Hypertherm Hhdcap:5/16-18 X 3/4 Hex S/Z - 075132 by Hypertherm Save -7% $0.93 SKU HYP075132 Hypertherm - SKU HYP075132 Add accessories to hypertherm hhdcap:5/16-18 x 3/4 hex s/z - 075132. Close Add Your items total will automatically update after adding options or accessories. You can edit your selections in the cart. Select Options & Accessories Quantity Add to cart