M16 - Outer:30.0mm Inner:16.9mm Thickness:3.0mm. M8 - Outer:17mm Inner:8.5mm Thickness:1.5mm. M12 - Outer:24mm Inner:13.0mm Thickness:3mm. M10 - Outer:21mm Inner:10.5mm Thickness:2.0mm. M4 - Outer:9mm Inner:4.4mm Thickness:1mm.
FORM A FLAT WASHERS TO FIT METRIC BOLTS AND SCREWS A2 STAINLESS STEEL M1.6 - M42
NYLON WASHERS FORM A FLAT PLASTIC WASHER M2.5 M3 M4 M5 M6 M8 M10 M12 M16 M20
600 OF 'MIXED IN THE PACK' A2 STAINLESS STEEL M3 M4 M5 M6 M8 FORM A FLAT WASHER
M2 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 STAINLESS STEEL A2 FORM A FLAT WASHERS
M3 / 3mm STAINLESS STEEL A2 FORM A FLAT WASHERS TO FIT SCREWS BOLTS DIN 125
STAINLESS STEEL WASHERS FORM A FLAT THICK TYPE FOR METRIC SCREWS SIZE M1.6 - M42