We're Upgrading Our Website! Residential torsion springs and related parts are now available through our new online store. To browse our selection or place an order, please visit shop.ddmgaragedoors.com.Thank you for your patience as we continue improving your shopping experience!
Friday, September 21st, 2018 at 5:22 pm by Dan Musick
When a cable breaks, the first symptom is usually a crooked garage door. This could happen if one of the cables came off one of the drums. However, the usual cause is a rusty or frayed cable.
Friday, September 14th, 2018 at 2:32 pm by Dan Musick
From time to time, someone with an older one-piece garage door will contact us. Usually, they want to know if we can modify a spring that has one end tapered, such as the one shown below.
Friday, September 7th, 2018 at 5:06 pm by Dan Musick
Since there have been about twenty dock leveler manufacturers over the decades, and since most of them use unique parts, it is best to begin by identifying the manufacturer of the leveler.
Friday, August 31st, 2018 at 1:53 pm by Dan Musick
There are a number of applications where the technician or homeowner needs to change the inside diameter of their springs. Our Torsion Spring Inside Diameter Converter page should help you decide if changing the inside diameter would benefit you.
One of the many reasons for changing the inside diameter is that older springs often have obsolete hardware or cones.… Read the rest of this entry »
Friday, August 24th, 2018 at 2:07 pm by Dan Musick
When the end bearing plate of a garage door is improperly secured, it is common to see the end of a shaft wear. Left unattended, the end bearing plate can remain pitched, and the bearing can cut off the end of the shaft.… Read the rest of this entry »
Posted in Technical Support | Comments Off on When the End of a Shaft Breaks
Friday, August 17th, 2018 at 5:46 pm by Dan Musick
The purpose of a dock leveler snubber assembly is to raise the lip and suspend it long enough so that the lip can be lowered onto the back of a trailer. In this description, you’ll be viewing a Serco dock leveler.… Read the rest of this entry »
Clients frequently ask us, “Why is one of my garage door springs slinky and the other tight?” Or, “Why is one spring stiff and the other loose?” The answer lies in the pitch of the torsion spring wire.
When a spring coils, the wire normally winds at a 90-degree angle from the spool or rod it is wound around.… Read the rest of this entry »
Huge inventory of torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship. You'll also find TorqueMaster Springs, Extension Springs, Self-Storage door springs, steel rolling door springs and springs for one piece single panel doors.
Shelves packed with every part you need to fix your doors.
Please note. Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.