Does this fit the Wen 3421 lathe?

If the 3421 is MT2 taper it will work.

What is the diameter of the tapered shaft?

The shaft is 5/8 inch. I needed the 1/2 inch for the small wen lathe so I returned it. I had to find another brand, the wen 1/2 in wasn't available.

Will this fit a wen 3421 mini lathe?

NO. I have the 3421, so I needed the mt1 drill chuck 1/2 inch taper.

Is the end threaded for a draw bar?

The arbor has recessed threading at the small end of the taper. It is long enough to be self-ejecting in the tail stock on my ENCO 9x20 lathe. (same design is sold by Grizzly and Jet). I understand that if you use the knock-out rod included with WEN compact lathes to remove it, the rod gets it's end fouled in the threads, sometimes jamming in the arbor and always damaging the chrome plating on the tip of the knock-out rod.

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WEN LA164K 5/8-Inch Keyed Drill Chuck with MT2 Arbor Taper.

Product ID: 228319523

Details

Brand
WEN
Compatible Devices
Drilling
Item Diameter
0.63 Inches
Item Weight
1.11 Kilograms
Material
Chromium Steel

🔑Keyed 3-jaw chuck for secure grip

🔩5/8-inch max bit capacity

⚙️MT2 arbor taper compatibility

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Description

🔧 Lock in precision, unlock your potential.

TAILORED FOR WEN - Optimized for WEN’s top lathe and drill press models, ensuring perfect fit and peak performance every time.
UNIVERSAL MT 2 FIT - Seamlessly compatible with any MT2 drill press, lathe, or mill—upgrade your setup without hassle.
HEAVY DUTY DURABILITY - Crafted from chromium vanadium steel for long-lasting strength and reliable performance under pressure.
EFFORTLESS INSTALLATION - Install in seconds with a simple rubber mallet tap—get back to work faster and smarter.
PRECISION GRIP ZERO SLIP - Keyed 3-jaw chuck ensures your drill bits stay perfectly centered and locked in place—no slippage, no downtime.

The WEN LA164K 5/8-Inch Keyed Drill Chuck with MT2 Arbor Taper is a robust, precision-engineered tool accessory designed to securely hold drill bits and mandrel shafts up to 0.63 inches. Made from durable chromium vanadium steel, it features a keyed 3-jaw chuck for a tight, slip-free grip and installs easily on any MT2-compatible drill press, lathe, or mill. Perfectly suited for multiple WEN models, this heavy-duty chuck combines reliability with effortless setup, making it a must-have upgrade for professionals seeking consistent, high-quality drilling performance.

Specifications

ASIN	B08FBKQPJX
Best Sellers Rank	#36,130 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #20 in Power Drill Chucks
Brand	WEN
Brand Name	WEN
Capacity	0.63 Inches
Compatible Devices	Drilling Machine
Customer Reviews	4.7 out of 5 stars 1,292 Reviews
Global Trade Identification Number	00044459993391
Handle Type	keyed
Included Components	5/8-Inch Keyed Drill Chuck with MT2 Arbor Taper
Item Diameter	0.63 Inches
Item Type Name	5/8-Inch Keyed Drill Chuck with MT2 Arbor Taper
Item Weight	1.11 Kilograms
Lock Type	Keyed Integrated
Manufacturer	WEN
Manufacturer Part Number	LA164K
Material	Chromium Vanadium Steel
Material Type	Chromium Vanadium Steel
Model Number	LA164K
Thread Size	M21
UPC	044459993391

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41317CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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