Klein Tools

Model # 630-3/8

Internet # 202282838

Store SKU # 576305

3/8 in. Nut Driver

$8.48 /each

Frequently Bought Together

Product Overview

The Klein Tools 3/8 in. Nut Driver has been designed to suit many long bolt and stud applications. This tool is chrome-plated to help resist corrosion, and also features a cushion-gripped plastic handle for a comfortable grip.

California residents: see  Proposition 65 information

  • 3/8 in. hex drive size to fit over many long bolts and studs
  • Standard length to fit many applications
  • 3 in. full hollow shaft to facilitate work on stacked circuit boards or other long bolt applications
  • Internal flanges provide solid, twist-resistant shaft anchor
  • Premium chrome plated for a smooth feel and to help resist corrosion
  • 3-3/8 in. black plastic handle offers durability for extended use, and has a color-coded end for identification
  • Cushion-grip on handle for torque and comfort
  • Patented tip identification to help identify nut driver and size
  • Designed to meet applicable ASME/ANSI specifications
  • Made in the USA



Assembled Depth (in.) 
1.1 in 
Assembled Height (in.) 
9.5 in 
Assembled Width (in.) 
2.6 in 
Drive size (in.) 
Handle Length (in.) 
Shaft length (in.) 


Color Family 
Drive Type 
Hand Tool Type 
Individual Nut Driver 
Handle Material 
Number of Pieces 
Tools Product Type 
Hand Tool 

Warranty / Certifications

Manufacturer Warranty 
Klein products, manufactured and sold for commercial or industrial uses, are warranted to be free from defects in materials and workmanship for the normal life of the product. 

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Customer Questions & Answers

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Customer Reviews

Rated 5.0 out of 5 by 1 reviewer.
Rated 5.0 out of 5.0 by Does what it should This is a 3/8 inch nut driver, a simple tool designed to do one job. It does it well, just as it should. It's comfortable to hold and easy to use. March 10, 2016
  • 2016-07-24 T18:19:54.068-05:00
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