Grade 8 Rod

Rod diameter threads per inch.
Grade 8 rod. A zinc plating provides corrosion resistance in wet environments. Reducer coupler nuts connect threaded fasteners with different diameters like a metric bolt and a standard rod. Grade 8 coupling nuts. Our grade 8 threaded rods vary in length from 10 to 52 depending on the diameter of the rod.
Grade 8 steel threaded rods are about 25 stronger than medium strength steel rods. Made from grade 8 steel they re about 25 stronger than medium strength steel coupling nuts. Zinc yellow chromate plated steel threaded rods resist corrosion in wet environments. Grade 8 is typically provided plain finish only due to the potential risk of hydrogen embrittlement when plated or galvanized.
For high moisture situations choose a coupler nut with a zinc. For technical drawings and 3 d models click on a part number. Also known as extension nuts use these to connect and extend threaded rods. About half the strength of medium strength steel threaded rods use these for light duty hanging mounting and fastening.
Medium strength steel threaded rods include class 8. Fully threaded stud system of measurement inch threaded rod material steel threaded rod material grade grade 8 threaded rod finish plain thread size 1 4 in 20 length 1 1 4 in thread direction right hand threaded rod thread type unc meets exceeds asme b18 31 3 rockwell hardness c39 max thread class 2a package quantity 25. For technical drawings and 3 d models click on a part number. Low strength steel threaded rods.
The threads per inch tpi also varies on the diameter of the rod as follows. Black oxide steel threaded rods have a dark surface color and are corrosion resistant in dry environments. Common finishes include plain black zinc plated and hot dip galvanized for grades 2 and 5. Coupler nuts also allow you to connect two threaded rods.
Sae threaded rods do not require permanent grade markings on the ends of the rods like many astm specifications do. 8 rods and grade b7 and grade b16 rods for high pressure and high temperature applications. Use a rod coupling nut to extend space or level a threaded rod or stud. 509 966 8030 toll free.