We are a professional threaded rod producer providing threaded rods in various specifications such as DIN, US, BSW and BS. Our products are exported to Southeastern Asia, Mid-east, Europe and America, etc. The quality of the products is excellent. And we are able to customize the products according to the various requirements on specification and materials. Name of the product: Threaded rod Type of gear: Standards gear, ladder-shaped gear, round gear rack. Class: Grade 4.8, grade 5.8, grade 8.8, grade 9.8, grade 10.9, grade 12.9, B7, A2(304), A4(316) Specification: DIN series: M4-m52 B. S series: 3/16_2 U. S series: 1/4_3/4 Surface treatment: Plain, galvanized, heat galvanizing, blacked.