Easy
15-30 minutes
Genuine Milwaukee replacement part, this item is sold individually.
This Chuck Key tightens the jaws of the 1/2 inch capacity Chucks on all the Drill models shown below.
For convenience a Chuck Key Holder part number 48-66-4040 can be ordered. It is attached to the power cord then the Chuck Key is attached to it.
Chuck Key 48-66-3280
OEM part for: Milwaukee
Part Number: 48-66-3280
$10.44
In Stock
Order within the next 13 hours and your part ships today! 
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Product Description ?
- Classification: Accessory
- Weight: 0.13 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This Chuck Key will fit the following 353 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 353 matching models.
Milwaukee
Show More Compatible Models353 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Milwaukee
This item works with the following types of products:
- Cordless Drill
- Drill
- Drill Press
- Electric Drill
- Engine
- Hammer Drill
- Radio
Repair Videos ?
Articles:
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Follow this article's steps and instructions to correctly remove and reinstall your drill press's chuck. View this artic...
April 22, 2010
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Broken gearboxes and sticky chuck screws can make removing a drill chuck difficult. This article explains the tricks you...
August 12, 2010
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Customer Part Reviews ?
Average Rating (out of 5):
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8
4 stars
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2 stars
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< PREV
- 1
Spot on
It was exactly what I was looking for.
Guest -
April 2, 2022
Verified Purchase
Perfect Part
Exact part needed. Packaged in factory fresh original package.
Guest -
April 1, 2021
Verified Purchase
Showed up just in time
Order the chuck and it arrived a few days later. Great costumer service
ted -
July 15, 2020
Verified Purchase
Chuck
Replacement for my old one
Guest -
January 28, 2020
Verified Purchase
Parts
I needed chuck keys and a power cord for drills I had purchased at a pawn shop and eReplacement Parts had what I needed.
Guest -
January 3, 2020
Verified Purchase
Replacement for lost part
Excellent condition (New). Fast shipping.
Guest -
November 7, 2019
Verified Purchase
The correct part and it was deliverd in three days.
IT was the correct part. I received the item when I was told the shipment was to arrive.
Guest -
July 16, 2019
Verified Purchase
It works!!!!
I lost mine and this new one works great.
Guest -
July 1, 2019
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Chuck Key
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Leaking gearcase
Steve - March 5, 2024
Tool Type
Electric Drill
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Torx driver
Milwaukee 1660-1 HD drill. Needed cord and leaking gearcase. Replaced old grease. Replaced armature bearings and replaced cord. Once all parts were here it took about 2 hours to do...
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Wendell - October 20, 2019
Tool Type
Electric Drill
Difficulty
Medium
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers, Crimpers, wire strippers, small pick
Follow instructions included with new switch kit. New handle and switch configuration to upgrade to new style.
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Parts missing on used tool purchase
ROGER - April 10, 2019
Tool Type
Hammer Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, none
1. Ordered replacement parts from REPLACEMENT PARTS.com 2. Parts arrived in less than one week 3. Added new parts to tool 4. Hammer Drill is now complete
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chuck would not tighten and hold bits
Dennis - December 5, 2018
Tool Type
Hammer Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Large allen wrench
Parts Used
Removed internal screw (Reverse Tread) Center of Chuck
Tightened Chuck as best I could onto the small end of a large allen wrench.
Laid tool flat on a table and hit allen wrench hard one time to dislodge chuck. (Standard Tread)
Screwed off the old chuck and screwed on new chuck and installed new internal screw.
Easy!
Tightened Chuck as best I could onto the small end of a large allen wrench.
Laid tool flat on a table and hit allen wrench hard one time to dislodge chuck. (Standard Tread)
Screwed off the old chuck and screwed on new chuck and installed new internal screw.
Easy!
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Replaced motor insulator Milwaukee 1630-1 drill would not spin also made squealing noise
doug - December 31, 2017
Tool Type
Drill
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, torque bit screwdriver
It went good but for anybody trying to do this you must first remove all the handle screws and from both handles 6 screws total then it just slides out I was not aware of this and could not find any info online I have two of these drills and the same thing happened on both drills.Hope this can help someone in the future
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Old had used it for 30 to 35 years drilled 1000+ holes in wood cement and steal best drill I've have I wore it out😭 it just died one day
Michael - December 17, 2017
Tool Type
Hammer Drill
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Nutdriver, Phillips,star,bits
Parts Used
- Carbon Brush - 22-16-0300
- Ball Bearing - 02-04-0847
- Ball Bearing - 02-04-1536
- 5/16-18 X 3-1/2 - 42-32-0161
- Brush Spring Assembly - 22-20-0355
- Grounding Pin - 44-60-1290
- Baffle - 42-14-0390
- 7 -18 X 2-1/16 Pan Hd. Screw - 06-82-7398
- Fan Assembly - 22-84-0880
- Gasket - 43-44-0913
- Switch - 23-66-1666
- Chuck Key - 48-66-3280
Took tool apart to see what it needed. It was not bad to take apart, you must have patience a lot of small parts .My drill had a lot of grease ,dirt, dust inside.The only thing is to make sure you take old grease out replace with new parts all fell into place, it's like brand new now hopefully I will get another 30 years thank you E Replacement Parts this repair made my day didn't want to buy a new one love love this one
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Purchased drill press at a yard sale. Had no chuck key.
Charles - December 15, 2017
Tool Type
Drill Press
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, None
Parts Used
Purchased drill press at a yard sale. Had no chuck key. Bought two different chuck keys at Lowes but neither would fit. Ordered this one on line and it works perfect.
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I lost my chuck key
Christian - July 13, 2017
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, NONE
Parts Used
Just ordered a three new chuck keys from you guys! Funny thing after about a month, last weekend my brother found it in the floor hidden somewhere
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Chuck key was missing
Carmen - May 27, 2017
Tool Type
Drill Press
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, none
Parts Used
New chuck key from replacement parts.com fit perfectly.
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Just needed replacement parts
Richard - May 10, 2017
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, None
Replacement chuck and chuck key holder. No repair needed
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Learn MoreOur product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
