Professional Tool Reviews for Pros


Gearwrench Torque Screwdriver 20-Piece Set Review 89620

PTR Review
  • Overall Rating 9.5

Gearwrench dialed in their torque screwdriver set for electricians and there's a ton of potential for all kinds of assembly work. Whether you're assembling carbon fiber components or installing a panel, you can hit the full range of torque requirements from 10 – 50 in-lbs with one tool and avoid the headaches that both under and over-torquing cause.

Overall Score 9.5 (out of 10)

Gearwrench Torque Screwdriver Takes the Guesswork out of Setting Small Fasteners

Over-torquing fasteners sucks. At best, you risk damaging the fastener. At worst, you get to replace a part that wasn’t part of your cost equation. When it comes to smaller fasteners, Gearwrench aims to take the guesswork out with their torque screwdriver set.


Pros

  • Sets torque to the nearest single in-lb
  • Easy adjustments
  • Able to use any 1/4-inch hex bit

Cons

  • A Newton-meter scale would be nice

Using the Gearwrench Torque Screwdriver

Torque Range and Accuracy

One of the things we love about Gearwrench’s design is the single-digit torque settings from 10 – 50 in-lbs. To set the torque you’re looking for, pull down the release and twist the handle left or right.

Gearwrench Torque Screwdriver 20-Piece Set Review 89620

The shaft has a “tree” of measurements hitting every 10 in-lbs and a ring below that has measurements from 0 – 9. Let’s say you’re shooting for 25 in-lbs of torque. Twist the handle until it gets to the base of the 20 branch and then keep turning clockwise until you see the 5 on the ring.

It’s really very simple.

The accuracy is ±6%. Compared to some of the tools we use, that sounds like a lot. Even at the very top of the scale, 6% puts you at a range from 47 – 53 in-lbs, and that’s not so bad. On the small end of the range, it’s 9.4 – 10.6 in-lbs.

The only thing we’d really like to see is a Newton-meter scale in addition to the in-lbs for parts that spec Nm instead. With the way the shaft and ring measurements work, that’s not really practical, so we’ll have to do the math or look it up for now.


Installing Bits

Installing bits is super simple. The torque screwdriver’s collet has a one-hand entry design. Just push the bit in place and the collet secures it. To release the bit, push the collet back up.

Gearwrench Torque Screwdriver 20-Piece Set Review 89620

The nice thing is that it’s a 1/4-inch hex receiver, so you can use any 1/4-inch hex bit you have on hand if there’s something that’s not in the kit. We found a couple of bits from other brands that we were able to pull out with some effort, but they held more than well enough to work with.

Additional Features

  • Solvent-resistant co-molded handle
  • Meets or exceeds ASME B107.300
  • Certified calibration recommended every 12 months

Gearwrench Torque Screwdriver Price

Gearwrench sells their torque screwdriver as part of a 20-piece set (89620) for $234.99. In addition to the screwdriver and case, here are the bits that come with it:

  • #1 and #2 Phillips (both in 3-inch and 6-inch lengths)
  • #1 and #2 square (both in 3-inch and 6-inch lengths)
  • 3/16 and 1/4-inch slotted (both in 3-inch and 6-inch lengths)
  • 3/16, 1/4, 5/16, 11/32, 3/8, 7/16, and 1/2 nut drivers (6-inch length)

If you want just the screwdriver (89624) it runs $114.99.

The Bottom Line

Gearwrench dialed in their torque screwdriver set for electricians and there’s a ton of potential for all kinds of assembly work. Whether you’re assembling carbon fiber components or installing a panel, you can hit the full range of torque requirements from 10 – 50 in-lbs with one tool and avoid the headaches that both under and over-torquing cause.

Check out Gearwrench’s full line of torque products here.

Gearwrench Torque Screwdriver Specifications

  • Model: Gearwrench 89620 (20-piece set) or 89624 (torque screwdriver only)
  • Torque Range: 10 – 50 in-lbs
  • Accuracy: ±6%
  • Drive: 1/4-inch hex
  • Length: 7.68 inches
  • Warranty: 1 year (tool), 90 days (calibration)
  • Price: $234.99 (set), $114.99 (screwdriver only)

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Orlando Negron-Rodriguez

The 89621 has the Nm scale on it

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