Open Coil insert for construction
The Open Coil insert for construction is designed to enlarge and increase the shear cone surface area, which in effect increases the load capacity of the insert without increasing the insert’s corresponding length. This is a very versatile insert used for many functions, lifting precast boxes, manholes or other utility shapes.
The Open Coil insert for construction is available with an attached mounting washer welded to the front end of the insert. Mounting washers have 2 nail holes for nailing the insert to a wood form or bolting to a steel form. Standard sizes shown below. Custom sizes available upon request and is available in plain, hot dip galvanize, or stainless steel finish.
The Open Coil insert for construction are manufactured with a standard coil connected to an expanded coil by resistance-weld struts.They are available in 3/4" through 1-1/2" bolt diameters with two to six struts, depending on the model. Refer to the table for sizes, dimensions and safe working loads. The Open Coil Insert is also available with a mounting washer for applications requiring the insert to be nailed to the form.
Coil insert assembled with the coil rod used in the concrete. All material are carban steel and we check the thread with each other to ensure each one is well to assemble
We have ourself develop team to open new productions and if you feel interested, contact me