M3, 3mm Metric Stainless Steel Star Lock Washer with Internal Ridges The internal serrations teeth into the heads of the screw / fasteners and mating...
M4, 4mm Metric Stainless Steel Star Lock Washer with Internal Ridges The internal serrations teeth into the heads of the screw / fasteners and mating...
M5, 5mm Metric Stainless Steel Star Lock Washer with Internal Ridges The internal serrations teeth into the heads of the screw / fasteners and mating...
M6, 6mm Metric Stainless Steel Star Lock Washer with Internal Ridges The internal serrations teeth into the heads of the screw / fasteners and mating...
M8, 8mm Metric Stainless Steel Star Lock Washer with Internal Ridges The internal serrations teeth into the heads of the screw / fasteners and mating...