Image 1 of 1 Assorted Box Steel Nuts – UNC - (1/4 - 3/8) 350 Pieces £12.25 Quantity: Add To Cart Added! Zinc plated steel. ANSI B18.2.2.3 x UNC: 1/4″, 5/16″, 3/8″. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Assorted Box Stainless Steel Nuts – Metric - (M5 - M10) 250 Pieces £21.85 Assorted Box Steel Nuts – Metric Fine (M5 - M12) 350 Pieces £30.95 Assorted Box Spring Washers – Imperial - (3/16 - 1/2) 800 Pieces £13.25 Assorted Box Steel Nuts – Metric (M4 - M16) 275 Pieces £10.65 Assorted Box Machine Screws with Nuts & Washers, Pan Head, Slotted – Metric (M3 - M5) 840 Pieces £18.95