A pre-drilled bolt for wiring that comes with the Speed Shop Itou caliper support..
After processing the wiring holes, black is treated with black chromate and silver is treated with geomettes to prevent rust..
The material is chromoly..
M10 cap bolts have a pitch of 1.25mm with 18mm outer diameter washers.
M10 flanged cap bolts are 1.5mm in pitch.. Flange outer diameter 21mm, mainly used for Brembo 4POT
M8 flanged cap bolts have a pitch of 1.25. Flange outline 17mm, mainly for use with Brembo crabs.