Easy
15-30 minutes
This is a genuine manufacturer sourced replacement screw. It is commonly used with electric drills. This left hand threaded screw is specially designed to secure drill chuck to the spindle. It is made out of metal and it is sold individually. Requires a hex key/allen wrench to tighten/loosen this screw
Screw 447735-02
OEM part for: DeWALT, Black and Decker
Part Number: 447735-02
$4.99
In Stock
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Compatibility
This part will fit the following 47 machines
DeWALT
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Black and Decker
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1321 Type 3 1/2" Heavy Duty Reversing Drill View Diagrams & Manuals
1321 Type 4 1/2" Extra Heavy Duty Reversing Drill View Diagrams & Manuals
1321 Type 5 1/2" Extra Heavy Duty Reversing Drill View Diagrams & Manuals
1322 Type 1 1/2" Heavy Duty Reversing Drill View Diagrams & Manuals
1322 Type 2 1/2" Heavy Duty Reversing Drill View Diagrams & Manuals
1322 Type 3 1/2" Heavy Duty Reversing Drill View Diagrams & Manuals
1322 Type 4 1/2" Extra Heavy Duty Reversing Drill View Diagrams & Manuals
1322 Type 5 1/2" Extra Heavy Duty Reversing Drill View Diagrams & Manuals
1350K (Type 1) 1/2 Timberwolf Kit View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Drill Parts
- Electric Drill Parts
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Fast delivery!
Perfect fit
Guest -
March 22, 2022
Verified Purchase
Repair parts for power drills
Got the correct part the first time and in a very timely manner, thank you
Doug -
December 25, 2020
Verified Purchase
Great part
Great quality product and quick shipping
Guest -
November 30, 2020
Verified Purchase
Quality part
Made my repair to my dewalt drill a breeze the spacer and reverse thread screw fit perfect
Guest -
September 10, 2019
Verified Purchase
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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.
Broken spindle
Craig - November 7, 2019
Tool Type
Electric Drill
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
Removed gear reduction assembly, removed broken spindle and reassembled.
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Chuck broken off drill (screw in bottom of chuck broke off)
Daniel - August 5, 2019
Tool Type
Electric Drill
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Gear puller, vise
Parts Used
1. Took head of drill motor apart.
2. Main spindle had gear on it that had to be pulled off.
3. Used a three arm puller to remove gear.
4. New part had to be pressed on. There was a key that had to be lined up. I hammered it on using a vise as a support.
5. Put grease on new spindle and put head back on drill body.
6. I turned on chuck and put left hand screw in bottom of chuck. I torqued it down using my impact driver.
7. Tried it. Everything worked as it should.
2. Main spindle had gear on it that had to be pulled off.
3. Used a three arm puller to remove gear.
4. New part had to be pressed on. There was a key that had to be lined up. I hammered it on using a vise as a support.
5. Put grease on new spindle and put head back on drill body.
6. I turned on chuck and put left hand screw in bottom of chuck. I torqued it down using my impact driver.
7. Tried it. Everything worked as it should.
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Chuck was holding tight
Joe - September 15, 2016
Tool Type
Electric Drill
Difficulty
Medium
Time
15-30 minutes
Tools Used
Power Drill, Vise
Parts Used
1. Removed screw left-hand thread
2. Unscrewed chuck and washer
3. Replaced chuck and washer
4. Replaced screw
2. Unscrewed chuck and washer
3. Replaced chuck and washer
4. Replaced screw
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Screw was broke in half
Marvin - March 10, 2016
Tool Type
Electric Drill
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers, alan set
Parts Used
Used needle nose pliers to grab what was left of the screw and removed it. Then replaced it with the new screw. Remember it is a left hand thread.
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Broken spindle
Harold - January 21, 2016
Tool Type
Electric Drill
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Socket set
Parts Used
Remove the gear housing, remove the broken spindle, replace the housing replace the Chuck, then replace the screw in the Chuck. The repair is complete in about an he.
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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.
