can this machine sew thru heavy duty canvas or leather?

This machine is not designed for leather or heavy duty canvas. It could possibility sew through 2 layers of canvas with the correct needle but that is about as heavy as it could take. I have no problem sewing up to 3 layers of denim or 2 layers of upholstery vinyl, but heavier items could damage the machine. It is a wonderful little machine that I use 6-8 hours daily but really not designed for industrial sewing of heavy utility fabrics.

Can I use my metal bobbins in my machine or do I need to use the plastic ones?

All top load machines use plastic bobbins except for older early singers with metal bobbin case,there is a magnetic ring attached to the hook center that holds the plastic bobbin case from rattling and to slow its movement, if you use metal bobbins they become held by the magnetic transfer through the bobbin case floor (metal) and limit or restrict bobbin rotation,if you remove the magnet you can use the metal bobbins,however it will be noisey and excelarate wear on the bobbin case

does this machine have foot pedal?

It does have a foot pedal which is on the short side but I have it anchored on a wood flooring sample with double sided tape. That solves the problem of it not quite reaching the floor, and because the pedal is light as a feather it was always turned around, upside down or on it’s side when I went to step on it but not now.

can a beginner use this machine.. i am thinking about the speed

Yes - This is one of the easiest machines to use. You will get used to the foot pedal very fast to control the speed. I have given several of these machines away as presents. I also keep two of these machines at all times.They get used of leather work, quilting and wearable art such as jackets and shirts. A great machine !!!

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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SINGER® 4423 (Grey) High Speed Heavy Duty Sewing Machine with Accessory Kit | 23 stitches deliver 97 applications, 50% more power for denim and canvas, 1100 stitches/min, metal frame, 1-step buttonhole

Product ID: 1543717

Details

Brand
SINGER
Color
Grey
Global Trade Identification Number
Input Voltage
120 Volts
Is Electric
Yes
Item Weight
17.1 Pounds

⚡1100 stitches/min high-speed power

🧵23 built-in stitches, 97 applications

🛠️Heavy-duty metal frame for durability

3207 Lei

Duties & taxes included

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Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧵 Power, Precision, and Professionalism—Sew Like You Mean It!

EFFORTLESS PRECISION - Automatic needle threader and 1-step buttonhole feature save you time and frustration—focus on your masterpiece, not the setup.
UNMATCHED SPEED POWER - Sew through thick fabrics effortlessly with 50% more motor power and 1100 stitches per minute—because your projects deserve to be done fast and flawless.
ALL INCLUSIVE ACCESSORY KIT - From zipper foot to quilting guide, every essential tool is included and neatly stored—start sewing like a pro right out of the box.
BUILT TO LAST BUILT FOR YOU - Heavy-duty metal frame and stainless steel bedplate ensure stability and skip-free sewing, making this machine your lifelong partner in creativity.
VERSATILITY AT YOUR FINGERTIPS - 23 built-in stitches delivering 97 stitch applications let you master everything from basic hems to intricate decorative designs—be the creative pro everyone envies.

The SINGER® Heavy Duty 4423 is a high-speed, durable sewing machine featuring a powerful motor with 1100 stitches per minute, a robust metal frame, and 23 built-in stitches offering 97 stitch applications. Designed for both heavy and lightweight fabrics, it includes an automatic needle threader, 1-step buttonhole, and a comprehensive accessory kit, making it the ultimate tool for professional-quality sewing projects.

Specifications

ASIN	B003VWXZQ0
Best Sellers Rank	#2,404 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #8 in Sewing Machines
Brand Name	SINGER
Color	Grey
Customer Reviews	4.5 4.5 out of 5 stars (21,162)
Global Trade Identification Number	00037431883018
Included Components	Included Accessories: All-Purpose Foot, Zipper Foot, Buttonhole Foot, Button Sewing Foot, Seam Ripper / Lint Brush, Quilting Guide, Needles, Bobbins, Screwdriver, Auxiliary Spool Pin, Spool Pin Felt, Soft-Sided Dust Cover.
Input Voltage	120 Volts
Is Electric	Yes
Item Dimensions D x W x H	6.25"D x 15"W x 12"H
Item Type Name	Sewing Machine
Item Weight	17.1 Pounds
Manufacturer	SINGER
Material	Plastic
Model Number	4423
Part Number	4423.CL
Power Source	Corded Electric
UPC	037431883018
Unit Count	1.0 Count
Warranty Description	25 year limited parts; 90 days full coverage.

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3207 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered 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 Romania.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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