KLEIN TOOLS Hollow Round Shank Nut Driver: Straight, SAE, Without Magnetized Tip, Std
The KLEIN TOOLS Hollow Round Shank Nut Driver: Straight (MPN 646-1/4-INS) is an insulated nut driver with a round shank. It features a straight, standard design with a 6-inch shank length and is SAE-sized without a…
SKU 3G-OTH-302461
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Product Description
The KLEIN TOOLS Hollow Round Shank Nut Driver: Straight (MPN 646-1/4-INS) is an insulated nut driver with a round shank. It features a straight, standard design with a 6-inch shank length and is SAE-sized without a magnetized tip.
Frequently Asked Questions
What is the KLEIN TOOLS Hollow Round Shank Nut Driver used for?
This insulated nut driver is used for tightening or loosening hex-head fasteners in electrical work where live circuits may be present. Its hollow round shank accommodates longer bolts, and the insulation provides protection against electric shock up to 1000 VAC.
What are the specifications of the KLEIN TOOLS 646-1/4-INS nut driver?
The KLEIN TOOLS 646-1/4-INS is a straight, SAE-sized nut driver with a round shank, 6-inch shank length, and no magnetized tip. It is insulated for electrical safety and has a hollow design to fit over long bolts. The manufacturer part number is 646-1/4-INS.
Where to buy KLEIN TOOLS 646-1/4-INS nut driver worldwide?
3G Electric supplies the KLEIN TOOLS 646-1/4-INS nut driver worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the right KLEIN TOOLS nut driver for electrical work?
Select a nut driver that matches the fastener size (SAE or metric), shank length, and insulation rating. For live electrical work, choose an insulated model like the KLEIN TOOLS 646-1/4-INS, which offers protection up to 1000 VAC. Ensure the hollow shank fits bolt lengths if needed.
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3G Electric supplies KLEIN TOOLS insulated nut drivers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













