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RIDGID R8646B — Review & Specs | Pricepect | Pricepect

Home Reciprocating SawsRIDGID R8646B

RIDGID R8646B — image 1

Ridgid

RIDGID R8646B

Expert Review Analysis

The Ridgid R8646B is an 18V cordless reciprocating saw designed for framing, demolition, and finish work, featuring a brushed motor and ergonomic design. It emphasizes user convenience through a tool-free blade change mechanism and compatibility with the broader Ridgid 18V battery ecosystem. While reliable for general wood cutting, it lacks the advanced efficiency and speed of newer brushless models.

✓ Best for: DIYers, homeowners, and light professionals with existing Ridgid 18V batteries who need a budget-friendly cordless reciprocating saw for framing, demolition, wood cutting, and finish work in cord-free environments.✗ Not ideal for: Heavy daily professional use demanding brushless efficiency, users requiring variable speed control or orbital action, and those seeking the lightest possible sub-compact tool for tight spaces.

Pros

✓Powerful 3000 SPM motor provides fast cutting performance for framing and demolition tasks
✓Tool-free quick-connect blade release mechanism eliminates the need for Allen wrenches
✓

Best Seller Rank History

Now#51Best#34Worst#120 -17

Lower = better sales rank

Rating Trend

Rating4.3/ 5Reviews117+96 reviews

Specifications

Battery

Battery CompatibilityAll Ridgid 18V batteries

Battery IncludedNo (sold separately)

Charger IncludedNo (sold separately)

Design

Height8.0 inches mm

Width4.0 inches mm

Length16.0 inches mm

Weight5.93 pounds g

Features

Blade Change MechanismTool-free quick-connect

Orbital ActionNo

Speed ControlFixed speed (no variable speed dial mentioned)

Intended UseFraming, demolition, finish work, wood cutting

General

BrandRidgid

ManufacturerRIDGID

ModelR8646B

ColorMulticolored

Product TypeCordless Reciprocating Saw (Tool Only)

Performance

Stroke Length1-1/8 inches mm

Stroke Rate3000 SPM spm

Power

Voltage18V V

Motor TypeBrushed

Mechanism

Blade Release TypeTool-free quick-connect lever

Warranty

Service AgreementLifetime Service Agreement upon 90-day registration

Dimensions & Weight

Height8.0 Inches

Width4.0 Inches

Depth16.0 Inches

Weight5.93 pounds

Research Sources

protoolreviews.com

directtoolsoutlet.com

powertools.ridgid.com

powertools.ridgid.com

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User Reviews

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4.3

(70 reviews)

$97.99

R8646BMulticolored

Reciprocating Saws Saber Saws

Ergonomic design enhances comfort and control during extended use or overhead tasks

✓Compatible with all Ridgid 18V batteries, allowing integration into existing tool ecosystems

✓Lifetime Service Agreement available upon registration within 90 days of purchase

Cons

✗Brushed motor is less efficient and durable compared to modern brushless alternatives
✗Lacks variable speed control and orbital action features found in upgraded models
✗No specific bare weight or dimensions provided, making portability assessment difficult
✗Considered dated compared to the newer black-colored R8647 brushless successor
✗Not suitable for heavy daily professional use requiring maximum power efficiency

From Expert Reviews

Praised by Experts

✓Solid 3000 SPM stroke rate and 1-1/8 inch stroke length are effective for wood cutting
✓Ergonomic enhancements offer superior control compared to prior model generations
✓Quick blade release system is highlighted as a standout convenience feature for professionals

Criticized by Experts

✗Brushed motor technology is inferior to brushless options in terms of efficiency and longevity
✗Absence of variable speed dial and orbital action limits versatility compared to competitors
✗Missing detailed weight and dimension specifications hinders precise tool comparison

From User Reviews

Users Love

✓Tool-free blade change is praised for saving time and eliminating the need for extra tools
✓Cordless design allows for easy portability and work in areas without power outlets
✓Reliable performance when paired with standard 2Ah or 4Ah Ridgid battery packs
✓Lifetime warranty compatibility provides long-term peace of mind for the investment

Users Complain About

✗Model feels outdated and less premium compared to the newer R8647 brushless version
✗Lack of detailed weight information makes it unclear if it is heavier than sub-compact models
✗Limited specific feedback suggests it may not meet the demands of heavy-duty daily pro use

Expert Opinion

Professional coverage for the R8646B is limited, with most attention directed toward its brushless successor, the R8647. Reviewers acknowledge its 3000 SPM motor and ergonomic design as solid choices for wood cutting and demolition. The tool-free blade release is frequently cited as a key convenience feature, making it a reliable option for users already invested in the Ridgid 18V battery platform, though it lacks the advanced metrics of newer models.

What Users Say

Everyday users appreciate the convenience of the tool-free blade change system, noting it is significantly easier than using Allen wrenches. The cordless nature of the tool is valued for portability and ease of use in various job site environments. Users report reliable performance with standard 2Ah and 4Ah batteries. However, some users perceive the model as dated, especially when compared to the newer, black-colored R8647 brushless alternative.

Common Complaints

Users note that the model feels dated compared to newer brushless versions and lack of detailed weight/dimension specs makes comparison difficult. There are no major recurring complaints regarding performance, but the absence of advanced features like variable speed is noted as a limitation.

What People Are Saying

“sure beats spinning an Allen wrench key”
4/5 ★User feedbackNov 2025

“saw that you can carry and work with battery powered with no cords”
4/5 ★User feedbackNov 2025

How It Compares

vs. Ridgid R8647 (Brushless)

Advantages

✓R8646B is likely lower cost and sufficient for basic tasks
✓R8646B has established compatibility with older battery packs

Disadvantages

✗R8646B has a slower stroke rate (3000 vs 3200 SPM)
✗R8646B lacks orbital action and variable speed control
✗R8646B uses less efficient brushed motor technology
✗R8646B is considered a dated model compared to the R8647

Choose the R8646B for budget-conscious users with existing batteries needing basic cutting; choose the R8647 for professionals requiring speed, efficiency, and advanced features.

vs. Ridgid Octane R8643

Advantages

✓R8646B may offer a more traditional ergonomic feel compared to Octane design

Disadvantages

✗R8646B has a slower stroke rate (3000 vs 3100 SPM)
✗R8646B lacks orbital action found in the Octane model
✗R8646B has a shorter test time performance (1:33.05 vs 1:23.70 min)

Choose the R8646B for standard cordless reciprocating saw needs; choose the Octane R8643 for faster cutting performance and orbital action capabilities.