Union Butterfield Hand Tap Set, 3-Piece, High Speed Steel, 4 Flutes, 5/16"-24 Thread (Taper / Plug / Bottoming) SKU UB-1011038 $25.72 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details Taper Style: Starts the thread square with the workpiece.Plug Style: Generally used in thru holes. Bottom Style: Generate the thread to the bottom of ... Details Back DetailsTaper Style: Starts the thread square with the workpiece.Plug Style: Generally used in thru holes. Bottom Style: Generate the thread to the bottom of the hole. Ratings & ReviewsNo reviews availableBe the first to Write a Review