7 Best Router For Flattening Slabs in 2022

For a project, if you need to flatten a few slabs. You might need to prepare the lumber for the table saw if you are starting with raw lumber. A router is an ideal instrument for the job in either scenario. In this blog, we are going to help you to buy the best router for flattening slabs for your next project. Look it up!

How Do You Use A Router To Flatten A Slab?

Image Product Details   Price
Router-for-Slab-Flattening Makita 3-1/4 HP Plunge Router 15 AMP motor produces 9,000-22,000 RPM
Check Price
Makita-3-1by4-HP-Plunge-Router Triton TRA001 3-1/4 HP Plunge Router 3.25 HP motor runs from 8000 to 21000 RPMs Check Price
Triton-TRA001-3-1by4-HP-Plunge-Router BOSCH MRC23EVSK Combination Router 15-amp motor with customizable speed settings Check Price
DEWALT-Router-Fixed-Plunge-Base-Kit DEWALT Router, Fixed/Plunge Base Kit 2-1/4 HP motor runs from 8,000 to 24,000 rpm Check Price
SKIL-14-Amp-Plunge-and-Fixed-Base-Router SKIL 14 Amp Plunge and Fixed Base Router 14 Amp, 2.5 HP motor runs from 0 to 25,000 RPM Check Price
BOSCH-1617EVS-2.25-HP-Electronic-Fixed BOSCH 1617EVS 2.25 HP Electronic Fixed 8,000-25,000 rpm Check Price
DEWALT-DW616-Fixed-Base-Router DEWALT DW616 Fixed Base Router 11.0 amp motor Check Price

How to use a router to flatten a slab is one of the most often requested questions by woodworkers. Unfortunately, the solution is more complicated than it might seem at first. The type of router being used, the slab’s size and thickness, and the desired flatness are just a few of the variables that must be taken into account. Having said that, there are a few general pointers that can make the procedure simpler.

Router for Slab Flattening

The first step is to use a router with a large enough bit to finish the job quickly. Second, it’s frequently beneficial to go over the surface several times, gradually eliminating more debris each time. Finally, it’s critical to use caution to prevent damage to the slab’s edges.

Reviews of The 7 Best Router For Flattening Slabs

Now I will provide you with a list of the top 7 best router for flattening slabs.

1. Makita 3-1/4 HP Plunge Router


Brand: Makita

Product: Makita RP2301FC 3-1/4 HP* Plunge Router

Material: Reinforced Composite

Included Components: 1 router for flattening slabs

Item Weight: ‎14 pounds      

Makita 3-1by4 HP Plunge Router

Key Features

  • For seamless routing, the powerful 15 AMP motor produces 9,000-22,000 RPM.
  • Shaft lock for fast and simple bit changes.
  • It has a plunge depth capacity of 0″ – 2-3/4″ for easy penetration into the workpiece.
  • Linear ball bearings for smooth plunge action and superior performance.

With additional features like variable speed, electronic speed control, and an electric brake, the Makita 3-1/4 HP Plunge Router with Variable Speed (RP2301FC) offers improved performance, strong precision, a smooth plunge motion, and superior performance. The RP2301FC is designed for a variety of applications, including fine woodworking, cabinetry, windows, doors, and more. It has 15 AMP power, user-friendly features, and an improved plunge capacity.

The RP2301FC boasts twin integrated L.E.D. lights that illuminate the work area for better visibility, ergonomic rubberized grips with an integrated two-finger switch for greater control, a lock-on trigger for continuous operation, and these features. The plunge lock lever is strategically placed for easy use, and the quick-release plunge depth adjustment features three preset depth stops, a microcontroller, and increased precision.

A 15 AMP motor with a variable speed range of 9,000 to 22,000 RPM and electronic speed control to maintain consistent speed under load are features of the RP2301FC. The RP2301FC has an electric brake for greater productivity and a soft start feature for smooth starts. For simple penetration into the workpiece, it features a 0″ – 2-3/4″ plunge depth capacity. Linear ball bearings ensure a smooth plunge action.

The RP2301FC is designed for fine woodworking, cabinetry, furniture manufacturing, counter tops, decks, windows and doors, and general carpentry. It takes 14″ and 12″ shank router bits. The best in class 3-1/4 HP plunge router is perfect for professional woodworkers, furniture makers, artisans, cabinet makers, deck builders, boat builders, and general contractors.


  • Easy to use.
  • Variable speed control 
  • Constant speed under load.
  • Electric brake.
  • Soft start feature.
  • Smooth plunge action.
  • Wide range of applications.


  • It is a little bit heavy.

Know More: 5 Best Router Bit for Juice Groove on Cutting Board

2. Triton TRA001 3-1/4 HP Plunge Router


Brand: Triton

Product: Triton TRA001 3-1/4 HP Dual Mode Precision Plunge Router

Material: Metal

Included Components: 1 router for flattening slabs

Item Weight: 19.5 Pounds ‎

Triton TRA001 3-1by4 HP Plunge Router

Key Features

  • Soft start and variable speed.
  • Micro winder enables continuous fine depth adjustment.
  • A single button transforms the plunger into a fixed-base router.

The Triton TRA001 3-1/4 HP Plunge Router’s 3.25 HP motor runs from 8000 to 21000 RPMs, making it powerful enough to handle even the hardest workpieces. It has a variety of high-end features, including: For precise preset cut depths, use the 3-stage, direct-reading, simple-set turret. A single button changes the router’s base from plunge to fixed with rack and pinion height adjustment. Bit changes are accomplished with an automated spindle lock through the base and a single wrench. You can choose the ideal pace for every type of cutter thanks to the soft start and variable speed. 

Through the whole plunge range, Micro Winder offers continual precise depth control. To prevent power-on, the safety switch shutter locks closed in bit change mode. Excellent control for handed use and circle cutting is provided by the multi-function fence. Only when the power switch is closed does the automatic spindle lock activate. When positioned on a table, a removable plunge spring makes bit adjustment simple. 

Maximum protection from the cut zone is provided by completely enclosed guarding. When a motor is positioned inverted in a router table, side air vents limit the input of dust into the motor casing. Easy access for replacing worn brushes. Included in the kit are a straight bit, a 1/2-inch collet with a 1/4-inch reducer, a multi-function fence, a collet wrench, and a 3.25 HP router.


  • Easy to Use.
  • Versatile.
  • Automatic Spindle Lock.
  • Safety Switch Shutter.
  • Built-in Router Lift
  • Side Air Vents.


  • Heavyweight.

3. BOSCH MRC23EVSK Combination Router


Brand: BOSCH

Product: BOSCH MRC23EVSK Combination Router

Material: Metal, Plastic

Included Components: (1) motor, (1) fixed base, (1) plunge base, (1) 1/4-inch self-releasing collet, (1) 1/2-inch self-releasing collet, (2) bit wrenches, (1) hex wrench, (3) M4 screws for table mounting, (1) carrying case

Item Weight:  ‎25.8 pounds

BOSCH MRC23EVSK Combination Router

Key Features

  • 15 Amp variable speed motor, 2. 3 Horsepower and a variable speed range between 10,000 and 25,000 RPM.
  • Adjustable variable speed dial for matching speed to workpiece and task.
  • Handle-mounted trigger control device for improved control

The innovative setup of the Bosch MRC23EVSK 2.3 HP Electronic Modular Router System offers a fixed base and a plunging base for the MR23EVS router. With the trigger-control system, which features a power switch in both the plunge-and base’s the fixed-handle, base’s this series also offers the operator exceptional control. Every time, this router makes precise cuts because each base uses a micro-fine bit-depth mechanism. The router includes Constant Response circuitry, a soft-start feature, a 15-amp motor with customizable speed settings, and other features. The operator may maintain precise movement along dovetail fixtures and templates with the aid of a precision-centering mechanism and base holes in the two bases.

The trigger-controlled power system of the Bosch MRC23EVSK Router has a power switch in both the fixed base and the plunging base for the operator’s benefit. The user can choose the ideal pace for the task with the variable-speed dial. Additionally, the ergonomic, curved soft-grip handles of this router allow for comfortable all-day operation.

For increased stability, the permanent base has threaded holes for attaching to router tables in a typical three-hole arrangement. The smooth plunge motion, spring-lock plunge lever, and depth rod of the plunge base allow for simple and accurate routing of the plunge. The operator has excellent vision of the cutting line and bit area thanks to the always-on dual LED lighting. Users of this router can adjust the depth with confidence thanks to the cord swivel function, which prevents the motor from rotating.


  • Powerful Variable-Speed Motor.
  • Stable and Smooth.
  • Microfine Precision.
  • More Control in Either Base.
  • High quality.
  • Router table compatibility.


  • Heavyweight.

4. DEWALT Router, Fixed/Plunge Base Kit



Product: DEWALT Router, Fixed/Plunge Base Kit

Material: Metal

Included Components: ‎DW618M motor pack, DW6184 fixed base, DW6182 plunge base, 1/4″ and 1/2″ collets, Wrench, Large hole sub base, Vacuum adapter and soft carry bag

Item Weight: 10.1 Pounds  

DEWALT Router, Fixed-Plunge Base Kit

Key Features

  • Full feedback control for continuous load speed from 8,000 to 24,000 rpm.
  • Soft start to reduce start-up torque for enhanced control.
  • Micro-fine, depth-adjustment ring provides precise depth adjustments in 1/64-inch increments.

A strong motor allows the DW618PKB 2-1/4 HP EVS Fixed Base / Plunge Router Combo Kit with Soft Start to cut through hard wood at the user-specified speed. The DEWALT fixed router offers quick and simple motor pack removal for bit and base changes, as well as precise depth adjustments. Superior bit visibility is provided by the inbuilt dust collection in the dive base.

For continuous speed under load between 8,000 and 24,000 rpm, the DEWALT plunge router has electronic variable speed with full feedback control. It also has a soft start to lessen start-up torque for improved control. 2-1/4 HP (maximum motor HP), 12.0 amp electronic variable speed motor of DEWALT router provides the power to rout smoothly through the toughest hardwoods. Micro-fine, depth-adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically for a constant switch/cordset location.

It has quick-release motor latches for fast and easy motor pack removal for bit and base changes. Through the column dust collection collects 95% of the dust and provides superior bit visibility. Adjustable, tool-free, steel motor cam lock makes depth adjustment and base changes quick and solid-locking.


  • Lightweight.
  • Quick release motor latches.
  • Collect 95% of dust.
  • Electronic variable speed.
  • Easy to Use.
  • Provides superior bit visibility.


  • Sometimes router depth adjuster stuck.

5. SKIL 14 Amp Plunge and Fixed Base Router


Brand: SKIL

Product: SKIL 14 Amp Plunge and Fixed Base Router Combo

Material: ‎Blend

Included Components: ‎Router, Parallel Guide, Collet Wrench, Fixed Base Dust Extraction Adaptor, Plunge Base Dust Extraction Adaptor, 1/4″ & 1/2″ Collet

Item Weight: 14.33 Pounds

SKIL 14 Amp Plunge and Fixed Base Router

Key Features

  • Powerful 14 Amp, 2.5 HP motor includes both fixed and plunge bases for a variety of work.
  • Ensures motor maintains RPM while the material is being routed.
  • Soft start function increases motor speed slowly from 0 to 25,000 RPM.
  • Vacuum ports can be attached for dust extraction.

With a power of 14 Amps, this SKIL 14 Amp Plunge and Fixed Base Router enables you to quickly switch between a fixed-base and plunge-base configuration so you can complete more tasks. When using soft start technology, the router ramps up gradually to give users time to acclimate. In addition, to ensure optimal RPMS, precise depth adjustments and speed control are used. Ergonomic handles reduce fatigue during prolonged use by limiting vibration.

Its speed control LCD display, lets you select the bit type and material for suggested speed settings based on the task at hand. Its Soft start function increases motor speed slowly from 0 to 25,000 RPM. It ensures the motor maintains RPM while the material is being routed. Provides a safe and controlled start to routing. Stay safe and alert with an indicator that lights up when plunge router is connected to power.


  • Ergonomic handles and die-cast motor housing.
  • Speed Control LCD Display.
  • Lightweight.
  • Soft start function.
  • Quick-set edge guide screws.


  • Hole not large enough for some bits.

6. BOSCH 1617EVS 2.25 HP Electronic Fixed


Brand: BOSCH

Product: BOSCH 1617EVS 2.25 HP Electronic Fixed

Material: Aluminum construction

Included Components: 2-1/4 HP Variable-Speed Router (1617EVS), Fixed base (RA1161), 1/4-inch and 1/2-inch self-releasing collets, drop-forged wrenches, chip shield, above-table height-adjustment wrench, and mounting hardware.

Item Weight: 10.2 Pounds 

BOSCH 1617EVS 2.25 HP Electronic Fixed

Key Features

  • Threaded holes in a typical 3-hole configuration for attachment to a router table.
  • Hardwood handles that are rounded increase user control.
  • User can set speed (8,000-25,000 rpm) for the optimal speed for material and application.

With its powerful motor and variable speed settings, the Bosch 1617EVS 2.25 HP Electronic Fixed-Base Router enables users to easily follow cut lines. The Bosch 1617EVS Router has the power to complete even the most challenging tasks. 2.25 (max) horsepower and linear depth adjustment are among its features. The motor provides powerful cutting performance for hardwoods and other materials.

Maintains a constant power output during the cut, letting you to focus on your work. Additionally, it aids in maintaining start-up torque for smooth starts. This aids in a variety of fine woodworking and carpentry applications. When using jigs, templates, dovetail fittings, and other similar guidance devices for precision cabinetry chores, it is simple to keep the bit on the proper contour. For the best speed for the material and application, the user can choose the speed (8,000–25,000 rpm).

This router offers a quick, accurate bit-depth adjustment as well as a resetting depth indication. a complete collection system that aids users in keeping their workspaces tidy. The fixed base’s contoured wooden handles maximize user control and are a lovely complement to any router table. The fixed base’s contoured wooden handles maximize user control and are a lovely complement to any router table.


  • Easy to Use.
  • Lightweight.
  • 2 in. sub-base opening.
  • Smart Hardwood Handles.
  • Maintain a constant speed throughout the cut.


  • Depth adjustment insufficient to use for most applications.

7. DEWALT DW616 Fixed Base Router



Product: DEWALT DW616 Fixed Base Router

Material: Metal, Die-cast aluminum base

Included Components: 1 router for flattening slabs

Item Weight: 2.83 Kilograms ‎

DEWALT DW616 Fixed Base Router

Key Features

  • The 1-3/4 HP (maximum motor HP), 11.0 amp motor offers enough power to run the machine smoothly.
  • Easy bit and depth changes with a flat top.
  • Aluminum die-cast base and motor housing for long life and light weight.

The DW616M 1-3/4 horsepower, 11 amp motor in this kit offers all the strength, dependability, and adaptability needed on commercial construction sites. For a smooth, long-lasting depth adjustment, the motor housing is nickel plated, and the switch is dust-sealed to prevent dust ingestion. You can rely on accurate depth adjustment in 1/64-inch increments thanks to a micro-fine depth adjustment ring, and a clear Lexan sub-base provides durability, visibility, and the capacity to accommodate common template guide bushings. 

Long, eight-slot collets that are self-releasing offer great bit retention for dependability, and the included sub-base concentricity gauge improves accuracy even further by helping you maintain bit concentricity. Easy depth changing, quick motor pack removal, and reliable base locking are made possible by an adjustable, tool-free motor cam lock and quick release motor latches. Enhanced durability is provided by the precision-machined die-cast aluminum base, nickel-plated die-cast aluminum motor housing, detachable cordset, dust-sealed switch, and clear Lexan sub-base. 

With best-in-class comfort, balance, and control, rubber overmolded handles and a low center of gravity design are a great combination. a piece of a router system with two replaceable motor packs and three bases (fixed, plunge, and D-Handle). Includes two wrenches, a concentricity gauge, and self-releasing 1/2-inch and 1/4-inch one-piece collets to ensure bit to sub-base centering.


  • Quick-release motor latches.
  • Micro-fine depth adjustment ring.
  • Easy to Use.
  • Lightweight.
  • Heavy-duty.
  • Rubber over molded handles.


  • Fragile Threading.

Buying Guide for Slab Flattening Router

When you go to buy something, it is important to follow a guide. Here we provide you a buying guide which will help you to buy the best router for flattening your wood slab.

Price Range

Depending on your work and budget, you should buy the one you need. For slab flattening routers, the price varies a lot. This variation may range from 100$ to 350$. So, you have to choose carefully, as some routers may easily do your work for half of the price of others.


The optimum kind of handle for your needs should be taken into account when selecting a router. For instance, it is crucial to pick a model with a cozy rubber grip if you plan to use the router for prolonged periods of time. Alternatively, a model with a trigger grip may be more appropriate if you require more control over the instrument. Before making a purchase, regardless of the type you select, check sure the router is balanced and comfortable in your hands.

Build Quality

A machine that is built well will be able to endure the demands of regular operation and last longer than one that is made cheaply. Make sure the router you purchase has a sturdy, rigid chassis to guard against damage from an unintentional collision. Additionally, search for routers that have been built with quick access to all internal parts for simple maintenance. You can have years of trouble-free use if you take the time to locate a well-made machine.

Motor Power

One of the most crucial elements is motor power, as a weak motor can make it difficult to flatten challenging objects. The router’s dimensions and weight are further essential considerations. For use on larger parts, a heavier router will be sturdier and simpler to operate. Finally, you should think about the router’s form of speed control. You may customize the router’s speed to the material you’re working with using a variable speed control, resulting in a smooth, even finish.

Your Purpose

The process of flattening a piece of wood with a wood router is known as slab flattening. You may buy router guides from a variety of internet shops or woodworking supply stores. These guides can also assist in achieving uniform results when flattening a piece of wood by ensuring that the router is handled appropriately and safely. It is crucial to pick a guide or router sled that works with the specific router type you already own when making your purchase. The majority of the time, guides are constructed of strong materials like stainless steel or aluminium, and they should come with detailed usage instructions.

Know More: 6 Best Coping Sleds for Router Table

Frequently Asked Questions about Router are Answered

1. Can I Use Router as A Planers?

Both yes and no can be used to answer this question. Although it can be done, a router is not the best tool for the job when used as a planer. A router is made to cut grooves and other shapes, whereas a planer is made to remove a thin layer of material from a workpiece. As a result, a router often leaves a surface that is rougher than a planer. 

2. Which Router Bit Should I Use to Flatten Slabs?

Many woodworkers are in need of a method for flattening a big piece of wood. Given that the majority of ordinary routers are not made for this kind of job, this can be a challenging task. The Mega Dado & Planer router bit, on the other hand, is made especially for flattening slabs. This bit is perfect for work on large surfaces because of its 2′′ cutting radius. The bit is also extremely robust because it is constructed of premium carbide. Therefore, the Mega Dado & Planer bit is the ideal choice if you’re seeking for a means to flatten a live edge slab.

Know More: 6 Best Router Bit For Flattening Slabs

3. How To Build A Slab Flattening Mill And Router Sled?

Watch this video for the answer.


There are lots of routers for slab flattening in the market. Anyone can get consumed after seeing so many variations. We try to make your job of finding the best router for flattening slabs easy. Hopefully, we will successful in that job. 

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