Model # 48-22-2507

Internet #204456640

Milwaukee SAE HollowCore Nut Driver Set (7-Piece)


SAE HollowCore Nut Driver Set (7-Piece)

  • Universal driver heads fit square, hex, 12-point and spine
  • Unlimited depth for long bolts and threaded rods
  • Limited lifetime warranty
$6692 /each
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Product Overview

Milwaukee's 7-Piece SAE HollowCore Magnetic Nut Drivers feature a thread-through design for unlimited depth in threaded rod and long bolt applications. The magnetic universal driver heads fit a range of fasteners including square, hex, 12-point and spine for versatile use. Delivering maximum durability, the wrench-ready hex steel shanks are forged and chrome plated in this built-to-last design.

  • HollowCore unlimited depth is ideal for long bolts or threaded rod applications
  • Magnetic drivers secure fitment in fastening applications
  • Universal driver head fits a wide variety of fasteners
  • Removes rusted and stripped bolts
  • Color-coded ID markings allow for quick tool identification
  • Wrench-ready hex shanks deliver additional leverage
  • Chrome plated design offers marine-grade rust protection
  • Forged steel shanks provide long life and durability
  • Deep well sockets drive multiple fasteners
  • Includes HollowCore magnetic nut drivers in the following sizes: 9/16 in., 1/2 in., 7/16 in., 3/8 in., 11/32 in., 5/16 in. and 1/4 in.

Info & Guides

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Name SAE HollowCore Nut Driver Set (7-Piece) Magnetic Nut Driver Set (7-Piece) Magnetic Nut Driver Set (7-Piece) Heavy-Duty Nut Driver Set (6-Piece)
Brand Milwaukee Klein Tools Klein Tools Klein Tools
Ratings (12) (6) (8) (9)
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Product Depth (in.)
Product Height (in.)
Product Width (in.)


Color Family
Hand Tool Type
Nut Driver Set
Measurement Standard
Tools Product Type
Hand Tool

Warranty / Certifications

Manufacturer Warranty
Limited Lifetime

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Customer Questions & Answers

what are the sizes that come in the set?

Asked by: abel
The set includes 1/4" HollowCore™ Magnetic Nut Driver (48-22-2521), (1) 5/16" HollowCore™ Magnetic Nut Driver (48-22-2522), (1) 11/32" HollowCore™ Magnetic Nut Driver (48-22-2523), (1) 3/8" HollowCore™ Magnetic Nut Driver (48-22-2524), (1) 7/16" HollowCore™ Magnetic Nut Driver (48-22-2525), (1) 1/2" HollowCore™ Magnetic Nut Driver (48-22-2526), and (1) 9/16" HollowCore™ Magnetic Nut Driver (48-22-2527).
Answered by: CommunityAnswer
Date published: 2017-08-04

whats the differance between the hollowcore and the hollow shaft nut drivers

Asked by: Steve
The hollowcore allow for the bolt to pass all the way through the nut driver and exit the bottom of the handle. This works well for longer applications. Whereas the hollow shaft only allows a depth of roughly 3" before stopping inside of the handle.
Answered by: Adam
Date published: 2016-04-21
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Customer Reviews

SAE HollowCore Nut Driver Set (7-Piece) is rated 4.5 out of 5 by 12.
Rated 3 out of 5 by from Found these to be very well constructed. The handles are very comfortable and the shank / socket ... Found these to be very well constructed. The handles are very comfortable and the shank / socket have a sold feel to them. Spline drive inside socket grips well. Had these less then a week before I had to send them back. Now for the problem; these are magnetic but with the socket area so deep the magnet doesn't hold onto things. I do a/c repair and appliance repairs so I have a lot of screws that I put into the end so magnet holds in place to allow me install screws. With magnets so far up in socket they don't hold them. Called Milwaukee and they are aware of this problem but don't have a fix for it. If they ever get it resolved I would try them again.
Date published: 2017-05-24
Rated 5 out of 5 by from Needed that extra depth that a regular nut drivers don't... Needed that extra depth that a regular nut drivers don't have these work great and the color code on the end of the handle is great when your in a hurry
Date published: 2017-05-17
Rated 4 out of 5 by from Works fine broke the magnet out of one of the... Works fine broke the magnet out of one of the nut drivers on the first use
Date published: 2017-04-05
Rated 4 out of 5 by from 4 Star Review Rating provided by a verified purchaser
Date published: 2017-04-22
Rated 5 out of 5 by from Great quality ... Great quality
Date published: 2017-04-21
Rated 3 out of 5 by from Good tools, NOT for HVAC use I purchased these nut drivers for HVAC use, where we constantly install and remove hex head screws. I quickly discovered these were not designed for this purpose. The splines are set to far back from the end of the nut driver, making very hard to get a grip on most hex head screws. Also, the depth of the socket is much deeper than any other nut driver I've owned, which then sets the magnet too far back to grab hex head screw. On the flip side, I'm sure this design is great for actually turning nuts and bolts, and the pass through design is great for threaded rod. It's just not the primary use I purchased them for.
Date published: 2014-12-07
Rated 5 out of 5 by from Top Of The Line Nut Drivers This Milwaukee Nut Driver Set has some very nice features that sets it apart form others:: - The twelve point ends allow you to use these on nonstandard nuts or screws like square head screws. - The ends are also magnetic and nice and strong. You won’t drop the screw or nut when you are in difficult places. - Hollow shafts and handles make tightening bolts of any length possible. - Rubber grips on the handles are comfortable and allow for a better grip for tightening. - Hex shanks are great and you can use an adjustable wrench on them for extra tightening. - The Lifetime Warranty speaks for itself. There are no negatives and I really don’t see any opportunities for improvement on the set. Please view the video that demonstrates the ability of these nut drivers to tighten square head screws and and please note the extra strong magnetic ends and how well they secure screws.
Date published: 2013-12-05
Rated 5 out of 5 by from Perfect all thread tool I am a plumber, usually we use small channel locks or a box wrench for all thread nuts. With this you can easily tighten the nuts but the best part is you can why more easily start the nuts, anyone who uses all thread knows when you cut the rod, every so often you get the price with a burr on it and hand starting the nut drives you crazy. With this nut driver it makes it easy, and the magnet prevents you from dropping the nut off the ladder. Every one in commercial construction needs this. Especially the 9/16 one for 1/2 inch nuts on 3/8 all thread.
Date published: 2015-09-07
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