M12 DIN 127 Plain Finish Split Lock Washer / HOLE DIAMETER: 12.2 MILLIMETERS MINIMUM AND 12.7 MILLIMETERS MAXIMUM OUTSIDE DIAMETER: 21.1 MILLIMETERS MAXIMUM MATERIAL THICKNESS: 2.3 MILLIMETERS MINIMUM AND 2.6 MILLIMETERS MAXIMUM SPECIAL FEATURES: M12 DIN 127 PLAIN FINISH SPLIT LOCK WASHER MATERIAL: STEEL OVERALL STYLE DESIGNATOR: 108 SPLIT HELICAL-RIGHT HAND