Quick view Add to Wishlist Greenfield Threading 423006 Tap & Die Set: #4-40 to 5/16-18 Taps, #4-40 to #10-24 Dies, Coarse & Fine Tap & Die Set: #4-40 to 5/16-18 Taps, #4-40 to #10-24 Dies, Coarse & Fine Carbon Steel, Bright Finish, Round Dies, Plug, Adjustable, 52 Pc MSRP: $2,379.32 Add to Cart The item has been added Compare