Easy
Less than 15 minutes
This is an authentic OEM sourced replacement keyless chuck, it is specially designed for use with Milwaukee drill-drivers. It is the mechanism which allows a user to secure a drill bit. If your drill\'s bit retention is suffering, the rotation feels stiff, or the chuck has seized up entirely, a new chuck should fix the problem. This high-quality item is sold individually, please note the screw to secure this chuck it is sold separately.
3/8 Keyless Chuck 42-66-0530
OEM part for: Milwaukee
Part Number: 42-66-0530
$44.49
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 12 machines
Milwaukee
2411-20 (SER C72A) Cordless 12 Volt 3/8" Hammer-Drill View Diagrams & Manuals
2410-20 (C10A) Cordless 12 Volt 3/8" Driver Drill View Diagrams & Manuals
2410-059 (SER D22A) Cordless 12 Volt 3/8" Driver Drill View Diagrams & Manuals
2411-059 (SER D23A) Cordless 12 Volt 3/8" Hammer-Drill View Diagrams & Manuals
2408-20 Cordless M12 3/8" Hammer-Drill View Diagrams & Manuals
2408-22 Cordless M12 3/8" Hammer-Drill View Diagrams & Manuals
241020 Cordless 12 Volt 3/8" Driver Drill View Diagrams & Manuals
241022 Cordless 12 Volt 3/8" Driver Drill View Diagrams & Manuals
241120 Cordless 12 Volt 3/8" Driver Drill View Diagrams & Manuals
241122 Cordless 12 Volt 3/8" Driver Drill View Diagrams & Manuals
2407-20 Cordless M12 3/8" Driver-Drill View Diagrams & Manuals
2407-22 Cordless M12 3/8" Driver-Drill View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Cordless Drill Parts
- Drill Parts
- Hammer Drill Parts
This part replaces obsolete part #: 42-66-0830, 42-66-0825, 42-66-0800, 42660800
Customer Part Reviews ?
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Identical Part
glad your there when I require a replacement part. In stock, reasonable price, fast shipping. Thank You.
John -
January 4, 2023
Verified Purchase
good fit
The part arrived on time as promised, and fit as expected. All is good!
Guest -
April 12, 2022
Verified Purchase
Exactly what I needed.
Bought a used Milwaukee M12 drill with a bad chuck on it. This was exactly what I needed to make it like new.
Guest -
February 15, 2022
Verified Purchase
Part was easy to install, performed well, appeared to be an exact duplicate of the original.
Part arrived quickly, no problems.
Guest -
June 2, 2020
Verified Purchase
Perfect fit replacement part
I damaged the chuck on my Milwaukee drill and hated to just throw the drill away. I looked online and found that ereplacementparts had the chuck and the price was good, so I ordered a replacement chuck. Chuck was easy to replace and my drill is as good as new. Great company to work with!
Guest -
December 3, 2019
Verified Purchase
worked as expected
high quality part
Garrison -
June 25, 2019
Verified Purchase
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Verified Purchase
eReplacementParts Team
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Questions & Answers ?
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Does this fit my product?Questions & Answers for 3/8 Keyless Chuck
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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.
Needed new chuck
jack - June 6, 2016
👍 1 of 1 people found this instruction helpful
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
I watched your repair video on you tube. Made it easy to remove and replace my chuck. If I can do it anyone can. If you want to watch the video here is the link.
https://www.youtube.com/watch?v=usC8unA5RiA
https://www.youtube.com/watch?v=usC8unA5RiA
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Needed new chuck
Lawrence - January 8, 2024
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Power Drill
Parts Used
Replaced the old chuck that was broken
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Drill Chuck went bad
Bob - February 12, 2021
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Removed the chuck screw
Removed the chuck
Installed the new chuck
Installed the new chuck screw
Removed the chuck
Installed the new chuck
Installed the new chuck screw
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bits slipped in the chuck
Benny - July 4, 2019
Tool Type
Hammer Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
replaced the chuck
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Drill chuck not holding bits.
Rick - April 26, 2018
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Large Allen wrench
Parts Used
I removed the reverse threaded phillips screw from center of chuck. I put a large allen wrench in chuck and struck sharply with hammer to unscrew chuck from drill. I screwed on new chuck and reinstalled phillips screw. Drill is like new now.
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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.
Our 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.
