Grade 8 Rod

The threads per inch tpi also varies on the diameter of the rod as follows.

Grade 8 rod.

Low strength steel threaded rods. About half the strength of medium strength steel threaded rods use these for light duty hanging mounting and fastening. Use a rod coupling nut to extend space or level a threaded rod or stud. Both specifications are heat treated and tempered at 800 f which creates a very strong part but increases brittleness more than comparative specifications.

Black oxide steel threaded rods have a dark surface color and are corrosion resistant in dry environments. For technical drawings and 3 d models click on a part number. Grade 8 steel threaded rods are about 25 stronger than medium strength steel rods. Grade 8 coupling nuts.

509 966 8030 toll free. A zinc plating provides corrosion resistance in wet environments. Grade 8 is typically provided plain finish only due to the potential risk of hydrogen embrittlement when plated or galvanized. 2020 weaver distributing 10705 west orchard yakima washington 98908 phone.

Grade 8 product overview astm a354 bd is used for structural bolts while sae j429 grade 8 is an automotive specification. For high moisture situations choose a coupler nut with a zinc. Zinc yellow chromate plated steel threaded rods resist corrosion in wet environments. 8 rods and grade b7 and grade b16 rods for high pressure and high temperature applications.

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. 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. Reducer coupler nuts connect threaded fasteners with different diameters like a metric bolt and a standard rod.

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. Medium strength steel threaded rods include class 8. Made from grade 8 steel they re about 25 stronger than medium strength steel coupling nuts.