Westward Threading Tap 2LXN4 Bottoming hand taps, with its short chamfer, are used to cut entire threads to the bottom of blind holes. They are perfect for threading materials like cast iron, steel, and aluminum precisely. Their straight flutes and high-carbon or high-speed steel construction make them indispensable for metalworking, maintenance, and repair jobs. Hand Tap / Right Hand Material / High Carbon Steel Finish / Uncoated Overall Length / 63.50 mm Number of Flutes / 4 Thread Type / Metric