Klein Tools 3/8-Inch Nut Drive...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$62.59
$12.59
Klein Tools 630-3/8 3/8-Inch Nut Driver with 3-Inch Hollow Shaft

Klein Tools 3/8-Inch Nut Driver with 3-Inch Hollow Shaft and Cushion-Grip Handle

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Model: 630-3/8
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$62.59
$12.59
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Klein Tools 3/8-Inch Nut Driver with 3-Inch Hollow Shaft and Cushion-Grip Handle

Professional precision tool with hollow shaft design for extended bolt applications

Klein Tools delivers professional-grade performance with this 3/8-inch nut driver featuring a 3-inch hollow shaft design. Built with premium chrome-plated steel construction and Cushion-Grip handle, this tool provides reliable torque application and comfort for electrical and mechanical applications. The hollow shaft design facilitates work on stacked circuit boards and long bolt applications where standard drivers cannot reach.

Professional Features & Benefits

  • 3/8-Inch Size with Hollow Shaft: Enables work on long bolts and studs while providing precise fit for 3/8-inch fasteners
  • Premium Chrome Plating: Delivers smooth operation and corrosion resistance for long-lasting professional use
  • Cushion-Grip Handle: Allows for greater torque application and enhanced comfort during extended use
  • Tip-Ident System: Provides quick identification of nut driver size with color-coded handle end for efficient tool selection
  • Internal Flanges: Ensure solid, twist-resistant shaft anchor for reliable torque transfer
  • ASME/ANSI Compliance: Meets or exceeds applicable specifications for professional tool standards
  • Made in USA: Ensures consistent quality and manufacturing standards for professional applications

Technical Specifications

  • Color Code: Blue
  • Department: Electrical
  • Depth: 6.7500 in
  • Handle Material: Rubber
  • Height: 0.9000 in
  • Insulated: No
  • Magnetic: No
  • Material: Steel
  • Measurement Standard: SAE
  • Nut Driver Sizes: 3/8"
  • Overall Length: 6.75" (17.2 cm)
  • Product Group: Hand Tools
  • Product Subgroup: Screwdrivers & Drivers
  • Shaft Length: 3" (7.6 cm)
  • Weight: 0.2000 lbs
  • Width: 2.3670 in

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Electrical panel and junction box assembly
  • Circuit board installation and maintenance
  • HVAC equipment fastening applications
  • Industrial machinery assembly and repair
  • Commercial electrical installations
  • Maintenance and service operations
  • Professional contractor applications

Why Choose Klein Tools Quality?

Klein Tools maintains professional standards with premium chrome-plated construction, ASME/ANSI specification compliance, and Made in USA manufacturing. The Cushion-Grip handle design and internal flange construction ensure reliable performance and durability for demanding professional applications.

Manufacturer Resources

Product Specs

Color Code:
Blue
Depth:
6.7500 in
Handle Material:
Rubber
Insulated:
No
Magnetic:
No
Measurement Standard:
SAE
Nut Driver Sizes:
3/8"
Overall Length:
6.75" (17.2 cm)
Shaft Length:
3" (7.6 cm)
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Screwdrivers & Drivers
Product Height:
0.9000 in
Product Material:
Steel
Product Weight:
0.2000 lbs
Product Width:
2.3670 in

Klein Tools 630-3/8 – Frequently Asked Questions

How fast can I get the Klein Tools 630-3/8 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Klein Tools 630-3/8 come with a warranty?
Absolutely. The Klein Tools 630-3/8 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Klein Tools 630-3/8?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Klein Tools 630-3/8 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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