Model MS1290LZA


  • Blade Depth Adjustment - tool-free adjustment gives the ability to make dado and rabbet cuts
  • 15 Amp Motor - heavy duty motor powers through the most difficult cuts
  • 21/2 in. Dust Port - provides connection to standard dust collection systems to help keep work area clean
  • Quick Release Miter and Bevel Locks - provides users with easy access to make quick angle adjustments
  • Bevel Stop Pin - quick action levered pin releases or bypasses bevel detent index points with one simple motion
  • Work Clamp with Quick-Release Lever - securely holds material in place
  • Dual Bevel and Extended Miter Range - 0° to 47° dual bevel and 0° to 60° miter capacities with crown molding stops to accommodate a wide variety of cuts
  • Repeat-A-Cut™ Marking Surface - allows user to mark fence for repetitive cuts
  • Large Expanded Table - gives extra material s upport for the increased demands of a sliding miter saw
  • Zero Clearance Adjustable Throat Plate - gives material maximum cut through support
  • Miter Detent Thumbwheel - quick action thumbwheel releases or bypasses miter detent index points with one simple motion


Motor 120 V, AC, 15 Amps
No Load Speed 4,000 r/min. (RPM)
Blade Arbor 1 in.
Blade Diameter 12 in.
Weight 70 lbs.

Cutting Capacities

Baseboard Against Fence 5½ in.
Max. Cross Cut 13 ½ in.
90° Cross Cut (nominal) 2 in. x 12 in. or 4 in. x 4 in.
45° Miter Cut (nominal) 2 in. x 10 in.
45° Bevel Cut (nominal) 2 in. x 12 in.

Ordering Information

Catalog Number Model No. Description
28523 MS1290LZA  12" Sliding Compound Miter Saw with Adjustable Laser 

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MS1290 Miter Saw, Exactline™ adjustable laser guide, carbide tipped blade, dust bag, dust guide, work clamp, blade wrench, hex keys, operator’s manual
Rated 5 out of 5 by 2 reviewers.
Rated 5 out of 5 by Great value I been looking to replace my miter saw from 1984, so pretty much anything would be an upgrade. But this saw far exceeds many other miter saws that I have used in the past. The positive stops are quite convenient as well. My only complaint would be the dust collection bag is somewhat useless, but I attached my shop-vac to the outlet and it worked very well March 31, 2014
Rated 5 out of 5 by Love it Combined with the portable table it is tough to beat this saw for the price November 9, 2013
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1 Question | 1 Answer

Product Q&A

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I'm interested in buying this saw but I've read in a LOT of reviews that your saws don't stay straight and are up to 1/8" off when sliding the saw to make a cut towards the back of the piece being cut.
1 month, 3 weeks ago
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There is not a known issue affecting the RIDGID model MS1290LZA as a whole, that is in need of being resolved. If a customer has an adjustment problem with their saw, the saw needs to be checked by a local service provider and any adjustment problem it is determined to have, corrected. If there are still questions please contact our Technical Support Department at 866-539-1710.

Thank you
1 month, 1 week ago
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