WEN 3921 Variable Speed Scroll Saw 16 Inch
- 16 inch throat depth in the standard blade position
- Unlimited rip length with the blade turned 90 degrees
- Up to 2 inch thick wood, 9/16 inch stroke
- Variable speed to 1600 strokes per minute, low end listed as 400 or 550
- 45 degree left table bevel for angled cuts
- Pinned and pinless blades, tool-free thumb screw adapter
- Cast iron base, 25.5 lb listed weight
- Two-year warranty
Updated 20 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A capable scroll saw with a sideways blade option for long rip cuts and tool-free blade changes. The listing gives two different low speeds and two table sizes, so confirm before relying on either figure.
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ASIN: B07MC1HLNPModel: 3921Category: Scroll Saws
Overview
WEN builds this scroll saw around a two-direction blade holder, so the blade can face forward or turn sideways to cut past the back of the arm. A knob sets the stroke speed, an air pump clears dust from the cut line, and a flexible light aims at the work. The cast iron base damps vibration.
Turning the blade sideways frees long cuts from the limit of the arm, which a fixed holder cannot do. Pinned and pinless blades both fit, widening blade choice for fretwork. The low end of the speed range is listed inconsistently, and very slow work in thin stock depends on it.
Who it's for
Home crafters making ornaments, inlay and wooden puzzles on a small bench get a full kit in one box. The sideways blade mode helps with long strips. Woodworkers who resaw thick boards need a band saw instead.
Pros and cons
- Blade turns sideways for long rip cuts
- Accepts both pinned and pinless blades
- Tool-free blade changes via thumb screw
- Cast iron base resists walking
- Low speed listed as both 400 and 550
- Table size listed two different ways
- Table bevels to the left only
- Blade tension method not listed
Performance notes
Cut quality depends on blade choice and stroke speed matched to the stock: slower strokes give finer control in thin or brittle material, faster strokes clear chips in thick hardwood. The cast iron base absorbs the reciprocating motion so the saw does not creep across the bench. The air pump clears the line, which matters most on tight curves.
Specifications
| Brand | WEN |
|---|---|
| Model | 3921 |
| Dimensions & fit | |
| Blade Length | 16 inches |
| Item Weight | 25.5 pounds |
| Item Dimensions L X W X H | 26.4 × 13 × 14.7 inches |
| Capacity & performance | |
| Speed | 1600 rpm |
| Power & efficiency | |
| Wattage | 144 watts |
| Power Source | Corded Electric |
| Voltage | 120 volts |
| Construction & materials | |
| Blade Material | Iron |
| Handle Material | Alloy Steel |
| Color | Black,orange, Orange, Silver |
| Included components | |
| Unit Count | 1 |
| Included Components | Scroll Saw |
| Warranty & support | |
| Warranty Type | Limited |
| Other details | |
| Cutting Angle | 90 degrees |
| Surface Recommendation | Wood |
| Number Of Teeth | 60 |
| Number Of Items | 1 |
| Blade Shape | Rectangular |
| Other Special Features Of The Product | Brushless |
| Item Type Name | WEN 3921 16-inch Two-Direction Speed Scroll Saw |
| Specification Met | EMC, GS, ISO 14001, OSHA |
Frequently asked questions
How do I change blades on the WEN 3921 scroll saw?
A thumb screw blade adapter allows tool-free blade changes. For pinned blades, pop the pins out of the front holder and turn the blade 90 degrees to switch cutting direction.
How does the WEN 3921 deal with sawdust?
An adjustable air pump blows dust off the cut line, and a 1-1/2 inch dust port lets you connect collection.
Is the WEN 3921 a replacement for a band saw?
No. It is a scroll saw for intricate cuts in wood up to 2 inches thick. Resawing thick boards is outside what the listing describes.
What comes in the box with the WEN 3921?
The saw ships with an air pump, a flex light, a dust port, a foot lock clamp, onboard storage and three blades.