0045242225811

Milwaukee

Model 48-28-4008

Internet #202256266

Store SKU #233339

3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit

$9.96 /each
  • Extends reach for tight spaces
  • Accepts most shanks
  • Fast and efficient for productivity

Frequently Bought Together

Product Overview

The Milwaukee 48-28-4008 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit fits 3-jawed chucks. This bit is designed to extend your reach by 12 in. when drilling with Milwaukee hole-saw arbors. For 3/8 in. hex shank hole saw arbors. The bit is 12 in. in length.

  • Designed for 3/8 in. hex-shank hole-saw arbors
  • 3/8 in. hex shank fits 3-jawed chucks
  • Extends your reach by 12 in. when drilling with Milwaukee hole-saw arbors
  • High-speed steel construction

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Specifications

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Customer Questions & Answers

4 Questions5 Answers

Customer Questions & Answers

3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit

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This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
 
2 answers

Does this bit extender feature dual set screws oriented 180 degrees apart?

This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
Asked by
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August 25, 2015
Does this bit extender feature dual set screws oriented 180 degrees apart?

I would like to see the bit tightened securely along its central axis (to reduce wobble)?
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Answers (2)

Asked by
Medina,Oh
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Home Improvement Profile: Professional
December 8, 2015
Answer: 
yes it does.
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Asked by
Medina,Oh
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Home Improvement Profile: Professional
October 30, 2015
Answer: 
No it only has one set screw.
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This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
 
1 answer

Would this work with a 4" round diamond core bit for going through masonry?

This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
Asked by
Brooklyn, NY
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May 19, 2016
Would this work as an extension for a 4" round diamond core bit? It would allow me to core out 12" of brick and the 6" of cinder block in front of it....
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Answer (1)

May 20, 2016
Answer: 
No, this will not work with a 4" round diamond core bit.
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This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
 
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What is the width of the widest part of the shaft?

This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
Asked by
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April 18, 2016
Does 3/8" refer to the outside width of the fattest part of the shaft, that is where the drill bit is inserted? What is the widest drill bit that will fit in this extension?
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Answer (1)

May 3, 2016
Answer: 
The widest part of this extension's shaft is about 1/2"
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This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
 
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is 48-28-4008 in stock at Henrietta 14623 store?

This question is from 3/8 in. x 12 in. High-Speed Steel Keyed Extension Bit
Asked by
lefty
Honeoye 14471
September 27, 2012
Is it in stock?,will it fit 3/8" hexagonal bit?
Be specific.
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Answer (1)

September 28, 2012
Answer: 
The 48-28-4008 Milwaukee® 3/8" x 12" High-Speed Steel Keyed Extension Bit will accept a 3/8" hex shank bit.
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Customer Reviews

Rated 4.8 out of 5 by 9 reviewers.
Rated 5.0 out of 5.0 by Well mad tool This is one of those tools you may not need often, but when you do you really need it. This is the larger 3/8” size, and you will only want to use a 3/8” chuck bit in it. The ¼” bits are the wimpy ones which fit in the quick change chucks. This is well built like all Milwaukee tools, heavy to the point that it just dares you to break it. I like the recessed set screw so it does not damage the wood during a drill. Well made tool that you will pass down to your grandchildren someday. July 22, 2015
Rated 5.0 out of 5.0 by Time Saver Had to drill through 4 floor joists with standard 16 OC - with no access to the 2nd set joists... Had to drill straight through and the extension allowed me to easily drill through all 4. Other than dismantling another section of flooring to get access for drilling - would cost me an extra couple of hours and money to replace...... January 26, 2016
Rated 5.0 out of 5.0 by The long reach when you need it. This 3/8in x 12in. hi-speed steel extension bit is perfect when you need that little bit more. It has very good balance, and is very well made. December 8, 2015
Rated 5.0 out of 5.0 by Extension Bit The 3/8 in. x 12in. High speed steel keyed extension bit is well built out of high quality steel, while using the bit to drill a hole in the side of the house the paddle bit broke but the extension bit did not. The fact that it is keyed made it easier to remove the broken paddle bit. One down fall is that you have to have the room to start your hole. October 30, 2015
Rated 5.0 out of 5.0 by Heavy duty, which is always on Milwaukee tools! This extension DOES NOT HAVE QUICK LOCK! Be mindful that if your bit is not properly tightened in the head of it, it will twist and getting the set screw out will likely strip out the set screw. Besides that, This thing is heavy duty, thick steel, no flex, has no issue being used with high powered drills. Be careful not to loose the allen wrench! This shaft is quite thick and ridgid, which makes it very nice for reaching into tight areas, you don't have to worry about it flexing and not getting to exactly where you want it. August 14, 2015
Rated 5.0 out of 5.0 by Excellent extension bit Great product help me tremendously in reaching into those hard to read areas. Great product!! September 15, 2015
Rated 5.0 out of 5.0 by needed a hole & got one ! I needed to peace a hole below the deep kitchen sink for a drain pipe. This had to be through 3 layers of wood. As always the guys at HD gave great and practical advice September 8, 2015
Rated 5.0 out of 5.0 by extend your reach Extend the reach of your hole saw especially where space is limited. Perfect for plumbing or electrical and remodel work. July 18, 2015
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