Easy
Less than 15 minutes
This is an authentic manufacturer-sourced replacement part which is specially designed for use with DeWALT drills. It allows a user to secure drill bits. This 1/2" capacity chuck uses a 1/2"-20 spindle for mounting to the drill. The light-weight plastic and single-sleeve design provide user comfort while improving efficiency with easier keyless bit changes. The ratcheting action clicks the jaws tightly into place for reduced bit slippage. Keep in mind this high-quality component is sold individually. Due to a replacement some models may require #50 Part Number N016823. Please make sure to refer to the owners manual for the correct installation.
See our post on Removing a Cordless Drill Chuck if you need help replacing your old chuck.
Keyless Chuck N504250
OEM part for: DeWALT
Part Number: N504250
Order within the next 2 hours and your part ships today! 
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Product Description ?
- Classification: Part
- Weight: 0.44 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 12 machines
DeWALT
This item works with the following types of products:
- Cordless Drill Parts
- Drill Parts
This part replaces obsolete part #: N250759, 330075-74, 330075-64
Repair Videos ?
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This article explains steps for how to remove threaded-on chucks and taper-fit drill chucks, as well as steps for removi...
September 18, 2009
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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 ?
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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 Keyless Chuck
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.
chuck became difficult to use
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Vice grips
The chuck would not open all of the way.
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Allen wrench,Torx T-20, hammer
Parts Used
Chuck was stuck
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Wrench Set, Hex head wrench and torx screwdriver
eReplacement has very good service,very expedient,always the right part,and easy to find on their site and fair prices to go along with it.
chuck worn out
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, torques driver and Allen wrench
Parts Used
removed chuck with Allen wrench
reinstalled new chuck reverse process , good to go.
Had to provide a washer (spacer) between the chuck and the drill. Original chuck was constructed with a lip (for lack of a better word) to keep it from binding on the drill housing.
Tool Type
Cordless Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Hex (Allen) wrench & Hammer
Parts Used
Bits would slip in chuck.
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Allen wrench, rubber mallet
Parts Used
Bad keyless chuck
Tool Type
Cordless Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Power Drill, Nutdriver, Impact tool saws drivers
Parts Used
broken clamshell and chuck
Tool Type
Cordless Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, allen wrench
Parts Used
The Chuck would not hold drills
Tool Type
Cordless Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Vise and allen wrench
Parts Used
2. Used 3/8 Allen wrench held in my vise to unscrew old chuck from the drill.
3. Screwed new chuck onto drill by hand. DO NOT OVER TIGHTEN! Hand tighten only.
4. Reinstalled left hand screw screw tightening it securely.
Old chuck would not lock drill bit
Tool Type
Cordless Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
I removed the old chuck (reverse thread) screw inside the chuck, then unscrewed the old chuck.
Screwed on the new chuck & replaced the reverse thread screw.
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.
