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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SINGERHeavy Duty 4423 High Speed Sewing Machine with Accessory Kit | Strong Motor With Enhanced Piercing Power, 97 Stitch Applications, Full Metal frame, 1-step Buttonhole & LED Light

SINGERHeavy Duty 4423 High Speed Sewing Machine with Accessory Kit | Strong Motor With Enhanced Piercing Power, 97 Stitch Applications, Full Metal frame, 1-step Buttonhole & LED Light

4.5/5

Product ID: 1543717

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Brand
SINGER
Color
Grey
Product Dimensions
6.25"D x 15"W
Global Trade Identification Number
UPC
037431883018

⚡1100 SPM max speed

🔩Heavy-duty metal frame

🧵97 stitch applications

Description

🧵 Sew Bold, Sew Fast, Sew Like a Pro!

EFFORTLESS THREADING - Automatic needle threader eliminates eye strain and speeds up setup
SPEED MEETS PRECISION - Sew up to 1,100 stitches per minute without sacrificing stitch quality
ALL IN ONE ACCESSORY KIT - Comprehensive foot set and tools stored neatly in an included accessory tray
VERSATILE STITCH LIBRARY - 97 built-in stitches including basic, stretch, decorative & one-step buttonhole
POWER THROUGH THICK FABRICS - 60% stronger motor delivers unmatched piercing power for heavy-duty projects

The SINGER Heavy Duty 4423 is a powerhouse sewing machine featuring a robust metal frame and a 60% stronger motor that powers through thick fabrics at speeds up to 1,100 stitches per minute. With 97 stitch options and an automatic needle threader, it combines versatility and ease-of-use for professional-quality results. The included accessory kit and LED light make it the ultimate tool for creative and heavy-duty sewing projects.

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TrustScore 4.5 | 7,300+ reviews

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Material	Plastic
Color	Grey
Is Electric	Yes
Power Source	Corded Electric
Item Weight	17.1 Pounds
Item Dimensions D x W x H	6.25"D x 15"W x 12"H

SINGERHeavy Duty 4423 High Speed Sewing Machine with Accessory Kit | Strong Motor With Enhanced Piercing Power, 97 Stitch Applications, Full Metal frame, 1-step Buttonhole & LED Light

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