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2610005646 Brush & Spring

Part Number: 2610005646
Availability: 25 in stock
Price: $4.73
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This is a genuine Dremel replacement part. Sold as a pair. Brushes are one of the most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems. Used with the 4000 Variable-Speeds Rotary Tool shown below.

This part is compatible with the following machines:

Repair Stories
3 of 3 people found this instruction helpful
Tool Type:
Parts Used:
Brush & Spring - 2610005646
Repair Difficulty:
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, q tip, rubbing alcohol
Worn out brushes
On my Dremel 4000, it started running sporadically even without a load; speeding up, slowing down, loss of power, etc
So, I used a screwdriver to remove the caps that cover the springs and brushes on both sides. I then removed the old springs and brushes, and used a q tip and some rubbing alcohol to clean inside the cavity. I then installed the new set of springs and brushes, paying attention to the curvature of the end of the brush so that it matched the surface that it will be in contact with. Then I replaced the caps compressing the spring as I screwed the cap down flush with the surface of the Dremel body. Then I ran the tool at top speed for 5-8 minutes without a load to allow the new brushes to properly seat themselves. Now it runs like new again. Success! For under $10, not bad
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Discussion for Brush & Spring - ( 2610005646 )
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  • Subject:
  • Comment:
Towards the back end of the armature on my Dremel 4000, there is a spot about the size of a bb where the reddish colored insulation has been burned off, and I see a bright arcing there through the housing.
Is this something I can repair, or, do I need to buy a new armature?
Reply: Dremel 4000 Armature Insulation ...


Hello dj90423,

It does sound like your 2610004634 Armature has gone bad and needs to be replaced. You may also want to replace your 2610005646 Brush & Spring Set.

Question: Dremel 4000


brush & spring 2610005646 shows as obsolete. Now what? 3 year old dremel useless?
Reply: Dremel 4000


[QUOTE=gramajen;82565]brush & spring 2610005646 shows as obsolete. Now what? 3 year old dremel useless?"

The link below seems to have those brushes available. Looks like free shipping as well.
link removed 5646 Carbon motor brush for 4000 rotary tool
Product Information
Manufacturer: Dremel
Category Number: 2610005646
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide world wide shipping icon
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