Klein Tools 409-70591 9-Key Folding Hex Nutdriver
- 5/64, 3/32, 7/64, 1…
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A corded production screwdriver with adjustable torque from 4.4 to 16 in-lb and a 1/4 in quick-change chuck
The Ingersoll/Rand ES90P is a corded production screwdriver built for repetitive fastening in industrial assembly. It delivers adjustable torque from 4.4 in-lb to 16 in-lb with a shut-off clutch that stops at the preset value. A 1/4 in quick-change chuck accepts standard hex bits for rapid changeover.
The brushless motor runs on 0.4 A through a 10 ft two-prong cord, so there is no battery to charge or replace. Continuous variable speed up to 2 000 RPM lets the operator match speed to the joint without sudden torque spikes. The straight drive configuration keeps the tool balanced during extended shifts.
The 3/4 in side-to-center distance allows access to fasteners close to walls or adjacent components. Reversible operation and continuous speed control suit both driving and removal tasks without swapping tools. Heavy-duty construction supports all-day use on a fixed workstation.
Measured against everything we stock in Screwdrivers, Nut Drivers & Hex Keys, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | INGERSOLL-RAND |
Adjust the torque ring between 4.4 in-lb and 16 in-lb before starting; the common mistake is changing the setting while the motor is running, which can damage the shut-off clutch.
The 1/4 in quick-change chuck and carbon brushes wear with heavy-duty use; the 10 ft cord and two-prong plug should be inspected regularly for damage.
The 0.4 A motor reaches thermal limits during sustained high-torque runs at 2,000 RPM, triggering the shut-off clutch to protect the tool.
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