Harbor Freight Belt Sander ReviewJan 3, 2011 . This is my first HF review featuring their 4"/6" disc sander. With a coupon on the right day you can snag it for around 55 dollars. For the price, it.central machinery belt sander,Harbor Freight Belt Disc Sander Central MachineryMar 14, 2015 . Learn how to change the belt here - s.youtube/watch?v=5pZ8Z7icwxE Always be careful and use the proper safety equipment.