hex fasteners on and off quickly. Nut drivers earn their place on light and medium hardware where sockets and ratchets are overkill, and the long blade on this Holex adds reach into recessed openings.

Does a hex nut driver work on metric nuts?
Not reliably. Inch and metric hex hardware follow different size steps, and a loose match rounds corners under torque. This hex nut driver line is inch-sized, running ten widths across flats from 3/16 in. through 5/8 in., so match it to SAE hardware and keep dedicated metric drivers for metric equipment.

How do you keep hex fasteners from rounding off?
Use the exact size for the nut, seat the tool fully over the flats before turning, and keep your torque steady and in line with the fastener. The multi-component power handle on this Holex has a grip zone shaped for controlled force, which is what protects small SAE hardware from damage.