Alpha 5/16 in Flame Carbide Burr SH-2DC Wheels & Castors Collection they have no rings on

they have no rings on the shaft near the driving square

Super tough all metal die cast body will not break

the leading cause of battery failure

Median side (mm) 70

Excellent resistance to automotive motor oils

Alpha 5/16 in Flame Carbide Burr SH-2DC Wheels & Castors Collection they have no rings on5 16 inch Flame Carbide Burr SH 2DC CNC precision ground flutes for repeatability, chatter free operation and longer life Sectional fluting enables burrs to cut on the radius as well as the body of the tool 100% inspection of high temperature brazing to ensure structural integrity Shanks are made from high quality alloy steel hardened to HRC 45 49 to ensure maximum strength and durability Flute Length (in) 3 4 OAL (in) 2 3 4 Diameter (in) 5 16 Head