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.