Metric JIS B 1190 Hex Serrated Flange

Steel Class 8 Zinc Coarse & Fine Thread

11901S

Steel Class 10 Zinc Coarse & Fine Thread

11901S10

Steel Class 8 & 10 Yellow Zinc Coarse & Fine Thread

11902S

Steel Class 8 & 10 Zinc Black Coarse & Fine Thread

11903S

Steel Class 8 & 10 Black Oxide Coarse & Fine Thread

11900S