Part Location Diagram of 48-66-5185 Milwaukee Chuck
See part 801 in the diagram
Replacing your Milwaukee Electric Drill Chuck
( Grid squares measure 1x1 inch )

Chuck 48-66-5185

Manufactured by:
Milwaukee
ERP Number:
ERP10134033
Part Number:
48-66-5185
Original Equipment Manufacturer ?
On Order

Easy 

Less than 15 mins 

(14 rated repairs) ?

Does this part fit my model?

Need help finding your model number?

Product Description

?

This is an authentic OEM sourced replacement part which is specially designed for use with Milwaukee electric drills. It can be used on reversing drills of matching capacities and threaded spindles. The chuck allows a user to secure a drill bit. The ratcheting action clicks the jaws tightly into place for reduced bit slippage. 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 component is made of durable metal and is sold individually. Keep in mind it includes the screw to secure it and the <a href="http://www.ereplacementparts.com/chuck-key-p-126484.html"><u>#48-66-2110 Chuck Key </u></a> that allows you to tighten and loosen the jaws. Note, this keyed chuck has a 1/2 inch capacity with a 1/2 inch - 20 thread.

Troubleshooting

This part works with the following brands:
  • Milwaukee
This part works with the following products:
  • Electric Drill
  • Hammer Drill

Videos For installing this part.

?
Replacing your Chuck
Replacing your Chuck

Customer Part Reviews

?
4.8
Average Rating (out of 5):
★★★★★
★★★★★
(5 Reviews)
Click to filter by ratings:
  • 5 stars
    4
  • 4 stars
    1
  • 3 stars
    0
  • 2 stars
    0
  • 1 star
    0
  • 1
Sort by:  
Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.

Questions & Answers

?

Our customer Service team is at the ready daily to answer your part and product questions.

We're sorry, but our Q&A experts are temporarily unavailable.
Please check back later if you still haven't found the answer you need.

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?

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.

Easy 

Less than 15 mins 

(14 rated repairs) ?
  • 1
  • 2
Sort by:  
Sorry, we couldn't find any existing installation instruction that matched.

Broken chuck

Dan from PARADISE, California

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
48-66-5185
I watched your video on how to remove a chuck. I was able to remove mine and install the new one in less than 15 minutes
Did you find this story helpful?
Thank you for voting!

Chuck needed replace, would not tighten

Daniel from Corydon, Indiana

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
48-66-5185, 48-66-2110
Removed set screw, (left hand threads).
Then put an allen wrench in Chuck and hit
with hammer, and removed the Chuck.
Put new Chuck on .
Did you find this story helpful?
Thank you for voting!

The chuck on my half inch hammer would not open all the way

David from Baltimore, Ohio

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
48-66-5185
I replaced the chuck and the hammer drill works like new. Thanks ereplacement parts for the quick response. I watched your you tube video, it explained how to do the repair. Thank you.
Did you find this story helpful?
Thank you for voting!

Broken gear ring

Victor from Honesdale, Pennsylvania

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
48-66-5185, 05-80-0430
First I had to cut off the old chuck with a cut off wheel on a 6GÇ¥ grinder. I cut just a little behind the broken gear ring. After removing the old chuck I could easily spin on the new chuck and tighten down the new retaining screw (inside the housing). Note: the chuck screws onto the shaft as a normal RH thread, but the screw is a L H thread. All in all, a very satisfying repair!
Did you find this story helpful?
Thank you for voting!

Jammed chuck

Glen from Tucson, Arizona

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
48-66-5185, 05-80-0430
Removed the old chuck. However the internal screw was missing. The chuck was very tight and the flats on the shaft were small. Had to grind down an open end wrench to hold the shaft while I removed the chuck.
Threaded on new chuck and inserted the left handed screw
Did you find this story helpful?
Thank you for voting!

The bit came lose when drilling.

Carlos from Ciales, Puerto Rico

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
48-66-5185
Place the drill in the table vise. Loosen the screw that holds the chuck, left hand thread. Place the allen key in the chuck and tighten a little. With hammer hit to release the chuck (right thread). Screw in the new chuck, tighten, install the new clamping screw, and you\'re done.
Did you find this story helpful?
Thank you for voting!

chuck was broke

Thomas from Rochester, New York

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Wrench set
Parts Used:
48-66-5185
could not use screwdriver to take bolt off to remove chuck so used pipe wrench and took chuck off breaking head off screw, centered punched the broken screw and drilled a 1/8 hole in it Since it was left handed the drill turned the broken part of the screw right out Screw new chuck on and then screwed bolt in Complete and drill motor i s working fine Thanks for having the parts I needed





screw
Did you find this story helpful?
Thank you for voting!

Chuck was worn out.

Scot from Arco, Idaho

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers, Wrench set
Parts Used:
48-66-5185
1. Removed the retaining screw.
2. Broke the old chuck loose with a mallet and punch to remove it.
3. Screwed on the new chuck.
4. Put in the new retaining screw and tightened it.
Did you find this story helpful?
Thank you for voting!

CHUCK WORN OUT

CHRIS from BAYFIELD, Colorado

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers, Wrench set
Parts Used:
48-66-5185
LOOSEN CHUCK SCREW (L HAND THREAD) REMOVE CHUCK INSTALLED NEW CHUCK
Did you find this story helpful?
Thank you for voting!

Worn chuck

Donald from STATEN ISLAND, New York

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
48-66-5185
Removed the LH threaded screw from the chuck
Put the small end of an allen wrench in the chuck and tightened it
Put the selector knob on drill mode
Lay the hammer drill on its side, and hit the allen wrench with a hammer, which will loosen it from the spindle. You may have to strike it a couple of times, hammer drill chu cks are a little harder to remove.
Remove the chuck from the spindle
Thread on the new chuck and install the LH screw.
Did you find this story helpful?
Thank you for voting!
  • 1
  • 2

Model Cross Reference

This part works with the following models:
ERP Number: ERP10134033
Manufacturer Part Number: 48-66-5185
Brand Model Number Description
Milwaukee 5378-20 Electric Drill - 1/2" Electric Hammer Drill
Milwaukee 5378-21 Hammer Drill - 5378-21 (Serial 897d) 1/2-Inch Electric Hammer Drill Parts
Milwaukee 5380-21 Hammer Drill - 1/2 " Hammer Drill
Milwaukee 5381-20 Hammer Drill - Hammer Drill
Milwaukee 5381-21 Electric Drill - Milwaukee 5381-21-(A67a) Parts
Milwaukee 5381-22 Hammer Drill - 5381-22 Hammer Drill Parts