CMT 857.502.11 Chamfer Bit w/Bearing 1-1/4" x 7/8" A=22.5 degrees S=1/2" Clearance What is the G90 galvanized

What is the G90 galvanized coating on the HD7B and why does it matter

x 1-1/2 in

Simpson Strong-Tie gray paint finish

polished-like cuts equal to that of 220-grit sandpaper or higher

CMT 857.502.11 Chamfer Bit w/Bearing 1-1/4" x 7/8" A=22.5 degrees S=1/2" Clearance What is the G90 galvanizedThe CMT 857. 502. 11 is a Chamfer Bit with Bearing with Bearing Guide. Chamfer bits with bearings for edge chamfering at specific angles. Angle: 22. 5 degrees. SPECIFICATIONS Product Type Chamfer Bit with Bearing with Bearing Guide Angle 22. 5 degrees Shank 1 2" Blade Material Carbide Tipped (TCT) Rotation Right hand (RH) Country of Origin Made in Italy COMPATIBLE MACHINES Handheld Router Router Table CNC Routing Machine APPLICATIONS Chamfering Edges