M8-1.25 DIN 985 A2 Stainless Steel Nylon Insert Lock Nut / THREAD DIRECTION: RIGHT-HAND LOCKING FEATURE: NYLON INSERT NUT STYLE: A12 HEXAGON NUT HEIGHT: 7.68 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 3810-01-607-9674 WIDTH ACROSS FLATS: 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM THREAD SERIES: M NOMINAL THREAD SIZE: 8.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.25 BEARING SURFACE TYPE: FLAT MATERIAL: PLASTIC NYLON LOCKING INSERT MATERIAL: STEEL CORROSION RESISTING NUT