Product Catalogue PDF (2.4MB) Die and Die Nut Boxes PDF (0.3MB) Threading Tool Kits PDF (1.57MB) Fastener Taps PDF (2.01MB)	Specials Categories Hex Die Nuts Unified National Extra Fine (UNEF) Qty. Item No. Item Description   1 N515EK 1/2-24 UNEF CARBON STEEL HEX DIE NUT