Compression Springs
As you squeeze a compression spring, it pushes back to return to its original length. Spring rate is the amount of force required for every inch of compression or, for metric springs, millimeter of compression. The higher the spring rate, the harder it is to compress the spring.
Springs with closed and ground ends sit flat, so they won’t buckle.
For technical drawings and 3-D models, click on a part number.
Wire | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | ID | Dia. | Spring Rate, lbs./in.  | Material | End Type | Pkg. Qty. | Pkg. | |
2.625" Lg. | ||||||||
| 0.438" | 0.342" | 0.048" | 6.6 | Music-Wire Steel | Closed and Ground | 12 | 0000000 | 000000 |
Extension Springs with Hook Ends
As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Spring rate is the amount of force required for every inch or mm of extension.
Zinc-plated springs have mild corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Corrosion-Resistant Extension Springs with Hook Ends
Made of stainless steel, these springs are more corrosion resistant than steel springs. They're also easier to extend than steel springs. As you stretch an extension spring, it gets harder to pull. Minimum load is the amount of force required to start to extend the spring. Maximum load is the amount of force required to fully extend the spring. Spring rate is the amount of force required for every inch or millimeter of extension.
302 stainless steel springs have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Load, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wire Dia. | Extended Lg. @ Max. Load | Min. | Max. | Spring Rate, lbs./in. | Material | Pkg. Qty. | Pkg. | |
2.625" Lg. | |||||||||
| 0.75" | 0.105" | 3.1" | 13.12 | 32.16 | 40.45 | 302 Stainless Steel | 1 | 00000000 | 00000 |
Hydraulic Storm Door Closers
A hydraulic mechanism makes these the smoothest and quietest closers we offer for storm doors. They are reversible for right or left door-swing directions.
Aluminum | |||||||
|---|---|---|---|---|---|---|---|
| For Door Swing Direction | Opening/Closing Action | Door Mount Opening Direction | Capacity, lbs. | Range of Motion | Mounting Hardware Included | Each | |
| Reversible | Free Moving | Opens In, Opens Out | 35 | 180° | Yes | 0000000 | 000000 |