Product Catalog
Bendable Bolts
JENNMAR’s Bendable Bolts are available where bending is necessary to permit installation of bars that are longer than the mine opening height. These bendable bolts can be furnished with or without an altered or notched section at a designated location at which the bar will bend.
• #6 rebar, grades 40 & 60
• #7 rebar, grade 60
Fully grouted non-tensioned bendable bolts shall have reached a load of 23,000 lbf before breaking. Tensioned bendable bolts shall exceed the minimum yield loads in accordance with ASTM Specification F432, or both, for the grade and diameter of bolt used, plus 6000 lbf.
Features:
Notched Bendable Bolts
Notched Bendable Bolts are available as single or double notched with notch location and bolt length designated by the customer. Bolts are available in the following sizes/grades:• #6 rebar, grades 40 & 60
• #7 rebar, grade 60
Fully grouted non-tensioned bendable bolts shall have reached a load of 23,000 lbf before breaking. Tensioned bendable bolts shall exceed the minimum yield loads in accordance with ASTM Specification F432, or both, for the grade and diameter of bolt used, plus 6000 lbf.
Features:
- Bar systems are offered with two different notch designs, Mill or Heat
- Single and double notching is available to suit the mining height
- Notched systems help reduce strain to the operator during the installation procedure
- Bar coatings are available for locations that experience steel corrosion
- Utilized with most J-LOK resin gel times