A-dec Inc
Air low-speed dental handpieces in a dental delivery system

Air Low-Speed Handpieces and Motors. Finish. Polish. Finesse.

Dental handpieces and motors to help you perfect those critical finishing steps.

Check out our current dental handpiece promotions.

A-dec W&H Warranty
Alegra 300 air low-speed dental handpiece

Alegra 300 Air Low-Speed Handpieces: Excellent Ergonomics

Short, slim, and lightweight dental handpiece design with our best swivel reduces hand and wrist fatigue. Perfect for decay removal, finishing, polishing.

  • Mini head design improves access and visibility
  • Precision ball-bearings provide exceptional tactile feedback with a smooth and quiet operation
  • High quality materials for maximum robustness and long life

See Alegra 300 Air Low-Speed Series for available handpieces.

Model WE-56T WE-57T WE-66T HE-43T
Gear Ratio 1:1 1:1 4:1 1:1
Max Speed (rpm) 20,000 20,000 5,000 20,000
Chuck Push-button 2.35 mm latch burs Push-button 1.6 mm friction grip burs Push-button 2.35 mm latch burs Twist-tension 2.35 mm lab burs
Light No No No No
Spray Ports No No No No
Head diameter(mm) 10.1 10.1 10.1 n/a
Head height (mm) 13.01 13.01 13.01 n/a
Head height (w 19 mm bur) 20.7 22.4 20.7 n/a
Weight (grams) 42 42 42 44
Length (mm) 87.9 87.9 87.9 87.1

Midwest and StarDental compatible handpieces are also available. Contact your A-dec dealer or visit the A-dec|W&H Handpiece Advisor to learn more.

AM-20 RQ Air Motor

W&H Quick Disconnect Air Motors Make Sterilization A Snap

For optimal infection control, the CDC recommends sterilizing detachable motors between patients. W&H Quick Disconnect air motors detach from handpiece couplers with minimal effort, making them easy to thoroughly clean and sterilize.

You'll appreciate the ultra-smooth swivel and exceptional tactile feedback. Your patients will appreciate the smooth, quiet operation.

  • Quick disconnect motor/coupler design eliminates cumbersome threading
  • Slim and lightweight to reduce hand and wrist fatigue
  • High torque ensures faster, more efficient cutting
  • Compatible with popular Midwest and StarDental handpieces
  • Backed with 2-year A-dec warranty
  • Requires RQ-04 coupler for non-lighted handpiece
Model AM-20RQ AM-20MWRQ AM-5MWRQ AM-20SDRQ AM-5SDRQ
Handpiece Compatibility A dec|W&H Midwest Midwest StarDental StarDental
Max Speed (rpm) 20,000 20,000 5,000 20,000 5,000
Weight (grams) 54 57 64 50 56
Length (mm) 40.2 54.9 64.2 42.3 51.8
Sterilizable Yes Yes Yes Yes Yes
Air low-speed motor 20-RM

A‑dec|W&H Fixed-Back Air Motors: Lightweight, Dependable

Tactile sensation and power all rolled into one lightweight, dependable motor solution. With the A-dec|W&H fixed-back air motor, you have the ability to remove tooth structure rapidly, with a light touch. It’s a motor that’s easy to control and long-lasting.

  • Precision ball-bearings provide exceptional tactile feedback with a smooth and quiet operation
  • Ultra-smooth swivel and lightweight reduce hand and wrist fatigue
  • Powerful design creates greater cutting efficiency
Model AM-20RM AM-20MW AM-5MW AM-20SD AM-5SD
Handpiece Compatibility A dec|W&H Midwest Midwest StarDental StarDental
Max Speed (rpm) 20,000 20,000 5,000 20,000 5,000
Weight (grams) 55 58 64 52 59
Length (mm) 39 51.5 60.9 39 48.5
Sterilizable Yes Yes Yes Yes Yes

Are A-dec|W&H air low-speed handpieces compatible with my existing coupler or tubing system?
Use the A-dec|W&H Dental Handpiece Overview Guide to determine the compatibility of A-dec|W&H handpieces.

How can I repair my A-dec|W&H handpieces?
A-dec offers factory-authorized repair from technicians specifically trained to service your A-dec|W&H handpieces. Get details on A-dec Authorized Handpiece Repair Center services and pricing.

How do I compare A-dec|W&H dental handpieces and motors?
Visit the A-dec|W&H Handpiece Advisor to compare handpiece models and find detailed product information.

What is the price of an A-dec|W&H air low-speed dental handpiece?
You can choose from different price points with different performance. Ask your local A-dec dealer about quantity pricing or bundled pricing when purchased with an A-dec delivery system.

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