Klein Tools NRHD4 6-in-1 Squar...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$426.93
$274.15
Klein Tools NRHD4 6-in-1 Square Impact Socket

Klein Tools NRHD4 6-in-1 Square Impact Socket

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Model: NRHD4
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$426.93
$274.15
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6-in-1 Square Impact Socket

  • Warnings

    • Always wear approved eye protection.

  • Features

    • Cross hole design to prevent unintentional separation of adapter and socket
    • 13/16-Inch diameter, 6-Inch (15 cm) long hollow shaft allows use on long threaded bolts
    • Two coaxial spring-loaded sockets in one tool
    • Engineered for use with impact drivers
    • Includes 3/4-Inch, 13/16-Inch, 1-Inch and 1-1/8-Inch square socket sizes plus a 7/16-Inch hex quick-change adapter
    • Color coded with double lines to identify size and slotted feature
    • 6-in-1 single-ended impact socket with hands free adjustment between socket sizes
    • Large and Small Slots; Hands-free Adjustment
    • Alignment slot to tighten and loosen most pole hardware
    • Works on 1/2-Inch, 5/8-Inch and 3/4-Inch pole hardware
    • Replacement adapter is available (Cat. No. NRHDA4)


NRHD4 - spec sheet

Manufacturer Resources

Spec Sheet

Product Specs

Drive Size:
7/16" Hex, 1/2" Square
Number Of Points:
4
Overall Height:
2" (5.1 cm)
Overall Length:
7" (17.8 cm)
Overall Width:
2" (5.1 cm)
Socket Size:
3/4", 13/16", 1", 1-1/8" Square
Standards:
ASME B107.2
Department:
Electrical
Product Group:
Hand Tools
Product Subgroup:
Sockets & Wrenches
Product Type:
Impact Socket
Product Details:
Impact Socket
Product Height:
2.0000 in
Product Material:
Steel
Product Weight:
2.2600 lbs
Product Width:
2.0000 in
Product Depth:
9.1000 in
Country of Origin:
Taiwan

Klein Tools NRHD4 – Frequently Asked Questions

1) What square socket sizes does the Klein NRHD4 6-in-1 impact socket cover?
The NRHD4 carries four square sizes in one tool: 3/4, 13/16, 1 and 1-1/8 inch. Two coaxial spring-loaded sockets swap between large and small slots with a hands-free adjustment, so you are not carrying four separate sockets up a pole. Double-line color coding on the body identifies which size and slotted feature you are on.
2) Will the Klein NRHD4 socket fit my impact driver, or do I need a 1/2 inch impact wrench?
Both work. The NRHD4 uses a 7/16 inch hex quick-change adapter for impact drivers and a 1/2 inch square drive, so it runs off a standard cordless impact driver or a 1/2 inch drive impact wrench. It is built specifically for impact use, not hand ratcheting.
3) Can this socket run down a long threaded bolt on a crossarm?
Yes, that is what the hollow shaft is for. The NRHD4 has a 13/16 inch diameter, 6 inch (15 cm) long hollow shaft so the bolt threads pass up through the socket instead of bottoming out. Overall the tool is 7 inches long.
4) Does the Klein NRHD4 work on standard pole line hardware?
It is made for it. The NRHD4 turns 1/2, 5/8 and 3/4 inch pole hardware, and an alignment slot lets it tighten and loosen most pole hardware including slotted fasteners a plain square socket would skip.
5) Will the adapter fall out of the socket while I am working aloft?
A cross hole design locks the adapter to the socket to prevent unintentional separation, which matters when you are working off a bucket or pole. If the adapter is ever damaged or lost, Klein sells it separately as Cat. No. NRHDA4.
6) Is the Klein NRHD4 a 4-point square socket or a standard 6-point?
Four points. It is a square-drive socket sized for square-head pole and lineman hardware, not a hex socket, so it will not drive standard hex bolts. The body is steel and the tool weighs 2.26 pounds.
7) Does the Klein NRHD4 meet a recognized socket standard for utility spec work?
It is built to ASME B107.2, the standard covering hand socket wrenches and drive fittings, which is the reference most utility and MRO tool specs cite for socket tooling.
8) How much room do I need to swing this socket in a tight crossarm space?
The NRHD4 measures 7 inches overall length with a 2 by 2 inch envelope at the head, so clearance is dictated mostly by the driver you hang on the back of it rather than the socket body.
How fast can I get the Klein Tools NRHD4 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 NRHD4 come with a warranty?
Absolutely. The Klein Tools NRHD4 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 NRHD4?
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 NRHD4 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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