Image 1 of 1 Assorted Box Lock Washers Serrated – Internal - (M5 - M13) 800 Pieces £16.10 Quantity: Add To Cart Added! Zinc plated steel. DIN 6798.6 x Sizes: M5, M6, M8, M10, M11, M13. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Assorted Box Machine Screws with Nuts, Round Head, Slotted – 2BA, 4BA, 6BA - 410 Pieces £34.95 'Max Box' Assorted Steel Nuts & Nylon Lock Nuts - Metric - (M5 - M14) 400 Pieces £49.25 Assorted Box Stainless Steel Spring Washers – Metric - (M5 - M10) 650 Pieces £16.65 Assorted Box Repair Washers – Imperial - (3/16 - 1 1/2) 220 Pieces £11.25 Assorted Box Nylon Lock Nuts – UNF - (1/4 - 1/2) 290 Pieces £14.95