General description This versatile 8pcs Tap Die Socket Adapter set is designed for use with machine taps and is compatible with wind batches, electric batches, and electric drills. It ensures a secure connection between the tap die and the socket adapter, preventing any slippage during use. The set features a built-in clip within the sleeve and a square head design that securely holds the tap die, enhancing safety and efficiency. Technical specifications High concentric rate with a tapping chuck range of 1.5-16mm 1/4 inch hex shank Material: Carbon Steel Color: Black Measurement allowed error: +/- 1-3cm Package Contents 8 * Tap Die Socket Adapter (-M16)