Product Introduce: Thread 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: Bear outlook,

Galvanized,

Heat galvanized,

Blackened